[fix] system prompt fit error

* release/v0.3.2: (245 commits)
  fix(conversation_schema): refine citations field type to Dict[str, Any]
  fix(tool_controller): re-raise HTTPException to preserve original status codes
  fix(workflow): add reasoning content, suggested questions, citations and audio status support
  feat(workflow): augment logging queries and ameliorate error handling
  fix(api_key): bypass publication check for SERVICE type API keys
  fix(multimodal_service): add '文档内容：' prefix to document text and simplify image placeholder text
  fix(api): convert config_id to string in write_router
  fix(api): convert end_user_id to string in write_router
  fix(multimodal_service): refactor image processing to use intermediate list before extending result
  fix(web): node status ui
  fix(api): correct import paths in memory_read and celery task command
  fix(api): correct import paths in memory_read and celery task command
  refactor(tool): flatten request body parameters for model exposure
  fix(api): correct import paths in memory_read and celery task command
  refactor(workflow): streamline node execution handling and log service logic
  feat(web): http request add process
  feat(web): workflow app logs
  fix(app_chat_service,draft_run_service): move system_prompt augmentation before LangChainAgent instantiation
  fix(app_chat_service,draft_run_service): move system_prompt augmentation before LangChainAgent instantiation
  refactor(http_request): simplify request handling and remove unused fields
  ...

# Conflicts:
#	api/app/controllers/file_controller.py
#	api/app/tasks.py

.github/workflows/sync-to-gitee.yml

@@ -3,9 +3,12 @@ name: Sync to Gitee
 on:
   push:
     branches:
-      - '**' # All branchs
+      - main     # Production
+      - develop  # Integration
+      - 'release/*' # Release preparation
+      - 'hotfix/*'  # Urgent fixes
     tags:
-      - '**'      # All version tags (v1.0.0, etc.)
+      - '*'      # All version tags (v1.0.0, etc.)
 
 jobs:
   sync:

api/app/controllers/chunk_controller.py

@@ -1,8 +1,10 @@
 import os
+import csv
+import io
 from typing import Any, Optional
 import uuid
 
-from fastapi import APIRouter, Depends, HTTPException, status, Query
+from fastapi import APIRouter, Depends, HTTPException, status, Query, UploadFile, File
 from fastapi.encoders import jsonable_encoder
 from sqlalchemy.orm import Session
 
@@ -23,6 +25,7 @@ from app.models.user_model import User
 from app.schemas import chunk_schema
 from app.schemas.response_schema import ApiResponse
 from app.services import knowledge_service, document_service, file_service, knowledgeshare_service
+from app.services.file_storage_service import FileStorageService, get_file_storage_service, generate_kb_file_key
 from app.services.model_service import ModelApiKeyService
 
 # Obtain a dedicated API logger
@@ -82,19 +85,32 @@ async def get_preview_chunks(
             detail="The file does not exist or you do not have permission to access it"
         )
 
-    # 5. Construct file path：/files/{kb_id}/{parent_id}/{file.id}{file.file_ext}
-    file_path = os.path.join(
-        settings.FILE_PATH,
-        str(db_file.kb_id),
-        str(db_file.parent_id),
-        f"{db_file.id}{db_file.file_ext}"
-    )
-
-    # 6. Check if the file exists
-    if not os.path.exists(file_path):
+    # 5. Get file content from storage backend
+    if not db_file.file_key:
         raise HTTPException(
             status_code=status.HTTP_404_NOT_FOUND,
-            detail="File not found (possibly deleted)"
+            detail="File has no storage key (legacy data not migrated)"
+        )
+
+    from app.services.file_storage_service import FileStorageService
+    import asyncio
+    storage_service = FileStorageService()
+
+    async def _download():
+        return await storage_service.download_file(db_file.file_key)
+
+    try:
+        file_binary = asyncio.run(_download())
+    except RuntimeError:
+        loop = asyncio.new_event_loop()
+        try:
+            file_binary = loop.run_until_complete(_download())
+        finally:
+            loop.close()
+    except Exception as e:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail=f"File not found in storage: {e}"
         )
 
     # 7. Document parsing & segmentation
@@ -104,11 +120,12 @@ async def get_preview_chunks(
     vision_model = QWenCV(
             key=db_knowledge.image2text.api_keys[0].api_key,
             model_name=db_knowledge.image2text.api_keys[0].model_name,
-            lang="Chinese",  # Default to Chinese
+            lang="Chinese",
             base_url=db_knowledge.image2text.api_keys[0].api_base
         )
     from app.core.rag.app.naive import chunk
-    res = chunk(filename=file_path,
+    res = chunk(filename=db_file.file_name,
+                binary=file_binary,
                 from_page=0,
                 to_page=5,
                 callback=progress_callback,
@@ -257,6 +274,9 @@ async def create_chunk(
         "sort_id": sort_id,
         "status": 1,
     }
+    # QA chunk: 注入 chunk_type/question/answer 到 metadata
+    if create_data.is_qa:
+        metadata.update(create_data.qa_metadata)
     chunk = DocumentChunk(page_content=content, metadata=metadata)
     # 3. Segmented vector storage
     vector_service.add_chunks([chunk])
@@ -268,6 +288,187 @@ async def create_chunk(
     return success(data=jsonable_encoder(chunk), msg="Document chunk creation successful")
 
 
+@router.post("/{kb_id}/{document_id}/chunk/batch", response_model=ApiResponse)
+async def create_chunks_batch(
+        kb_id: uuid.UUID,
+        document_id: uuid.UUID,
+        batch_data: chunk_schema.ChunkBatchCreate,
+        db: Session = Depends(get_db),
+        current_user: User = Depends(get_current_user)
+):
+    """
+    Batch create chunks (max 8)
+    """
+    api_logger.info(f"Batch create chunks: kb_id={kb_id}, document_id={document_id}, count={len(batch_data.items)}, username: {current_user.username}")
+
+    if len(batch_data.items) > settings.MAX_CHUNK_BATCH_SIZE:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail=f"Batch size exceeds limit: max {settings.MAX_CHUNK_BATCH_SIZE}, got {len(batch_data.items)}"
+        )
+
+    db_knowledge = knowledge_service.get_knowledge_by_id(db, knowledge_id=kb_id, current_user=current_user)
+    if not db_knowledge:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="The knowledge base does not exist or access is denied")
+
+    db_document = db.query(Document).filter(Document.id == document_id).first()
+    if not db_document:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="The document does not exist or you do not have permission to access it")
+
+    vector_service = ElasticSearchVectorFactory().init_vector(knowledge=db_knowledge)
+
+    # Get current max sort_id
+    sort_id = 0
+    total, items = vector_service.search_by_segment(document_id=str(document_id), pagesize=1, page=1, asc=False)
+    if items:
+        sort_id = items[0].metadata["sort_id"]
+
+    chunks = []
+    for create_data in batch_data.items:
+        sort_id += 1
+        doc_id = uuid.uuid4().hex
+        metadata = {
+            "doc_id": doc_id,
+            "file_id": str(db_document.file_id),
+            "file_name": db_document.file_name,
+            "file_created_at": int(db_document.created_at.timestamp() * 1000),
+            "document_id": str(document_id),
+            "knowledge_id": str(kb_id),
+            "sort_id": sort_id,
+            "status": 1,
+        }
+        if create_data.is_qa:
+            metadata.update(create_data.qa_metadata)
+        chunks.append(DocumentChunk(page_content=create_data.chunk_content, metadata=metadata))
+
+    vector_service.add_chunks(chunks)
+
+    db_document.chunk_num += len(chunks)
+    db.commit()
+
+    return success(data=jsonable_encoder(chunks), msg=f"Batch created {len(chunks)} chunks successfully")
+
+
+@router.post("/{kb_id}/import_qa", response_model=ApiResponse)
+async def import_qa_new_doc(
+        kb_id: uuid.UUID,
+        file: UploadFile = File(..., description="CSV 或 Excel 文件（第一行标题跳过，第一列问题，第二列答案）"),
+        db: Session = Depends(get_db),
+        current_user: User = Depends(get_current_user),
+        storage_service: FileStorageService = Depends(get_file_storage_service),
+):
+    """
+    导入 QA 问答对并新建文档（CSV/Excel），异步处理
+    """
+    from app.schemas import file_schema, document_schema
+
+    api_logger.info(f"Import QA (new doc): kb_id={kb_id}, file={file.filename}, username: {current_user.username}")
+
+    # 1. 校验文件格式
+    filename = file.filename or ""
+    if not (filename.endswith(".csv") or filename.endswith(".xlsx") or filename.endswith(".xls")):
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="仅支持 CSV (.csv) 或 Excel (.xlsx) 格式")
+
+    # 2. 校验知识库
+    db_knowledge = knowledge_service.get_knowledge_by_id(db, knowledge_id=kb_id, current_user=current_user)
+    if not db_knowledge:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="知识库不存在或无权访问")
+
+    # 3. 读取文件
+    contents = await file.read()
+    file_size = len(contents)
+    if file_size == 0:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="文件为空")
+
+    _, file_extension = os.path.splitext(filename)
+    file_ext = file_extension.lower()
+
+    # 4. 创建 File 记录
+    file_data = file_schema.FileCreate(
+        kb_id=kb_id, created_by=current_user.id,
+        parent_id=uuid.UUID("00000000-0000-0000-0000-000000000000"),
+        file_name=filename, file_ext=file_ext, file_size=file_size,
+    )
+    db_file = file_service.create_file(db=db, file=file_data, current_user=current_user)
+
+    # 5. 上传文件到存储后端
+    file_key = generate_kb_file_key(kb_id=kb_id, file_id=db_file.id, file_ext=file_ext)
+    try:
+        await storage_service.storage.upload(file_key=file_key, content=contents, content_type=file.content_type)
+    except Exception as e:
+        api_logger.error(f"Storage upload failed: {e}")
+        raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=f"文件存储失败: {str(e)}")
+
+    db_file.file_key = file_key
+    db.commit()
+    db.refresh(db_file)
+
+    # 6. 创建 Document 记录（标记为 QA 类型）
+    doc_data = document_schema.DocumentCreate(
+        kb_id=kb_id, created_by=current_user.id, file_id=db_file.id,
+        file_name=filename, file_ext=file_ext, file_size=file_size,
+        file_meta={}, parser_id="qa",
+        parser_config={"doc_type": "qa", "auto_questions": 0}
+    )
+    db_document = document_service.create_document(db=db, document=doc_data, current_user=current_user)
+
+    api_logger.info(f"Created doc for QA import: file_id={db_file.id}, document_id={db_document.id}, file_key={file_key}")
+
+    # 7. 派发异步任务
+    from app.celery_app import celery_app
+    task = celery_app.send_task(
+        "app.core.rag.tasks.import_qa_chunks",
+        args=[str(kb_id), str(db_document.id), filename, contents],
+        queue="qa_import"
+    )
+
+    return success(data={
+        "task_id": task.id,
+        "document_id": str(db_document.id),
+        "file_id": str(db_file.id),
+    }, msg="QA 导入任务已提交，后台处理中")
+
+
+@router.post("/{kb_id}/{document_id}/import_qa", response_model=ApiResponse)
+async def import_qa_chunks(
+        kb_id: uuid.UUID,
+        document_id: uuid.UUID,
+        file: UploadFile = File(..., description="CSV 或 Excel 文件（第一行标题跳过，第一列问题，第二列答案）"),
+        db: Session = Depends(get_db),
+        current_user: User = Depends(get_current_user)
+):
+    """
+    导入 QA 问答对（CSV/Excel），异步处理
+    """
+    api_logger.info(f"Import QA chunks: kb_id={kb_id}, document_id={document_id}, file={file.filename}, username: {current_user.username}")
+
+    # 1. 校验文件格式
+    filename = file.filename or ""
+    if not (filename.endswith(".csv") or filename.endswith(".xlsx") or filename.endswith(".xls")):
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="仅支持 CSV (.csv) 或 Excel (.xlsx) 格式")
+
+    # 2. 校验知识库和文档
+    db_knowledge = knowledge_service.get_knowledge_by_id(db, knowledge_id=kb_id, current_user=current_user)
+    if not db_knowledge:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="知识库不存在或无权访问")
+
+    db_document = db.query(Document).filter(Document.id == document_id).first()
+    if not db_document:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="文档不存在或无权访问")
+
+    # 3. 读取文件内容，派发异步任务
+    contents = await file.read()
+
+    from app.celery_app import celery_app
+    task = celery_app.send_task(
+        "app.core.rag.tasks.import_qa_chunks",
+        args=[str(kb_id), str(document_id), filename, contents],
+        queue="qa_import"
+    )
+
+    return success(data={"task_id": task.id}, msg="QA 导入任务已提交，后台处理中")
+
+
 @router.get("/{kb_id}/{document_id}/{doc_id}", response_model=ApiResponse)
 async def get_chunk(
         kb_id: uuid.UUID,
@@ -328,6 +529,9 @@ async def update_chunk(
     if total:
         chunk = items[0]
         chunk.page_content = content
+        # QA chunk: 更新 metadata 中的 question/answer
+        if update_data.is_qa:
+            chunk.metadata.update(update_data.qa_metadata)
         vector_service.update_by_segment(chunk)
         return success(data=jsonable_encoder(chunk), msg="The document chunk has been successfully updated")
     else:
@@ -342,6 +546,7 @@ async def delete_chunk(
         kb_id: uuid.UUID,
         document_id: uuid.UUID,
         doc_id: str,
+        force_refresh: bool = Query(False, description="Force Elasticsearch refresh after deletion"),
         db: Session = Depends(get_db),
         current_user: User = Depends(get_current_user)
 ):
@@ -359,7 +564,7 @@ async def delete_chunk(
 
     vector_service = ElasticSearchVectorFactory().init_vector(knowledge=db_knowledge)
     if vector_service.text_exists(doc_id):
-        vector_service.delete_by_ids([doc_id])
+        vector_service.delete_by_ids([doc_id], refresh=force_refresh)
         # 更新 chunk_num
         db_document = db.query(Document).filter(Document.id == document_id).first()
         db_document.chunk_num -= 1

api/app/controllers/document_controller.py

@@ -20,6 +20,7 @@ from app.models.user_model import User
 from app.schemas import document_schema
 from app.schemas.response_schema import ApiResponse
 from app.services import document_service, file_service, knowledge_service
+from app.services.file_storage_service import FileStorageService, get_file_storage_service
 
 
 # Obtain a dedicated API logger
@@ -231,7 +232,8 @@ async def update_document(
 async def delete_document(
         document_id: uuid.UUID,
         db: Session = Depends(get_db),
-        current_user: User = Depends(get_current_user)
+        current_user: User = Depends(get_current_user),
+        storage_service: FileStorageService = Depends(get_file_storage_service),
 ):
     """
     Delete document
@@ -257,7 +259,7 @@ async def delete_document(
         db.commit()
 
         # 3. Delete file
-        await file_controller._delete_file(db=db, file_id=file_id, current_user=current_user)
+        await file_controller._delete_file(db=db, file_id=file_id, current_user=current_user, storage_service=storage_service)
 
         # 4. Delete vector index
         db_knowledge = knowledge_service.get_knowledge_by_id(db, knowledge_id=db_document.kb_id, current_user=current_user)
@@ -305,38 +307,25 @@ async def parse_documents(
                 detail="The file does not exist or you do not have permission to access it"
             )
 
-        # 3. Construct file path：/files/{kb_id}/{parent_id}/{file.id}{file.file_ext}
-        file_path = os.path.join(
-            settings.FILE_PATH,
-            str(db_file.kb_id),
-            str(db_file.parent_id),
-            f"{db_file.id}{db_file.file_ext}"
-        )
-
-        # 4. Check if the file exists
-        api_logger.debug(f"Constructed file path: {file_path}")
-        api_logger.debug(f"File metadata - kb_id: {db_file.kb_id}, parent_id: {db_file.parent_id}, file_id: {db_file.id}, extension: {db_file.file_ext}")
-        if not os.path.exists(file_path):
-            api_logger.error(f"File not found (possibly deleted): file_path={file_path}, file_id={db_file.id}, document_id={document_id}")
+        # 3. Get file_key for storage backend
+        if not db_file.file_key:
+            api_logger.error(f"File has no storage key (legacy data not migrated): file_id={db_file.id}")
             raise HTTPException(
                 status_code=status.HTTP_404_NOT_FOUND,
-                detail="File not found (possibly deleted)"
+                detail="File has no storage key (legacy data not migrated)"
             )
 
-        # 5. Obtain knowledge base information
-        api_logger.info( f"Obtain details of the knowledge base: knowledge_id={db_document.kb_id}")
+        # 4. Obtain knowledge base information
+        api_logger.info(f"Obtain details of the knowledge base: knowledge_id={db_document.kb_id}")
         db_knowledge = knowledge_service.get_knowledge_by_id(db, knowledge_id=db_document.kb_id, current_user=current_user)
         if not db_knowledge:
-            api_logger.warning(f"The knowledge base does not exist or access is denied: knowledge_id={db_document.kb_id}")
-            raise HTTPException(
-                status_code=status.HTTP_404_NOT_FOUND,
-                detail="The knowledge base does not exist or access is denied"
-            )
+            raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Knowledge base not found")
 
-        # 6. Task: Document parsing, vectorization, and storage
-        # from app.tasks import parse_document
-        # parse_document(file_path, document_id)
-        task = celery_app.send_task("app.core.rag.tasks.parse_document", args=[file_path, document_id])
+        # 5. Dispatch parse task with file_key (not file_path)
+        task = celery_app.send_task(
+            "app.core.rag.tasks.parse_document",
+            args=[db_file.file_key, document_id, db_file.file_name]
+        )
         result = {
             "task_id": task.id
         }

api/app/controllers/file_controller.py

@@ -1,12 +1,10 @@
 import os
-from pathlib import Path
-import shutil
 from typing import Any, Optional
 import uuid
 
 from fastapi import APIRouter, Depends, HTTPException, status, File, UploadFile, Query
 from fastapi.encoders import jsonable_encoder
-from fastapi.responses import FileResponse
+from fastapi.responses import Response
 from sqlalchemy.orm import Session
 
 from app.core.config import settings
@@ -19,10 +17,14 @@ from app.models.user_model import User
 from app.schemas import file_schema, document_schema
 from app.schemas.response_schema import ApiResponse
 from app.services import file_service, document_service
+from app.services.knowledge_service import get_knowledge_by_id as get_kb_by_id
+from app.services.file_storage_service import (
+    FileStorageService,
+    generate_kb_file_key,
+    get_file_storage_service,
+)
 from app.core.quota_stub import check_knowledge_capacity_quota
 
-
-# Obtain a dedicated API logger
 api_logger = get_api_logger()
 
 router = APIRouter(
@@ -35,67 +37,37 @@ router = APIRouter(
 async def get_files(
         kb_id: uuid.UUID,
         parent_id: uuid.UUID,
-        page: int = Query(1, gt=0),  # Default: 1, which must be greater than 0
-        pagesize: int = Query(20, gt=0, le=100),  # Default: 20 items per page, maximum: 100 items
+        page: int = Query(1, gt=0),
+        pagesize: int = Query(20, gt=0, le=100),
         orderby: Optional[str] = Query(None, description="Sort fields, such as: created_at"),
         desc: Optional[bool] = Query(False, description="Is it descending order"),
         keywords: Optional[str] = Query(None, description="Search keywords (file name)"),
         db: Session = Depends(get_db),
         current_user: User = Depends(get_current_user)
 ):
-    """
-    Paged query file list
-    - Support filtering by kb_id and parent_id
-    - Support keyword search for file names
-    - Support dynamic sorting
-    - Return paging metadata + file list
-    """
-    api_logger.info(f"Query file list: kb_id={kb_id}, parent_id={parent_id}, page={page}, pagesize={pagesize}, keywords={keywords}, username: {current_user.username}")
-    # 1. parameter validation
-    if page < 1 or pagesize < 1:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail="The paging parameter must be greater than 0"
-        )
+    """Paged query file list"""
+    api_logger.info(f"Query file list: kb_id={kb_id}, parent_id={parent_id}, page={page}, pagesize={pagesize}")
 
-    # 2. Construct query conditions
-    filters = [
-        file_model.File.kb_id == kb_id
-    ]
+    if page < 1 or pagesize < 1:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="The paging parameter must be greater than 0")
+
+    filters = [file_model.File.kb_id == kb_id]
     if parent_id:
         filters.append(file_model.File.parent_id == parent_id)
-    # Keyword search (fuzzy matching of file name)
     if keywords:
         filters.append(file_model.File.file_name.ilike(f"%{keywords}%"))
 
-    # 3. Execute paged query
     try:
-        api_logger.debug("Start executing file paging query")
         total, items = file_service.get_files_paginated(
-            db=db,
-            filters=filters,
-            page=page,
-            pagesize=pagesize,
-            orderby=orderby,
-            desc=desc,
-            current_user=current_user
+            db=db, filters=filters, page=page, pagesize=pagesize,
+            orderby=orderby, desc=desc, current_user=current_user
         )
-        api_logger.info(f"File query successful: total={total}, returned={len(items)} records")
     except Exception as e:
-        raise HTTPException(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            detail=f"Query failed: {str(e)}"
-        )
+        raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=f"Query failed: {str(e)}")
 
-    # 4. Return structured response
     result = {
         "items": items,
-        "page": {
-            "page": page,
-            "pagesize": pagesize,
-            "total": total,
-            "has_next": True if page * pagesize < total else False
-        }
+        "page": {"page": page, "pagesize": pagesize, "total": total, "has_next": page * pagesize < total}
     }
     return success(data=jsonable_encoder(result), msg="Query of file list succeeded")
 
@@ -108,23 +80,14 @@ async def create_folder(
         db: Session = Depends(get_db),
         current_user: User = Depends(get_current_user),
 ):
-    """
-    Create a new folder
-    """
-    api_logger.info(f"Create folder request: kb_id={kb_id}, parent_id={parent_id}, folder_name={folder_name}, username: {current_user.username}")
-
+    """Create a new folder"""
+    api_logger.info(f"Create folder request: kb_id={kb_id}, parent_id={parent_id}, folder_name={folder_name}")
     try:
-        api_logger.debug(f"Start creating a folder: {folder_name}")
-        create_folder = file_schema.FileCreate(
-            kb_id=kb_id,
-            created_by=current_user.id,
-            parent_id=parent_id,
-            file_name=folder_name,
-            file_ext='folder',
-            file_size=0,
+        create_folder_data = file_schema.FileCreate(
+            kb_id=kb_id, created_by=current_user.id, parent_id=parent_id,
+            file_name=folder_name, file_ext='folder', file_size=0,
         )
-        db_file = file_service.create_file(db=db, file=create_folder, current_user=current_user)
-        api_logger.info(f"Folder created successfully: {db_file.file_name} (ID: {db_file.id})")
+        db_file = file_service.create_file(db=db, file=create_folder_data, current_user=current_user)
         return success(data=jsonable_encoder(file_schema.File.model_validate(db_file)), msg="Folder creation successful")
     except Exception as e:
         api_logger.error(f"Folder creation failed: {folder_name} - {str(e)}")
@@ -138,76 +101,58 @@ async def upload_file(
         parent_id: uuid.UUID,
         file: UploadFile = File(...),
         db: Session = Depends(get_db),
-        current_user: User = Depends(get_current_user)
+        current_user: User = Depends(get_current_user),
+        storage_service: FileStorageService = Depends(get_file_storage_service),
 ):
-    """
-    upload file
-    """
-    api_logger.info(f"upload file request: kb_id={kb_id}, parent_id={parent_id}, filename={file.filename}, username: {current_user.username}")
+    """Upload file to storage backend"""
+    api_logger.info(f"upload file request: kb_id={kb_id}, parent_id={parent_id}, filename={file.filename}")
 
-    # Read the contents of the file
     contents = await file.read()
-    # Check file size
     file_size = len(contents)
-    print(f"file size: {file_size} byte")
     if file_size == 0:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail="The file is empty."
-        )
-    # If the file size exceeds 50MB (50 * 1024 * 1024 bytes)
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="The file is empty.")
     if file_size > settings.MAX_FILE_SIZE:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail=f"The file size exceeds the {settings.MAX_FILE_SIZE}byte limit"
-        )
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"File size exceeds {settings.MAX_FILE_SIZE} byte limit")
 
-    # Extract the extension using `os.path.splitext`
     _, file_extension = os.path.splitext(file.filename)
-    upload_file = file_schema.FileCreate(
-        kb_id=kb_id,
-        created_by=current_user.id,
-        parent_id=parent_id,
-        file_name=file.filename,
-        file_ext=file_extension.lower(),
-        file_size=file_size,
+    file_ext = file_extension.lower()
+
+    # Create File record
+    upload_file_data = file_schema.FileCreate(
+        kb_id=kb_id, created_by=current_user.id, parent_id=parent_id,
+        file_name=file.filename, file_ext=file_ext, file_size=file_size,
     )
-    db_file = file_service.create_file(db=db, file=upload_file, current_user=current_user)
+    db_file = file_service.create_file(db=db, file=upload_file_data, current_user=current_user)
 
-    # Construct a save path：/files/{kb_id}/{parent_id}/{file.id}{file_extension}
-    save_dir = os.path.join(settings.FILE_PATH, str(kb_id), str(parent_id))
-    Path(save_dir).mkdir(parents=True, exist_ok=True)  # Ensure that the directory exists
-    save_path = os.path.join(save_dir, f"{db_file.id}{db_file.file_ext}")
+    # Upload to storage backend
+    file_key = generate_kb_file_key(kb_id=kb_id, file_id=db_file.id, file_ext=file_ext)
+    try:
+        await storage_service.storage.upload(file_key=file_key, content=contents, content_type=file.content_type)
+    except Exception as e:
+        api_logger.error(f"Storage upload failed: {e}")
+        raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=f"File storage failed: {str(e)}")
 
-    # Save file
-    with open(save_path, "wb") as f:
-        f.write(contents)
+    # Save file_key
+    db_file.file_key = file_key
+    db.commit()
+    db.refresh(db_file)
 
-    # Verify whether the file has been saved successfully
-    if not os.path.exists(save_path):
-        raise HTTPException(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            detail="File save failed"
-        )
+    # Create document (inherit parser_config from knowledge base)
+    default_parser_config = {
+        "layout_recognize": "DeepDOC", "chunk_token_num": 128, "delimiter": "\n",
+        "auto_keywords": 0, "auto_questions": 0, "html4excel": "false"
+    }
+    try:
+        db_knowledge = get_kb_by_id(db, knowledge_id=kb_id, current_user=current_user)
+        if db_knowledge and db_knowledge.parser_config:
+            default_parser_config.update(dict(db_knowledge.parser_config))
+    except Exception:
+        pass
 
-    # Create a document
     create_data = document_schema.DocumentCreate(
-        kb_id=kb_id,
-        created_by=current_user.id,
-        file_id=db_file.id,
-        file_name=db_file.file_name,
-        file_ext=db_file.file_ext,
-        file_size=db_file.file_size,
-        file_meta={},
-        parser_id="naive",
-        parser_config={
-            "layout_recognize": "DeepDOC",
-            "chunk_token_num": 128,
-            "delimiter": "\n",
-            "auto_keywords": 0,
-            "auto_questions": 0,
-            "html4excel": "false"
-        }
+        kb_id=kb_id, created_by=current_user.id, file_id=db_file.id,
+        file_name=db_file.file_name, file_ext=db_file.file_ext, file_size=db_file.file_size,
+        file_meta={}, parser_id="naive", parser_config=default_parser_config
     )
     db_document = document_service.create_document(db=db, document=create_data, current_user=current_user)
 
@@ -221,123 +166,73 @@ async def custom_text(
         parent_id: uuid.UUID,
         create_data: file_schema.CustomTextFileCreate,
         db: Session = Depends(get_db),
-        current_user: User = Depends(get_current_user)
+        current_user: User = Depends(get_current_user),
+        storage_service: FileStorageService = Depends(get_file_storage_service),
 ):
-    """
-    custom text
-    """
-    api_logger.info(f"custom text upload request: kb_id={kb_id}, parent_id={parent_id}, title={create_data.title}, content={create_data.content}, username: {current_user.username}")
-
-    # Check file content size
-    # 将内容编码为字节（UTF-8）
+    """Custom text upload"""
     content_bytes = create_data.content.encode('utf-8')
     file_size = len(content_bytes)
-    print(f"file size: {file_size} byte")
     if file_size == 0:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail="The content is empty."
-        )
-    # If the file size exceeds 50MB (50 * 1024 * 1024 bytes)
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="The content is empty.")
     if file_size > settings.MAX_FILE_SIZE:
-        raise HTTPException(
-            status_code=status.HTTP_400_BAD_REQUEST,
-            detail=f"The content size exceeds the {settings.MAX_FILE_SIZE}byte limit"
-        )
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"Content size exceeds {settings.MAX_FILE_SIZE} byte limit")
 
-    upload_file = file_schema.FileCreate(
-        kb_id=kb_id,
-        created_by=current_user.id,
-        parent_id=parent_id,
-        file_name=f"{create_data.title}.txt",
-        file_ext=".txt",
-        file_size=file_size,
+    upload_file_data = file_schema.FileCreate(
+        kb_id=kb_id, created_by=current_user.id, parent_id=parent_id,
+        file_name=f"{create_data.title}.txt", file_ext=".txt", file_size=file_size,
     )
-    db_file = file_service.create_file(db=db, file=upload_file, current_user=current_user)
+    db_file = file_service.create_file(db=db, file=upload_file_data, current_user=current_user)
 
-    # Construct a save path：/files/{kb_id}/{parent_id}/{file.id}{file_extension}
-    save_dir = os.path.join(settings.FILE_PATH, str(kb_id), str(parent_id))
-    Path(save_dir).mkdir(parents=True, exist_ok=True)  # Ensure that the directory exists
-    save_path = os.path.join(save_dir, f"{db_file.id}.txt")
+    # Upload to storage backend
+    file_key = generate_kb_file_key(kb_id=kb_id, file_id=db_file.id, file_ext=".txt")
+    try:
+        await storage_service.storage.upload(file_key=file_key, content=content_bytes, content_type="text/plain")
+    except Exception as e:
+        api_logger.error(f"Storage upload failed: {e}")
+        raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=f"File storage failed: {str(e)}")
 
-    # Save file
-    with open(save_path, "wb") as f:
-        f.write(content_bytes)
+    db_file.file_key = file_key
+    db.commit()
+    db.refresh(db_file)
 
-    # Verify whether the file has been saved successfully
-    if not os.path.exists(save_path):
-        raise HTTPException(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            detail="File save failed"
-        )
-
-    # Create a document
     create_document_data = document_schema.DocumentCreate(
-        kb_id=kb_id,
-        created_by=current_user.id,
-        file_id=db_file.id,
-        file_name=db_file.file_name,
-        file_ext=db_file.file_ext,
-        file_size=db_file.file_size,
-        file_meta={},
-        parser_id="naive",
-        parser_config={
-            "layout_recognize": "DeepDOC",
-            "chunk_token_num": 128,
-            "delimiter": "\n",
-            "auto_keywords": 0,
-            "auto_questions": 0,
-            "html4excel": "false"
-        }
+        kb_id=kb_id, created_by=current_user.id, file_id=db_file.id,
+        file_name=db_file.file_name, file_ext=db_file.file_ext, file_size=db_file.file_size,
+        file_meta={}, parser_id="naive",
+        parser_config={"layout_recognize": "DeepDOC", "chunk_token_num": 128, "delimiter": "\n",
+                       "auto_keywords": 0, "auto_questions": 0, "html4excel": "false"}
     )
     db_document = document_service.create_document(db=db, document=create_document_data, current_user=current_user)
 
-    api_logger.info(f"custom text upload successfully: {create_data.title} (file_id: {db_file.id}, document_id: {db_document.id})")
     return success(data=jsonable_encoder(document_schema.Document.model_validate(db_document)), msg="custom text upload successful")
 
 
 @router.get("/{file_id}", response_model=Any)
 async def get_file(
         file_id: uuid.UUID,
-        db: Session = Depends(get_db)
+        db: Session = Depends(get_db),
+        storage_service: FileStorageService = Depends(get_file_storage_service),
 ) -> Any:
-    """
-    Download the file based on the file_id
-    - Query file information from the database
-    - Construct the file path and check if it exists
-    - Return a FileResponse to download the file
-    """
-    api_logger.info(f"Download the file based on the file_id: file_id={file_id}")
-
-    # 1. Query file information from the database
+    """Download file by file_id"""
     db_file = file_service.get_file_by_id(db, file_id=file_id)
     if not db_file:
-        api_logger.warning(f"The file does not exist or you do not have permission to access it: file_id={file_id}")
-        raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="The file does not exist or you do not have permission to access it"
-        )
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="File not found")
 
-    # 2. Construct file path：/files/{kb_id}/{parent_id}/{file.id}{file.file_ext}
-    file_path = os.path.join(
-        settings.FILE_PATH,
-        str(db_file.kb_id),
-        str(db_file.parent_id),
-        f"{db_file.id}{db_file.file_ext}"
-    )
+    if not db_file.file_key:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="File has no storage key (legacy data not migrated)")
 
-    # 3. Check if the file exists
-    if not os.path.exists(file_path):
-        raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="File not found (possibly deleted)"
-        )
+    try:
+        content = await storage_service.download_file(db_file.file_key)
+    except Exception as e:
+        api_logger.error(f"Storage download failed: {e}")
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="File not found in storage")
 
-    # 4.Return FileResponse (automatically handle download)
-    return FileResponse(
-        path=file_path,
-        filename=db_file.file_name,  # Use original file name
-        media_type="application/octet-stream"  # Universal binary stream type
+    import mimetypes
+    media_type = mimetypes.guess_type(db_file.file_name)[0] or "application/octet-stream"
+    return Response(
+        content=content,
+        media_type=media_type,
+        headers={"Content-Disposition": f'attachment; filename="{db_file.file_name}"'}
     )
 
 
@@ -348,50 +243,22 @@ async def update_file(
         db: Session = Depends(get_db),
         current_user: User = Depends(get_current_user)
 ):
-    """
-    Update file information (such as file name)
-    - Only specified fields such as file_name are allowed to be modified
-    """
-    api_logger.debug(f"Query the file to be updated: {file_id}")
-
-    # 1. Check if the file exists
+    """Update file information (such as file name)"""
     db_file = file_service.get_file_by_id(db, file_id=file_id)
-
     if not db_file:
-        api_logger.warning(f"The file does not exist or you do not have permission to access it: file_id={file_id}")
-        raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="The file does not exist or you do not have permission to access it"
-        )
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="File not found")
 
-    # 2. Update fields (only update non-null fields)
-    api_logger.debug(f"Start updating the file fields: {file_id}")
-    updated_fields = []
     for field, value in update_data.dict(exclude_unset=True).items():
         if hasattr(db_file, field):
-            old_value = getattr(db_file, field)
-            if old_value != value:
-                # update value
-                setattr(db_file, field, value)
-                updated_fields.append(f"{field}: {old_value} -> {value}")
+            setattr(db_file, field, value)
 
-    if updated_fields:
-        api_logger.debug(f"updated fields: {', '.join(updated_fields)}")
-
-    # 3. Save to database
     try:
         db.commit()
         db.refresh(db_file)
-        api_logger.info(f"The file has been successfully updated: {db_file.file_name} (ID: {db_file.id})")
     except Exception as e:
         db.rollback()
-        api_logger.error(f"File update failed: file_id={file_id} - {str(e)}")
-        raise HTTPException(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            detail=f"File update failed: {str(e)}"
-        )
+        raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=f"File update failed: {str(e)}")
 
-    # 4. Return the updated file
     return success(data=jsonable_encoder(file_schema.File.model_validate(db_file)), msg="File information updated successfully")
 
 
@@ -399,60 +266,43 @@ async def update_file(
 async def delete_file(
         file_id: uuid.UUID,
         db: Session = Depends(get_db),
-        current_user: User = Depends(get_current_user)
+        current_user: User = Depends(get_current_user),
+        storage_service: FileStorageService = Depends(get_file_storage_service),
 ):
-    """
-    Delete a file or folder
-    """
-    api_logger.info(f"Request to delete file: file_id={file_id}, username: {current_user.username}")
-    await _delete_file(db=db, file_id=file_id, current_user=current_user)
+    """Delete a file or folder"""
+    api_logger.info(f"Request to delete file: file_id={file_id}")
+    await _delete_file(db=db, file_id=file_id, current_user=current_user, storage_service=storage_service)
     return success(msg="File deleted successfully")
 
+
 async def _delete_file(
         file_id: uuid.UUID,
-        db: Session = Depends(get_db),
-        current_user: User = Depends(get_current_user)
+        db: Session,
+        current_user: User,
+        storage_service: FileStorageService,
 ) -> None:
-    """
-    Delete a file or folder
-    """
-    # 1. Check if the file exists
+    """Delete a file or folder from storage and database"""
     db_file = file_service.get_file_by_id(db, file_id=file_id)
-
     if not db_file:
-        api_logger.warning(f"The file does not exist or you do not have permission to access it: file_id={file_id}")
-        raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="The file does not exist or you do not have permission to access it"
-        )
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="File not found")
 
-    # 2. Construct physical path
-    file_path = Path(
-        settings.FILE_PATH,
-        str(db_file.kb_id),
-        str(db_file.id)
-    ) if db_file.file_ext == 'folder' else Path(
-        settings.FILE_PATH,
-        str(db_file.kb_id),
-        str(db_file.parent_id),
-        f"{db_file.id}{db_file.file_ext}"
-    )
-
-    # 3. Delete physical files/folders
-    try:
-        if file_path.exists():
-            if db_file.file_ext == 'folder':
-                shutil.rmtree(file_path)  # Recursively delete folders
-            else:
-                file_path.unlink()  # Delete a single file
-    except Exception as e:
-        raise HTTPException(
-            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-            detail=f"Failed to delete physical file/folder: {str(e)}"
-        )
-
-    # 4.Delete db_file
+    # Delete from storage backend
     if db_file.file_ext == 'folder':
+        # For folders, delete all child files from storage first
+        child_files = db.query(file_model.File).filter(file_model.File.parent_id == db_file.id).all()
+        for child in child_files:
+            if child.file_key:
+                try:
+                    await storage_service.delete_file(child.file_key)
+                except Exception as e:
+                    api_logger.warning(f"Failed to delete child file from storage: {child.file_key} - {e}")
         db.query(file_model.File).filter(file_model.File.parent_id == db_file.id).delete()
+    else:
+        if db_file.file_key:
+            try:
+                await storage_service.delete_file(db_file.file_key)
+            except Exception as e:
+                api_logger.warning(f"Failed to delete file from storage: {db_file.file_key} - {e}")
+
     db.delete(db_file)
     db.commit()

api/app/controllers/service/app_api_controller.py

@@ -296,7 +296,7 @@ async def chat(
                 }
             )
 
-        # workflow 非流式返回
+        # 多 Agent 非流式返回
         result = await app_chat_service.workflow_chat(
 
             message=payload.message,

api/app/controllers/service/rag_api_chunk_controller.py

@@ -113,6 +113,33 @@ async def create_chunk(
                                                current_user=current_user)
 
 
+@router.post("/{kb_id}/{document_id}/chunk/batch", response_model=ApiResponse)
+@require_api_key(scopes=["rag"])
+async def create_chunks_batch(
+    kb_id: uuid.UUID,
+    document_id: uuid.UUID,
+    request: Request,
+    api_key_auth: ApiKeyAuth = None,
+    db: Session = Depends(get_db),
+    items: list = Body(..., description="chunk items list"),
+):
+    """
+    Batch create chunks (max 8)
+    """
+    body = await request.json()
+    batch_data = chunk_schema.ChunkBatchCreate(**body)
+    # 0. Obtain the creator of the api key
+    api_key = api_key_service.ApiKeyService.get_api_key(db, api_key_auth.api_key_id, api_key_auth.workspace_id)
+    current_user = api_key.creator
+    current_user.current_workspace_id = api_key_auth.workspace_id
+
+    return await chunk_controller.create_chunks_batch(kb_id=kb_id,
+                                                      document_id=document_id,
+                                                      batch_data=batch_data,
+                                                      db=db,
+                                                      current_user=current_user)
+
+
 @router.get("/{kb_id}/{document_id}/{doc_id}", response_model=ApiResponse)
 @require_api_key(scopes=["rag"])
 async def get_chunk(
@@ -176,6 +203,7 @@ async def delete_chunk(
     request: Request,
     api_key_auth: ApiKeyAuth = None,
     db: Session = Depends(get_db),
+    force_refresh: bool = Query(False, description="Force Elasticsearch refresh after deletion"),
 ):
     """
     delete document chunk
@@ -188,6 +216,7 @@ async def delete_chunk(
     return await chunk_controller.delete_chunk(kb_id=kb_id,
                                                document_id=document_id,
                                                doc_id=doc_id,
+                                               force_refresh=force_refresh,
                                                db=db,
                                                current_user=current_user)
 

api/app/controllers/workspace_controller.py

@@ -221,7 +221,7 @@ def update_workspace_members(
 
 @router.delete("/members/{member_id}", response_model=ApiResponse)
 @cur_workspace_access_guard()
-async def delete_workspace_member(
+def delete_workspace_member(
     member_id: uuid.UUID,
     db: Session = Depends(get_db),
     current_user: User = Depends(get_current_user),
@@ -230,7 +230,7 @@ async def delete_workspace_member(
     workspace_id = current_user.current_workspace_id
     api_logger.info(f"用户 {current_user.username} 请求删除工作空间 {workspace_id} 的成员 {member_id}")
 
-    await workspace_service.delete_workspace_member(
+    workspace_service.delete_workspace_member(
         db=db,
         workspace_id=workspace_id,
         member_id=member_id,

api/app/core/config.py

@@ -98,6 +98,7 @@ class Settings:
     # File Upload
     MAX_FILE_SIZE: int = int(os.getenv("MAX_FILE_SIZE", "52428800"))
     MAX_FILE_COUNT: int = int(os.getenv("MAX_FILE_COUNT", "20"))
+    MAX_CHUNK_BATCH_SIZE: int = int(os.getenv("MAX_CHUNK_BATCH_SIZE", "8"))
     FILE_PATH: str = os.getenv("FILE_PATH", "/files")
     FILE_URL_EXPIRES: int = int(os.getenv("FILE_URL_EXPIRES", "3600"))
 
@@ -241,8 +242,6 @@ class Settings:
     SMTP_PORT: int = int(os.getenv("SMTP_PORT", "587"))
     SMTP_USER: str = os.getenv("SMTP_USER", "")
     SMTP_PASSWORD: str = os.getenv("SMTP_PASSWORD", "")
-    
-    SANDBOX_URL: str = os.getenv("SANDBOX_URL", "")
 
     REFLECTION_INTERVAL_SECONDS: float = float(os.getenv("REFLECTION_INTERVAL_SECONDS", "300"))
     HEALTH_CHECK_SECONDS: float = float(os.getenv("HEALTH_CHECK_SECONDS", "600"))

api/app/core/models/base.py

@@ -216,7 +216,7 @@ class RedBearModelFactory:
             # 深度思考模式：Claude 3.7 Sonnet 等支持思考的模型
             # 通过 additional_model_request_fields 传递 thinking 块，关闭时不传（Bedrock 无 disabled 选项）
             if config.deep_thinking:
-                budget = config.thinking_budget_tokens or 1024
+                budget = config.thinking_budget_tokens or 10000
                 params["additional_model_request_fields"] = {
                     "thinking": {"type": "enabled", "budget_tokens": budget}
                 }

api/app/core/rag/graphrag/general/index.py

@@ -46,7 +46,10 @@ async def run_graphrag(
     start = trio.current_time()
     workspace_id, kb_id, document_id = row["workspace_id"], str(row["kb_id"]), row["document_id"]
     chunks = []
-    for d in settings.retriever.chunk_list(document_id, workspace_id, [kb_id], fields=["page_content", "document_id"], sort_by_position=True):
+    for d in settings.retriever.chunk_list(document_id, workspace_id, [kb_id], fields=["page_content", "document_id", "chunk_type"], sort_by_position=True):
+        # 跳过 QA chunks，只用原文 chunks 构建图谱
+        if d.get("chunk_type") == "qa":
+            continue
         chunks.append(d["page_content"])
 
     with trio.fail_after(max(120, len(chunks) * 60 * 10) if enable_timeout_assertion else 10000000000):
@@ -150,6 +153,9 @@ async def run_graphrag_for_kb(
 
         total, items = vector_service.search_by_segment(document_id=str(document_id), query=None, pagesize=9999, page=1, asc=True)
         for doc in items:
+            # 跳过 QA chunks，只用原文 chunks 构建图谱
+            if (doc.metadata or {}).get("chunk_type") == "qa":
+                continue
             content = doc.page_content
             if num_tokens_from_string(current_chunk + content) < 1024:
                 current_chunk += content

api/app/core/rag/prompts/generator.py

@@ -131,18 +131,52 @@ def keyword_extraction(chat_mdl, content, topn=3):
 
 
 def question_proposal(chat_mdl, content, topn=3):
-    template = PROMPT_JINJA_ENV.from_string(QUESTION_PROMPT_TEMPLATE)
-    rendered_prompt = template.render(content=content, topn=topn)
-
-    msg = [{"role": "system", "content": rendered_prompt}, {"role": "user", "content": "Output: "}]
-    _, msg = message_fit_in(msg, getattr(chat_mdl, 'max_length', 8096))
-    kwd = chat_mdl.chat(rendered_prompt, msg[1:], {"temperature": 0.2})
-    if isinstance(kwd, tuple):
-        kwd = kwd[0]
-    kwd = re.sub(r"^.*</think>", "", kwd, flags=re.DOTALL)
-    if kwd.find("**ERROR**") >= 0:
+    """生成问题（向后兼容，返回纯文本问题列表）"""
+    pairs = qa_proposal(chat_mdl, content, topn)
+    if not pairs:
         return ""
-    return kwd
+    return "\n".join([p["question"] for p in pairs])
+
+
+def qa_proposal(chat_mdl, content, topn=3, custom_prompt=None):
+    """生成 QA 对，返回 [{"question": ..., "answer": ...}, ...]
+    
+    Args:
+        chat_mdl: LLM 模型
+        content: 文本内容
+        topn: 生成 QA 对数量
+        custom_prompt: 自定义 prompt 模板（支持 Jinja2，可用变量: content, topn）
+    """
+    if custom_prompt:
+        template = PROMPT_JINJA_ENV.from_string(custom_prompt)
+        sys_prompt = template.render(topn=topn)
+    else:
+        sys_prompt = QUESTION_PROMPT_TEMPLATE
+    msg = [{"role": "system", "content": sys_prompt}, {"role": "user", "content": content}]
+    _, msg = message_fit_in(msg, getattr(chat_mdl, 'max_length', 8096))
+    raw = chat_mdl.chat(sys_prompt, msg[1:], {"temperature": 0.2})
+    if isinstance(raw, tuple):
+        raw = raw[0]
+    raw = re.sub(r"^.*</think>", "", raw, flags=re.DOTALL)
+    if raw.find("**ERROR**") >= 0:
+        return []
+    return parse_qa_pairs(raw)
+
+
+def parse_qa_pairs(text: str) -> list:
+    """解析 LLM 返回的 QA 对文本，格式: Q: xxx A: xxx"""
+    pairs = []
+    for line in text.strip().split("\n"):
+        line = line.strip()
+        if not line:
+            continue
+        # 匹配 Q: ... A: ... 格式
+        match = re.match(r'^Q:\s*(.+?)\s+A:\s*(.+)$', line, re.IGNORECASE)
+        if match:
+            q, a = match.group(1).strip(), match.group(2).strip()
+            if q and a:
+                pairs.append({"question": q, "answer": a})
+    return pairs
 
 
 def graph_entity_types(chat_mdl, scenario):

api/app/core/rag/prompts/question_prompt.md

@@ -1,19 +1,20 @@
 ## Role
-You are a text analyzer.
+You are a text analyzer and knowledge extraction expert.
 
 ## Task
-Propose {{ topn }} questions about a given piece of text content.
+Generate question-answer pairs from the given text content.
 
 ## Requirements
-- Understand and summarize the text content, and propose the top {{ topn }} important questions.
+- Understand and summarize the text content, then generate up to {{ topn }} important question-answer pairs.
+- Each question-answer pair MUST be on a single line, formatted as: Q: <question> A: <answer>
 - The questions SHOULD NOT have overlapping meanings.
 - The questions SHOULD cover the main content of the text as much as possible.
-- The questions MUST be in the same language as the given piece of text content.
-- One question per line.
-- Output questions ONLY.
-
----
-
-## Text Content
-{{ content }}
+- The answers MUST be concise, accurate, and directly derived from the text content.
+- The answers SHOULD be self-contained and understandable without additional context.
+- Both questions and answers MUST be in the same language as the given text content.
+- If the text is too short or lacks substantive content, generate fewer pairs rather than padding.
+- Output question-answer pairs ONLY, no extra explanation or commentary.
 
+## Example Output
+Q: What is the capital of France? A: The capital of France is Paris.
+Q: When was the Eiffel Tower built? A: The Eiffel Tower was built in 1889.

api/app/core/rag/prompts/vision_llm_describe_prompt.md

@@ -14,6 +14,7 @@ Transcribe the content from the provided PDF page image into clean Markdown form
 6. Do NOT wrap the output in ```markdown or ``` blocks.
 7. Only apply Markdown structure to headings, paragraphs, lists, and tables, strictly based on the layout of the image. Do NOT create tables unless an actual table exists in the image.
 8. Preserve the original language, information, and order exactly as shown in the image.
+9. Your output language MUST match the language of the content in the image. If the image contains Chinese text, output in Chinese. If English, output in English. Never translate.
 
 {% if page %}
 At the end of the transcription, add the page divider: `--- Page {{ page }} ---`.

api/app/core/rag/vdb/elasticsearch/elasticsearch_vector.py

@@ -5,7 +5,7 @@ from typing import Any
 from urllib.parse import urlparse
 
 import requests
-from elasticsearch import Elasticsearch, helpers
+from elasticsearch import Elasticsearch, helpers, NotFoundError
 from elasticsearch.helpers import BulkIndexError
 from packaging.version import parse as parse_version
 # langchain-community
@@ -53,13 +53,30 @@ class ElasticSearchVector(BaseVector):
         return "elasticsearch"
 
     def add_chunks(self, chunks: list[DocumentChunk], **kwargs):
-        # 实现 Elasticsearch 保存向量
-        texts = [chunk.page_content for chunk in chunks]
+        # QA chunks: embedding 只对 question 字段做；source chunks: 不做 embedding
+        texts_for_embedding = []
+        for chunk in chunks:
+            chunk_type = (chunk.metadata or {}).get("chunk_type", "chunk")
+            if chunk_type == "source":
+                # source chunk 不需要向量索引
+                texts_for_embedding.append("")
+            elif chunk_type == "qa":
+                # QA chunk: 用 question 字段做 embedding
+                texts_for_embedding.append((chunk.metadata or {}).get("question", chunk.page_content))
+            else:
+                # 普通 chunk: 用 page_content 做 embedding
+                texts_for_embedding.append(chunk.page_content)
+
         if self.is_multimodal_embedding:
-            # 火山引擎多模态 Embedding
-            embeddings = self.embeddings.embed_batch(texts)
+            embeddings = self.embeddings.embed_batch(texts_for_embedding)
         else:
-            embeddings = self.embeddings.embed_documents(list(texts))
+            embeddings = self.embeddings.embed_documents(texts_for_embedding)
+
+        # source chunk 的向量置空
+        for i, chunk in enumerate(chunks):
+            if (chunk.metadata or {}).get("chunk_type") == "source":
+                embeddings[i] = None
+
         self.create(chunks, embeddings, **kwargs)
 
     def create(self, chunks: list[DocumentChunk], embeddings: list[list[float]], **kwargs):
@@ -72,13 +89,25 @@ class ElasticSearchVector(BaseVector):
         uuids = self._get_uuids(chunks)
         actions = []
         for i, chunk in enumerate(chunks):
+            source = {
+                Field.CONTENT_KEY.value: chunk.page_content,
+                Field.METADATA_KEY.value: chunk.metadata or {},
+                Field.VECTOR.value: embeddings[i] or None
+            }
+            # 写入 QA 相关字段
+            meta = chunk.metadata or {}
+            if meta.get("chunk_type"):
+                source[Field.CHUNK_TYPE.value] = meta["chunk_type"]
+            if meta.get("question"):
+                source[Field.QUESTION.value] = meta["question"]
+            if meta.get("answer"):
+                source[Field.ANSWER.value] = meta["answer"]
+            if meta.get("source_chunk_id"):
+                source[Field.SOURCE_CHUNK_ID.value] = meta["source_chunk_id"]
+
             action = {
                 "_index": self._collection_name,
-                "_source": {
-                    Field.CONTENT_KEY.value: chunk.page_content,
-                    Field.METADATA_KEY.value: chunk.metadata or {},
-                    Field.VECTOR.value: embeddings[i] or None
-                }
+                "_source": source
             }
             actions.append(action)
         # using bulk mode
@@ -113,7 +142,7 @@ class ElasticSearchVector(BaseVector):
 
         return True
 
-    def delete_by_ids(self, ids: list[str]):
+    def delete_by_ids(self, ids: list[str], *, refresh: bool = False):
         if not ids:
             return
         if not self._client.indices.exists(index=self._collection_name):
@@ -134,6 +163,8 @@ class ElasticSearchVector(BaseVector):
             actions = [{"_op_type": "delete", "_index": self._collection_name, "_id": es_id} for es_id in actual_ids]
             try:
                 helpers.bulk(self._client, actions)
+                if refresh:
+                    self._client.indices.refresh(index=self._collection_name)
             except BulkIndexError as e:
                 for error in e.errors:
                     delete_error = error.get('delete', {})
@@ -153,7 +184,7 @@ class ElasticSearchVector(BaseVector):
         else:
             return None
 
-    def delete_by_metadata_field(self, key: str, value: str):
+    def delete_by_metadata_field(self, key: str, value: str, *, refresh: bool = False):
         if not self._client.indices.exists(index=self._collection_name):
             return False
         actual_ids = self.get_ids_by_metadata_field(key, value)
@@ -162,6 +193,8 @@ class ElasticSearchVector(BaseVector):
             actions = [{"_op_type": "delete", "_index": self._collection_name, "_id": es_id} for es_id in actual_ids]
             try:
                 helpers.bulk(self._client, actions)
+                if refresh:
+                    self._client.indices.refresh(index=self._collection_name)
             except BulkIndexError as e:
                 for error in e.errors:
                     delete_error = error.get('delete', {})
@@ -192,6 +225,8 @@ class ElasticSearchVector(BaseVector):
             List of DocumentChunk objects that match the query.
         """
         indices = kwargs.get("indices", self._collection_name)  # Default single index, multiple indexes are also supported, such as "index1, index2, index3"
+        if not self._client.indices.exists(index=indices):
+            return 0, []
 
         # Calculate the start position for the current page
         from_ = pagesize * (page-1)
@@ -226,12 +261,15 @@ class ElasticSearchVector(BaseVector):
             })
 
         # For simplicity, we use from/size here which has a limit (usually up to 10,000).
-        result = self._client.search(
-            index=indices,
-            from_=from_,  # Only use from_ for the first page (simplified)
-            size=pagesize,
-            body=query_str,
-        )
+        try:
+            result = self._client.search(
+                index=indices,
+                from_=from_,  # Only use from_ for the first page (simplified)
+                size=pagesize,
+                body=query_str,
+            )
+        except NotFoundError:
+            return 0, []
 
         if "errors" in result:
             raise ValueError(f"Error during query: {result['errors']}")
@@ -241,10 +279,19 @@ class ElasticSearchVector(BaseVector):
         for res in result["hits"]["hits"]:
             source = res["_source"]
             page_content = source.get(Field.CONTENT_KEY.value)
-            # vector = source.get(Field.VECTOR.value)
             vector = None
             metadata = source.get(Field.METADATA_KEY.value, {})
+            chunk_type = source.get(Field.CHUNK_TYPE.value)
             score = res["_score"]
+
+            # 将 QA 字段注入 metadata 供前端展示
+            if chunk_type:
+                metadata["chunk_type"] = chunk_type
+            if chunk_type == "qa":
+                metadata["question"] = source.get(Field.QUESTION.value, "")
+                metadata["answer"] = source.get(Field.ANSWER.value, "")
+                page_content = f"Q: {metadata['question']}\nA: {metadata['answer']}"
+
             docs_and_scores.append((DocumentChunk(page_content=page_content, vector=vector, metadata=metadata), score))
 
         docs = []
@@ -267,13 +314,18 @@ class ElasticSearchVector(BaseVector):
             List of DocumentChunk objects that match the query.
         """
         indices = kwargs.get("indices", self._collection_name)  # Default single index, multi-index available，etc "index1,index2,index3"
+        if not self._client.indices.exists(index=indices):
+            return 0, []
         query_str = {"query": {"term": {f"{Field.DOC_ID.value}": doc_id}}}
-        result = self._client.search(
-            index=indices,
-            from_=0,  # Only use from_ for the first page (simplified)
-            size=1,
-            body=query_str,
-        )
+        try:
+            result = self._client.search(
+                index=indices,
+                from_=0,  # Only use from_ for the first page (simplified)
+                size=1,
+                body=query_str,
+            )
+        except NotFoundError:
+            return 0, []
         # print(result)
         if "errors" in result:
             raise ValueError(f"Error during query: {result['errors']}")
@@ -308,27 +360,43 @@ class ElasticSearchVector(BaseVector):
         Returns:
             updated count.
         """
-        indices = kwargs.get("indices", self._collection_name)  # Default single index, multi-index available，etc "index1,index2,index3"
-        if self.is_multimodal_embedding:
-            # 火山引擎多模态 Embedding
-            chunk.vector = self.embeddings.embed_text(chunk.page_content)
+        indices = kwargs.get("indices", self._collection_name)
+        chunk_type = (chunk.metadata or {}).get("chunk_type")
+
+        # QA chunk: embedding 基于 question；source chunk: 不更新向量
+        if chunk_type == "source":
+            embed_text = ""
+        elif chunk_type == "qa":
+            embed_text = (chunk.metadata or {}).get("question", chunk.page_content)
         else:
-            chunk.vector = self.embeddings.embed_query(chunk.page_content)
+            embed_text = chunk.page_content
+
+        if chunk_type != "source":
+            if self.is_multimodal_embedding:
+                chunk.vector = self.embeddings.embed_text(embed_text)
+            else:
+                chunk.vector = self.embeddings.embed_query(embed_text)
+
+        script_source = "ctx._source.page_content = params.new_content; ctx._source.vector = params.new_vector;"
+        params = {
+            "new_content": chunk.page_content,
+            "new_vector": chunk.vector if chunk_type != "source" else None
+        }
+
+        # QA chunk: 同时更新 question/answer 字段
+        if chunk_type == "qa":
+            script_source += " ctx._source.question = params.new_question; ctx._source.answer = params.new_answer;"
+            params["new_question"] = (chunk.metadata or {}).get("question", "")
+            params["new_answer"] = (chunk.metadata or {}).get("answer", "")
 
         body = {
             "script": {
-                "source": """
-                        ctx._source.page_content = params.new_content;
-                        ctx._source.vector = params.new_vector;
-                    """,
-                "params": {
-                    "new_content": chunk.page_content,
-                    "new_vector": chunk.vector
-                }
+                "source": script_source,
+                "params": params
             },
             "query": {
                 "term": {
-                    Field.DOC_ID.value: chunk.metadata["doc_id"]  # exact match doc_id
+                    Field.DOC_ID.value: chunk.metadata["doc_id"]
                 }
             }
         }
@@ -336,9 +404,6 @@ class ElasticSearchVector(BaseVector):
             index=indices,
             body=body,
         )
-        # Remove debug printing and use logging instead
-        # print(result)
-        # print(f"Update successful, number of affected documents: {result['updated']}")
         return result['updated']
 
     def change_status_by_document_id(self, document_id: str, status: int, **kwargs) -> str:
@@ -397,11 +462,11 @@ class ElasticSearchVector(BaseVector):
                             }
                         }
                     },
-                    "filter": {  # Add the filter condition of status=1
-                        "term": {
-                            "metadata.status": 1
-                        }
-                    }
+                    "filter": [
+                        {"term": {"metadata.status": 1}},
+                        # 排除 source chunk（仅供 GraphRAG 使用，不参与检索）
+                        {"bool": {"must_not": {"term": {Field.CHUNK_TYPE.value: "source"}}}}
+                    ]
                 }
             }
         # If file_names_filter is passed in, merge the filtering conditions
@@ -415,22 +480,14 @@ class ElasticSearchVector(BaseVector):
                             },
                             "script": {
                                 "source": f"cosineSimilarity(params.query_vector, '{Field.VECTOR.value}') + 1.0",
-                                # The script_score query calculates the cosine similarity between the embedding field of each document and the query vector. The addition of +1.0 is to ensure that the scores returned by the script are non-negative, as the range of cosine similarity is [-1, 1]
                                 "params": {"query_vector": query_vector}
                             }
                         }
                     },
                     "filter": [
-                        {
-                            "term": {
-                                "metadata.status": 1
-                            }
-                        },
-                        {
-                            "terms": {
-                                "metadata.file_name": file_names_filter  # Additional file_name filtering
-                            }
-                        }
+                        {"term": {"metadata.status": 1}},
+                        {"terms": {"metadata.file_name": file_names_filter}},
+                        {"bool": {"must_not": {"term": {Field.CHUNK_TYPE.value: "source"}}}}
                     ],
                 }
             }
@@ -451,8 +508,19 @@ class ElasticSearchVector(BaseVector):
             source = res["_source"]
             page_content = source.get(Field.CONTENT_KEY.value)
             metadata = source.get(Field.METADATA_KEY.value, {})
+            chunk_type = source.get(Field.CHUNK_TYPE.value)
             score = res["_score"]
             score = score / 2  # Normalized [0-1]
+
+            # QA chunk: 返回 Q+A 拼接作为上下文
+            if chunk_type == "qa":
+                question = source.get(Field.QUESTION.value, "")
+                answer = source.get(Field.ANSWER.value, "")
+                page_content = f"Q: {question}\nA: {answer}"
+                metadata["chunk_type"] = "qa"
+                metadata["question"] = question
+                metadata["answer"] = answer
+
             docs_and_scores.append((DocumentChunk(page_content=page_content, metadata=metadata), score))
 
         docs = []
@@ -491,11 +559,10 @@ class ElasticSearchVector(BaseVector):
                         }
                     }
                 },
-                "filter": {  # Add the filter condition of status=1
-                    "term": {
-                        "metadata.status": 1
-                    }
-                }
+                "filter": [
+                    {"term": {"metadata.status": 1}},
+                    {"bool": {"must_not": {"term": {Field.CHUNK_TYPE.value: "source"}}}}
+                ]
             }
         }
 
@@ -512,16 +579,9 @@ class ElasticSearchVector(BaseVector):
                         }
                     },
                     "filter": [
-                        {
-                            "term": {
-                                "metadata.status": 1
-                            }
-                        },
-                        {
-                            "terms": {
-                                "metadata.file_name": file_names_filter  # Additional file_name filtering
-                            }
-                        }
+                        {"term": {"metadata.status": 1}},
+                        {"terms": {"metadata.file_name": file_names_filter}},
+                        {"bool": {"must_not": {"term": {Field.CHUNK_TYPE.value: "source"}}}}
                     ],
                 }
             }
@@ -543,6 +603,17 @@ class ElasticSearchVector(BaseVector):
             source = res["_source"]
             page_content = source.get(Field.CONTENT_KEY.value)
             metadata = source.get(Field.METADATA_KEY.value, {})
+            chunk_type = source.get(Field.CHUNK_TYPE.value)
+
+            # QA chunk: 返回 Q+A 拼接作为上下文
+            if chunk_type == "qa":
+                question = source.get(Field.QUESTION.value, "")
+                answer = source.get(Field.ANSWER.value, "")
+                page_content = f"Q: {question}\nA: {answer}"
+                metadata["chunk_type"] = "qa"
+                metadata["question"] = question
+                metadata["answer"] = answer
+
             # Normalize the score to the [0,1] interval
             normalized_score = res["_score"] / max_score
             docs_and_scores.append((DocumentChunk(page_content=page_content, metadata=metadata), normalized_score))
@@ -652,7 +723,7 @@ class ElasticSearchVector(BaseVector):
                         },
                         Field.VECTOR.value: {
                             "type": "dense_vector",
-                            "dims": len(embeddings[0]),  # Make sure the dimension is correct here,The dimension size of the vector. When index is true, it cannot exceed 1024; when index is false or not specified, it cannot exceed 2048, which can improve retrieval efficiency
+                            "dims": len(next((e for e in embeddings if e is not None), [0]*768)),  # 跳过 None 获取向量维度，fallback 768
                             "index": True,
                             "similarity": "cosine"
                         }

api/app/core/rag/vdb/field.py

@@ -14,3 +14,8 @@ class Field(StrEnum):
     DOCUMENT_ID = "metadata.document_id"
     KNOWLEDGE_ID = "metadata.knowledge_id"
     SORT_ID = "metadata.sort_id"
+    # QA fields
+    CHUNK_TYPE = "chunk_type"  # "chunk" | "source" | "qa"
+    QUESTION = "question"
+    ANSWER = "answer"
+    SOURCE_CHUNK_ID = "source_chunk_id"

api/app/core/rag/vdb/vector_base.py

@@ -27,14 +27,14 @@ class BaseVector(ABC):
         raise NotImplementedError
 
     @abstractmethod
-    def delete_by_ids(self, ids: list[str]):
+    def delete_by_ids(self, ids: list[str], *, refresh: bool = False):
         raise NotImplementedError
 
     def get_ids_by_metadata_field(self, key: str, value: str):
         raise NotImplementedError
 
     @abstractmethod
-    def delete_by_metadata_field(self, key: str, value: str):
+    def delete_by_metadata_field(self, key: str, value: str, *, refresh: bool = False):
         raise NotImplementedError
 
     @abstractmethod

api/app/core/workflow/nodes/code/node.py

@@ -14,7 +14,6 @@ from app.core.workflow.engine.variable_pool import VariablePool
 from app.core.workflow.nodes import BaseNode
 from app.core.workflow.nodes.code.config import CodeNodeConfig
 from app.core.workflow.variable.base_variable import VariableType, DEFAULT_VALUE
-from app.core.config import settings
 
 logger = logging.getLogger(__name__)
 
@@ -132,7 +131,7 @@ class CodeNode(BaseNode):
 
         async with httpx.AsyncClient(timeout=60) as client:
             response = await client.post(
-                f"{settings.SANDBOX_URL}:8194/v1/sandbox/run",
+                "http://sandbox:8194/v1/sandbox/run",
                 headers={
                     "x-api-key": 'redbear-sandbox'
                 },

api/app/core/workflow/nodes/document_extractor/node.py

@@ -182,7 +182,7 @@ class DocExtractorNode(BaseNode):
                                     mime_type=f"image/{ext}",
                                     is_file=True,
                                 ).model_dump())
-                                text = text + f"\n{placeholder}: <img src=\"{url}\" data-url=\"{url}\">"
+                                text = text + f"\n{placeholder}: {url}"
                             except Exception as e:
                                 logger.error(f"Node {self.node_id}: failed to save image {placeholder}: {e}")
 

api/app/models/file_model.py

@@ -15,4 +15,5 @@ class File(Base):
     file_ext = Column(String, index=True, nullable=False, comment="file extension:folder|pdf")
     file_size = Column(Integer, default=0, comment="file size(byte)")
     file_url = Column(String, index=True, nullable=True, comment="file comes from a website url")
+    file_key = Column(String(512), nullable=True, index=True, comment="storage file key for FileStorageService")
     created_at = Column(DateTime, default=datetime.datetime.now)

api/app/schemas/app_schema.py

@@ -250,7 +250,7 @@ class ModelParameters(BaseModel):
     n: int = Field(default=1, ge=1, le=10, description="生成的回复数量")
     stop: Optional[List[str]] = Field(default=None, description="停止序列")
     deep_thinking: bool = Field(default=False, description="是否启用深度思考模式（需模型支持，如 DeepSeek-R1、QwQ 等）")
-    thinking_budget_tokens: Optional[int] = Field(default=None, ge=1, le=131072, description="深度思考 token 预算（仅部分模型支持）")
+    thinking_budget_tokens: Optional[int] = Field(default=None, ge=1024, le=131072, description="深度思考 token 预算（仅部分模型支持）")
     json_output: bool = Field(default=False, description="是否强制 JSON 格式输出（需模型支持 json_output 能力）")
 
 

api/app/schemas/chunk_schema.py

@@ -20,13 +20,26 @@ class ChunkCreate(BaseModel):
 
     @property
     def chunk_content(self) -> str:
-        """
-        Get the actual content string regardless of input type
-        """
+        """Get the actual content string regardless of input type"""
         if isinstance(self.content, QAChunk):
-            return f"question: {self.content.question} answer: {self.content.answer}"
+            return self.content.question  # QA 模式下 page_content 存 question
         return self.content
 
+    @property
+    def is_qa(self) -> bool:
+        return isinstance(self.content, QAChunk)
+
+    @property
+    def qa_metadata(self) -> dict:
+        """返回 QA 相关的 metadata 字段"""
+        if isinstance(self.content, QAChunk):
+            return {
+                "chunk_type": "qa",
+                "question": self.content.question,
+                "answer": self.content.answer,
+            }
+        return {}
+
 
 class ChunkUpdate(BaseModel):
     content: Union[str, QAChunk] = Field(
@@ -35,13 +48,26 @@ class ChunkUpdate(BaseModel):
 
     @property
     def chunk_content(self) -> str:
-        """
-        Get the actual content string regardless of input type
-        """
+        """Get the actual content string regardless of input type"""
         if isinstance(self.content, QAChunk):
-            return f"question: {self.content.question} answer: {self.content.answer}"
+            return self.content.question  # QA 模式下 page_content 存 question
         return self.content
 
+    @property
+    def is_qa(self) -> bool:
+        return isinstance(self.content, QAChunk)
+
+    @property
+    def qa_metadata(self) -> dict:
+        """返回 QA 相关的 metadata 字段"""
+        if isinstance(self.content, QAChunk):
+            return {
+                "chunk_type": "qa",
+                "question": self.content.question,
+                "answer": self.content.answer,
+            }
+        return {}
+
 
 class ChunkRetrieve(BaseModel):
     query: str
@@ -51,3 +77,8 @@ class ChunkRetrieve(BaseModel):
     vector_similarity_weight: float | None = Field(None)
     top_k: int | None = Field(None)
     retrieve_type: RetrieveType | None = Field(None)
+
+
+class ChunkBatchCreate(BaseModel):
+    """批量创建 chunk"""
+    items: list[ChunkCreate] = Field(..., min_length=1, description="chunk 列表")

api/app/schemas/file_schema.py

@@ -11,6 +11,7 @@ class FileBase(BaseModel):
     file_ext: str
     file_size: int
     file_url: str | None = None
+    file_key: str | None = None
     created_at: datetime.datetime | None = None
 
 

api/app/services/app_chat_service.py

@@ -161,10 +161,7 @@ class AppChatService:
                 f.type == FileType.DOCUMENT for f in files
             ):
                 system_prompt += (
-                    "\n\n文档文字中包含图片位置标记如 [图片 第2页 第1张]: <img src=\"url\"...>，"
-                    "请在回答中用 Markdown 格式 ![图片描述](url) 展示对应图片。"
-                    "重要：图片 URL 中包含 UUID（如 /storage/permanent/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx），"
-                    "必须将 src 属性的值原封不动复制到 Markdown 的括号中，不得增删任何字符。"
+                    "\n\n文档文字中包含图片位置标记如 [图片 第2页 第1张]: http://...，请在回答中用 Markdown 格式 ![图片描述](url) 展示对应图片。"
                 )
 
         # 创建 LangChain Agent
@@ -451,10 +448,7 @@ class AppChatService:
                 ):
                     from langchain.agents import create_agent
                     system_prompt += (
-                        "\n\n文档文字中包含图片位置标记如 [图片 第2页 第1张]: <img src=\"url\"...>，"
-                        "请在回答中用 Markdown 格式 ![图片描述](url) 展示对应图片。"
-                        "重要：图片 URL 中包含 UUID（如 /storage/permanent/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx），"
-                        "必须将 src 属性的值原封不动复制到 Markdown 的括号中，不得增删任何字符。"
+                        "\n\n文档文字中包含图片位置标记如 [图片 第2页 第1张]: http://...，请在回答中用 Markdown 格式 ![图片描述](url) 展示对应图片。"
                     )
 
             # 创建 LangChain Agent

api/app/services/draft_run_service.py

@@ -650,10 +650,7 @@ class AgentRunService:
                 )
             if has_doc_with_images:
                 system_prompt += (
-                    "\n\n文档文字中包含图片位置标记如 [图片 第2页 第1张]: <img src=\"url\"...>，"
-                    "请在回答中用 Markdown 格式 ![图片描述](url) 展示对应图片。"
-                    "重要：图片 URL 中包含 UUID（如 /storage/permanent/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx），"
-                    "必须将 src 属性的值原封不动复制到 Markdown 的括号中，不得增删任何字符。"
+                    "\n\n文档文字中包含图片位置标记如 [图片 第2页 第1张]: http://...，请在回答中用 Markdown 格式 ![图片描述](url) 展示对应图片。"
                 )
 
             agent = LangChainAgent(
@@ -927,10 +924,7 @@ class AgentRunService:
                 )
             if has_doc_with_images:
                 system_prompt += (
-                    "\n\n文档文字中包含图片位置标记如 [图片 第2页 第1张]: <img src=\"url\"...>，"
-                    "请在回答中用 Markdown 格式 ![图片描述](url) 展示对应图片。"
-                    "重要：图片 URL 中包含 UUID（如 /storage/permanent/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx），"
-                    "必须将 src 属性的值原封不动复制到 Markdown 的括号中，不得增删任何字符。"
+                    "\n\n文档文字中包含图片位置标记如 [图片 第2页 第1张]: http://...，请在回答中用 Markdown 格式 ![图片描述](url) 展示对应图片。"
                 )
 
             # 创建 LangChain Agent

api/app/services/file_storage_service.py

@@ -34,26 +34,7 @@ def generate_file_key(
     Generate a unique file key for storage.
 
     The file key follows the format: {tenant_id}/{workspace_id}/{file_id}{file_ext}
-
-    Args:
-        tenant_id: The tenant UUID.
-        workspace_id: The workspace UUID.
-        file_id: The file UUID.
-        file_ext: The file extension (e.g., '.pdf', '.txt').
-
-    Returns:
-        A unique file key string.
-
-    Example:
-        >>> generate_file_key(
-        ...     uuid.UUID('550e8400-e29b-41d4-a716-446655440000'),
-        ...     uuid.UUID('660e8400-e29b-41d4-a716-446655440001'),
-        ...     uuid.UUID('770e8400-e29b-41d4-a716-446655440002'),
-        ...     '.pdf'
-        ... )
-        '550e8400-e29b-41d4-a716-446655440000/660e8400-e29b-41d4-a716-446655440001/770e8400-e29b-41d4-a716-446655440002.pdf'
     """
-    # Ensure file_ext starts with a dot
     if file_ext and not file_ext.startswith('.'):
         file_ext = f'.{file_ext}'
     if workspace_id:
@@ -61,6 +42,21 @@ def generate_file_key(
     return f"{tenant_id}/{file_id}{file_ext}"
 
 
+def generate_kb_file_key(
+    kb_id: uuid.UUID,
+    file_id: uuid.UUID,
+    file_ext: str,
+) -> str:
+    """
+    Generate a file key for knowledge base files.
+
+    Format: kb/{kb_id}/{file_id}{file_ext}
+    """
+    if file_ext and not file_ext.startswith('.'):
+        file_ext = f'.{file_ext}'
+    return f"kb/{kb_id}/{file_id}{file_ext}"
+
+
 class FileStorageService:
     """
     High-level service for file storage operations.

api/app/services/multimodal_service.py

@@ -400,7 +400,7 @@ class MultimodalService:
                                 # 在文本内容中追加图片位置标记
                                 if result and result[-1].get("type") in ("text", "document"):
                                     key = "text" if "text" in result[-1] else list(result[-1].keys())[-1]
-                                    result[-1][key] = result[-1].get(key, "") + f"\n[图片 {placeholder}]: <img src=\"{img_url}\" data-url=\"{img_url}\">"
+                                    result[-1][key] = result[-1].get(key, "") + f"\n[图片 {placeholder}]: {img_url}"
                                 # 将图片以视觉格式追加到消息内容中
                                 img_file = FileInput(
                                     type=FileType.IMAGE,

api/app/services/workflow_service.py

@@ -554,16 +554,13 @@ class WorkflowService:
                     }
                 }
             case "workflow_end":
-                data = {
-                    "elapsed_time": payload.get("elapsed_time"),
-                    "message_length": len(payload.get("output", "")),
-                    "error": payload.get("error", "")
-                }
-                if "citations" in payload and payload["citations"]:
-                    data["citations"] = payload["citations"]
                 return {
                     "event": "end",
-                    "data": data
+                    "data": {
+                        "elapsed_time": payload.get("elapsed_time"),
+                        "message_length": len(payload.get("output", "")),
+                        "error": payload.get("error", "")
+                    }
                 }
             case "node_start" | "node_end" | "node_error" | "cycle_item":
                 return None

api/app/services/workspace_service.py

@@ -20,7 +20,6 @@ from app.models.workspace_model import (
 )
 from app.repositories import workspace_repository
 from app.repositories.workspace_invite_repository import WorkspaceInviteRepository
-from app.services.session_service import SessionService
 from app.schemas.workspace_schema import (
     InviteAcceptRequest,
     InviteValidateResponse,
@@ -59,7 +58,7 @@ def switch_workspace(
         raise BusinessException(f"切换工作空间失败: {str(e)}", BizCode.INTERNAL_ERROR)
 
 
-async def delete_workspace_member(
+def delete_workspace_member(
         db: Session,
         workspace_id: uuid.UUID,
         member_id: uuid.UUID,
@@ -77,29 +76,10 @@ async def delete_workspace_member(
                                 BizCode.WORKSPACE_NOT_FOUND)
 
     try:
-        deleted_user = workspace_member.user
         workspace_member.is_active = False
-        deleted_user.current_workspace_id = None
-
-        # 若被删除成员不是超级管理员且没有其他可用工作空间，则禁用该用户
-        if not deleted_user.is_superuser:
-            remaining = (
-                db.query(WorkspaceMember)
-                .filter(
-                    WorkspaceMember.user_id == deleted_user.id,
-                    WorkspaceMember.workspace_id != workspace_id,
-                    WorkspaceMember.is_active.is_(True),
-                )
-                .count()
-            )
-            if remaining == 0:
-                deleted_user.is_active = False
-
+        workspace_member.user.current_workspace_id = None
         db.commit()
         business_logger.info(f"用户 {user.username} 成功删除工作空间 {workspace_id} 的成员 {member_id}")
-
-        # 使被删除成员的所有 token 立即失效
-        await SessionService.invalidate_all_user_tokens(str(workspace_member.user_id))
     except Exception as e:
         db.rollback()
         business_logger.error(f"删除工作空间成员失败 - 工作空间: {workspace_id}, 成员: {member_id}, 错误: {str(e)}")

api/app/tasks.py

@@ -30,7 +30,7 @@ from app.core.rag.llm.cv_model import QWenCV
 from app.core.rag.llm.embedding_model import OpenAIEmbed
 from app.core.rag.llm.sequence2txt_model import QWenSeq2txt
 from app.core.rag.models.chunk import DocumentChunk
-from app.core.rag.prompts.generator import question_proposal
+from app.core.rag.prompts.generator import question_proposal, qa_proposal
 from app.core.rag.vdb.elasticsearch.elasticsearch_vector import (
     ElasticSearchVectorFactory,
 )
@@ -210,9 +210,14 @@ def _build_vision_model(file_path: str, db_knowledge):
 
 
 @celery_app.task(name="app.core.rag.tasks.parse_document")
-def parse_document(file_path: str, document_id: uuid.UUID):
+def parse_document(file_key: str, document_id: uuid.UUID, file_name: str = ""):
     """
-    Document parsing, vectorization, and storage
+    Document parsing, vectorization, and storage.
+    
+    Args:
+        file_key: Storage key for FileStorageService (e.g. "kb/{kb_id}/{file_id}.docx")
+        document_id: Document UUID
+        file_name: Original file name (used for extension detection in chunk())
     """
 
     db_document = None
@@ -223,7 +228,6 @@ def parse_document(file_path: str, document_id: uuid.UUID):
 
     with get_db_context() as db:
       try:
-        # Celery JSON 序列化会将 UUID 转为字符串，需要确保类型正确
         if not isinstance(document_id, uuid.UUID):
             document_id = uuid.UUID(str(document_id))
 
@@ -234,7 +238,11 @@ def parse_document(file_path: str, document_id: uuid.UUID):
         if db_knowledge is None:
             raise ValueError(f"Knowledge {db_document.kb_id} not found")
 
-        # 1. Document parsing & segmentation
+        # Use file_name from argument or fall back to document record
+        if not file_name:
+            file_name = db_document.file_name
+
+        # 1. Download file from storage backend
         progress_lines.append(f"{datetime.now().strftime('%H:%M:%S')} Start to parse.")
         start_time = time.time()
         db_document.progress = 0.0
@@ -245,45 +253,36 @@ def parse_document(file_path: str, document_id: uuid.UUID):
         db.commit()
         db.refresh(db_document)
 
+        # Read file content from storage backend (no NFS dependency)
+        from app.services.file_storage_service import FileStorageService
+        import asyncio
+        storage_service = FileStorageService()
+
+        async def _download():
+            return await storage_service.download_file(file_key)
+
+        try:
+            file_binary = asyncio.run(_download())
+        except RuntimeError:
+            # If there's already a running loop (e.g. in some worker configurations)
+            loop = asyncio.new_event_loop()
+            try:
+                file_binary = loop.run_until_complete(_download())
+            finally:
+                loop.close()
+        if not file_binary:
+            raise IOError(f"Downloaded empty file from storage: {file_key}")
+        logger.info(f"[ParseDoc] Downloaded {len(file_binary)} bytes from storage key: {file_key}")
+
         def progress_callback(prog=None, msg=None):
             progress_lines.append(f"{datetime.now().strftime('%H:%M:%S')} parse progress: {prog} msg: {msg}.")
 
         # Prepare vision_model for parsing
-        vision_model = _build_vision_model(file_path, db_knowledge)
-
-        # 先将文件读入内存，避免解析过程中依赖 NFS 文件持续可访问
-        # python-docx 等库在 binary=None 时会用路径直接打开文件，
-        # 在 NFS/共享存储上可能因缓存失效导致 "Package not found"
-        max_wait_seconds = 30
-        wait_interval = 2
-        waited = 0
-        file_binary = None
-        while waited <= max_wait_seconds:
-            # os.listdir 强制 NFS 客户端刷新目录缓存
-            parent_dir = os.path.dirname(file_path)
-            try:
-                os.listdir(parent_dir)
-            except OSError:
-                pass
-            try:
-                with open(file_path, "rb") as f:
-                    file_binary = f.read()
-                if not file_binary:
-                    # NFS 上文件存在但内容为空（可能还在同步中）
-                    raise IOError(f"File is empty (0 bytes), NFS may still be syncing: {file_path}")
-                break
-            except (FileNotFoundError, IOError) as e:
-                if waited >= max_wait_seconds:
-                    raise type(e)(
-                        f"File not accessible at '{file_path}' after waiting {max_wait_seconds}s: {e}"
-                    )
-                logger.warning(f"File not ready on this node, retrying in {wait_interval}s: {file_path} ({e})")
-                time.sleep(wait_interval)
-                waited += wait_interval
+        vision_model = _build_vision_model(file_name, db_knowledge)
 
         from app.core.rag.app.naive import chunk
         logger.info(f"[ParseDoc] file_binary size={len(file_binary)} bytes, type={type(file_binary).__name__}, bool={bool(file_binary)}")
-        res = chunk(filename=file_path,
+        res = chunk(filename=file_name,
                     binary=file_binary,
                     from_page=0,
                     to_page=DEFAULT_PARSE_TO_PAGE,
@@ -312,6 +311,7 @@ def parse_document(file_path: str, document_id: uuid.UUID):
             vector_service.delete_by_metadata_field(key="document_id", value=str(document_id))
             # 2.2 Vectorize and import batch documents
             auto_questions_topn = db_document.parser_config.get("auto_questions", 0)
+            qa_prompt = db_document.parser_config.get("qa_prompt", None)
             chat_model = None
             if auto_questions_topn:
                 chat_model = Base(
@@ -319,62 +319,123 @@ def parse_document(file_path: str, document_id: uuid.UUID):
                     model_name=db_knowledge.llm.api_keys[0].model_name,
                     base_url=db_knowledge.llm.api_keys[0].api_base,
                 )
+                logger.info(f"[QA] LLM model: {db_knowledge.llm.api_keys[0].model_name}, base_url: {db_knowledge.llm.api_keys[0].api_base}")
+                if qa_prompt:
+                    logger.info(f"[QA] Using custom prompt ({len(qa_prompt)} chars)")
 
             # 预先构建所有 batch 的 chunks，保证 sort_id 全局有序
             all_batch_chunks: list[list[DocumentChunk]] = []
 
             if auto_questions_topn:
-                # auto_questions 开启：先并发生成所有 chunk 的问题，再按 batch 分组
-                # 构建 (global_idx, item) 列表
+                # QA 模式（FastGPT 方案）：
+                # 1. 原 chunk 标记为 source（保留供 GraphRAG 使用，不参与检索）
+                # 2. LLM 生成 QA 对，每个 QA 对独立存储为 qa chunk
                 indexed_items = list(enumerate(res))
 
-                def _generate_question(idx_item: tuple[int, dict]) -> tuple[int, str]:
-                    """为单个 chunk 生成问题（带缓存），返回 (global_idx, question_text)"""
+                def _generate_qa(idx_item: tuple[int, dict]) -> tuple[int, list]:
+                    """为单个 chunk 生成 QA 对（带缓存），返回 (global_idx, qa_pairs)"""
                     global_idx, item = idx_item
                     content = item["content_with_weight"]
-                    cached = get_llm_cache(chat_model.model_name, content, "question",
-                                           {"topn": auto_questions_topn})
+                    cache_params = {"topn": auto_questions_topn}
+                    if qa_prompt:
+                        import hashlib
+                        cache_params["prompt_hash"] = hashlib.md5(qa_prompt.encode()).hexdigest()[:8]
+                    cached = get_llm_cache(chat_model.model_name, content, "qa", cache_params)
                     if not cached:
-                        cached = question_proposal(chat_model, content, auto_questions_topn)
-                        set_llm_cache(chat_model.model_name, content, cached, "question",
-                                      {"topn": auto_questions_topn})
-                    return global_idx, cached
+                        logger.info(f"[QA] Cache miss for chunk {global_idx}, calling LLM. cache_params={cache_params}")
+                        try:
+                            pairs = qa_proposal(chat_model, content, auto_questions_topn, custom_prompt=qa_prompt)
+                        except Exception as e:
+                            logger.error(f"[QA] LLM call failed: model={chat_model.model_name}, base_url={getattr(chat_model, 'base_url', 'N/A')}, error={e}")
+                            return global_idx, []
+                        logger.info(f"[QA] Chunk {global_idx} generated {len(pairs)} QA pairs")
+                        # 缓存存 JSON 字符串
+                        set_llm_cache(chat_model.model_name, content, json.dumps(pairs, ensure_ascii=False), "qa",
+                                      cache_params)
+                        return global_idx, pairs
+                    logger.info(f"[QA] Cache hit for chunk {global_idx}, cache_params={cache_params}, cached_type={type(cached).__name__}")
+                    # 从缓存读取：可能是 JSON 字符串或旧格式纯文本
+                    if isinstance(cached, str):
+                        try:
+                            parsed = json.loads(cached)
+                            if isinstance(parsed, list):
+                                logger.info(f"[QA] Chunk {global_idx} loaded {len(parsed)} QA pairs from cache")
+                                return global_idx, parsed
+                        except (json.JSONDecodeError, TypeError):
+                            pass
+                        # 旧缓存格式（纯文本问题），尝试解析
+                        from app.core.rag.prompts.generator import parse_qa_pairs
+                        return global_idx, parse_qa_pairs(cached) if cached else []
+                    return global_idx, cached if isinstance(cached, list) else []
 
-                # 并发调用 LLM 生成问题
-                question_map: dict[int, str] = {}
+                # 并发调用 LLM 生成 QA 对
+                qa_map: dict[int, list] = {}
                 with ThreadPoolExecutor(max_workers=AUTO_QUESTIONS_MAX_WORKERS) as q_executor:
-                    futures = {q_executor.submit(_generate_question, item): item[0]
+                    futures = {q_executor.submit(_generate_qa, item): item[0]
                                for item in indexed_items}
                     for future in futures:
-                        global_idx, cached = future.result()
-                        question_map[global_idx] = cached
+                        global_idx, pairs = future.result()
+                        qa_map[global_idx] = pairs
 
                 progress_lines.append(
-                    f"{datetime.now().strftime('%H:%M:%S')} Auto questions generated for {total_chunks} chunks "
+                    f"{datetime.now().strftime('%H:%M:%S')} QA pairs generated for {total_chunks} chunks "
                     f"(workers={AUTO_QUESTIONS_MAX_WORKERS}).")
 
-                # 按 batch 分组组装 DocumentChunk
-                for batch_start in range(0, total_chunks, EMBEDDING_BATCH_SIZE):
-                    batch_end = min(batch_start + EMBEDDING_BATCH_SIZE, total_chunks)
-                    chunks = []
-                    for global_idx in range(batch_start, batch_end):
-                        item = res[global_idx]
-                        metadata = {
+                # 组装 chunks：source chunks + qa chunks
+                source_chunks = []
+                qa_chunks = []
+                qa_sort_id = 0
+
+                for global_idx in range(total_chunks):
+                    item = res[global_idx]
+                    source_chunk_id = uuid.uuid4().hex
+
+                    # source chunk：保留原文，供 GraphRAG 使用，不参与向量检索
+                    source_meta = {
+                        "doc_id": source_chunk_id,
+                        "file_id": str(db_document.file_id),
+                        "file_name": db_document.file_name,
+                        "file_created_at": int(db_document.created_at.timestamp() * 1000),
+                        "document_id": str(db_document.id),
+                        "knowledge_id": str(db_document.kb_id),
+                        "sort_id": global_idx,
+                        "status": 1,
+                        "chunk_type": "source",
+                    }
+                    source_chunks.append(
+                        DocumentChunk(page_content=item["content_with_weight"], metadata=source_meta))
+
+                    # qa chunks：每个 QA 对独立存储
+                    pairs = qa_map.get(global_idx, [])
+                    for pair in pairs:
+                        qa_meta = {
                             "doc_id": uuid.uuid4().hex,
                             "file_id": str(db_document.file_id),
                             "file_name": db_document.file_name,
                             "file_created_at": int(db_document.created_at.timestamp() * 1000),
                             "document_id": str(db_document.id),
                             "knowledge_id": str(db_document.kb_id),
-                            "sort_id": global_idx,
+                            "sort_id": qa_sort_id,
                             "status": 1,
+                            "chunk_type": "qa",
+                            "question": pair["question"],
+                            "answer": pair["answer"],
+                            "source_chunk_id": source_chunk_id,
                         }
-                        cached = question_map[global_idx]
-                        chunks.append(
-                            DocumentChunk(
-                                page_content=f"question: {cached} answer: {item['content_with_weight']}",
-                                metadata=metadata))
-                    all_batch_chunks.append(chunks)
+                        # page_content 存 question，用于向量索引
+                        qa_chunks.append(
+                            DocumentChunk(page_content=pair["question"], metadata=qa_meta))
+                        qa_sort_id += 1
+
+                # 按 batch 分组（source + qa 一起）
+                all_chunks = source_chunks + qa_chunks
+                for batch_start in range(0, len(all_chunks), EMBEDDING_BATCH_SIZE):
+                    batch_end = min(batch_start + EMBEDDING_BATCH_SIZE, len(all_chunks))
+                    all_batch_chunks.append(all_chunks[batch_start:batch_end])
+
+                progress_lines.append(
+                    f"{datetime.now().strftime('%H:%M:%S')} QA mode: {len(source_chunks)} source chunks + "
+                    f"{len(qa_chunks)} QA chunks prepared.")
             else:
                 # 无 auto_questions：直接构建 chunks
                 for batch_start in range(0, total_chunks, EMBEDDING_BATCH_SIZE):
@@ -636,6 +697,136 @@ def build_graphrag_for_document(document_id: str, knowledge_id: str):
             return f"build_graphrag_for_document '{document_id}' failed: {e}"
 
 
+@celery_app.task(name="app.core.rag.tasks.import_qa_chunks", queue="qa_import")
+def import_qa_chunks(kb_id: str, document_id: str, filename: str, contents: bytes):
+    """
+    异步导入 QA 问答对（CSV/Excel）
+    
+    文件格式：第一行标题（跳过），第一列问题，第二列答案
+    """
+    import csv as csv_module
+    import io
+
+    db = None
+    try:
+        from app.db import get_db_context
+        with get_db_context() as db:
+            db_document = db.query(Document).filter(Document.id == uuid.UUID(document_id)).first()
+            db_knowledge = db.query(Knowledge).filter(Knowledge.id == uuid.UUID(kb_id)).first()
+            if not db_document or not db_knowledge:
+                logger.error(f"[ImportQA] document={document_id} or knowledge={kb_id} not found")
+                return {"error": "document or knowledge not found", "imported": 0}
+
+            # 1. 解析文件
+            qa_pairs = []
+            failed_rows = []
+
+            if filename.endswith(".csv"):
+                try:
+                    text = contents.decode("utf-8-sig")
+                except UnicodeDecodeError:
+                    text = contents.decode("gbk", errors="ignore")
+
+                sniffer = csv_module.Sniffer()
+                try:
+                    dialect = sniffer.sniff(text[:2048])
+                    delimiter = dialect.delimiter
+                except csv_module.Error:
+                    delimiter = "," if "," in text[:500] else "\t"
+
+                reader = csv_module.reader(io.StringIO(text), delimiter=delimiter)
+                for i, row in enumerate(reader):
+                    if i == 0:
+                        continue
+                    if len(row) >= 2 and row[0].strip() and row[1].strip():
+                        qa_pairs.append({"question": row[0].strip(), "answer": row[1].strip()})
+                    elif len(row) >= 1 and row[0].strip():
+                        failed_rows.append(i + 1)
+
+            elif filename.endswith(".xlsx") or filename.endswith(".xls"):
+                try:
+                    import openpyxl
+                    wb = openpyxl.load_workbook(io.BytesIO(contents), read_only=True)
+                    for sheet in wb.worksheets:
+                        for i, row in enumerate(sheet.iter_rows(values_only=True)):
+                            if i == 0:
+                                continue
+                            if len(row) >= 2 and row[0] and row[1]:
+                                q = str(row[0]).strip()
+                                a = str(row[1]).strip()
+                                if q and a:
+                                    qa_pairs.append({"question": q, "answer": a})
+                            elif len(row) >= 1 and row[0]:
+                                failed_rows.append(i + 1)
+                    wb.close()
+                except Exception as e:
+                    logger.error(f"[ImportQA] Excel parse failed: {e}")
+                    return {"error": f"Excel parse failed: {e}", "imported": 0}
+
+            if not qa_pairs:
+                logger.warning(f"[ImportQA] No valid QA pairs found in {filename}")
+                return {"error": "No valid QA pairs found", "imported": 0}
+
+            logger.info(f"[ImportQA] Parsed {len(qa_pairs)} QA pairs from {filename}, failed_rows={failed_rows}")
+
+            # 2. 写入 ES
+            vector_service = ElasticSearchVectorFactory().init_vector(knowledge=db_knowledge)
+
+            sort_id = 0
+            total, items = vector_service.search_by_segment(document_id=document_id, pagesize=1, page=1, asc=False)
+            if items:
+                sort_id = items[0].metadata["sort_id"]
+
+            chunks = []
+            for pair in qa_pairs:
+                sort_id += 1
+                doc_id = uuid.uuid4().hex
+                metadata = {
+                    "doc_id": doc_id,
+                    "file_id": str(db_document.file_id),
+                    "file_name": db_document.file_name,
+                    "file_created_at": int(db_document.created_at.timestamp() * 1000),
+                    "document_id": document_id,
+                    "knowledge_id": kb_id,
+                    "sort_id": sort_id,
+                    "status": 1,
+                    "chunk_type": "qa",
+                    "question": pair["question"],
+                    "answer": pair["answer"],
+                }
+                chunks.append(DocumentChunk(page_content=pair["question"], metadata=metadata))
+
+            batch_size = 50
+            for i in range(0, len(chunks), batch_size):
+                batch = chunks[i:i + batch_size]
+                vector_service.add_chunks(batch)
+
+            # 3. 更新 chunk_num 和 progress
+            db_document.chunk_num += len(chunks)
+            db_document.progress = 1.0
+            db_document.progress_msg = f"QA 导入完成: {len(chunks)} 条"
+            db.commit()
+
+            result = {"imported": len(chunks), "failed_rows": failed_rows}
+            logger.info(f"[ImportQA] Done: imported={len(chunks)}, failed={len(failed_rows)}")
+            return result
+
+    except Exception as e:
+        logger.error(f"[ImportQA] Failed: {e}", exc_info=True)
+        # 尝试更新文档状态为失败
+        try:
+            from app.db import get_db_context
+            with get_db_context() as err_db:
+                doc = err_db.query(Document).filter(Document.id == uuid.UUID(document_id)).first()
+                if doc:
+                    doc.progress = -1.0
+                    doc.progress_msg = f"QA 导入失败: {str(e)[:200]}"
+                    err_db.commit()
+        except Exception:
+            pass
+        return {"error": str(e), "imported": 0}
+
+
 @celery_app.task(name="app.core.rag.tasks.sync_knowledge_for_kb")
 def sync_knowledge_for_kb(kb_id: uuid.UUID):
     """

web/src/components/Chat/ChatContent.tsx

@@ -8,11 +8,12 @@ import { type FC, useRef, useEffect, useState } from 'react'
 import clsx from 'clsx'
 import Markdown from '@/components/Markdown'
 import type { ChatContentProps } from './types'
-import { Spin, Flex, Button } from 'antd'
+import { Spin, Image, Flex, Button } from 'antd'
 import { SoundOutlined } from '@ant-design/icons'
 import { useTranslation } from 'react-i18next'
 
-import MessageFiles from './MessageFiles'
+import AudioPlayer from './AudioPlayer'
+import VideoPlayer from './VideoPlayer'
 
 const getFileUrl = (file: any) => {
   return file.thumbUrl || file.url || (file.originFileObj ? URL.createObjectURL(file.originFileObj) : undefined)
@@ -148,7 +149,72 @@ const ChatContent: FC<ChatContentProps> = ({
                     {labelFormat(item)}
                   </div>
                 }
-                <MessageFiles files={item.meta_data?.files ?? []} contentClassNames={contentClassNames} onDownload={handleDownload} />
+                {item?.meta_data?.files && item.meta_data?.files.length > 0 && <Flex gap={8} vertical align="end" className="rb:mb-2!">
+                  {item.meta_data?.files?.map((file) => {
+                    if (file.type.includes('image')) {
+                      return (
+                        <div key={file.url || file.uid} className={`rb:inline-block rb:group rb:relative rb:rounded-lg ${contentClassNames}`}>
+                          <Image src={getFileUrl(file)} alt={file.name} className="rb:w-full rb:max-w-80 rb:rounded-lg rb:object-cover rb:cursor-pointer" />
+                        </div>
+                      )
+                    }
+                    if (file.type.includes('video')) {
+                      return (
+                        <div key={file.url || file.uid} className="rb:w-50">
+                          {/* <video src={getFileUrl(file)} controls className="rb:max-w-80 rb:rounded-lg rb:object-cover rb:cursor-pointer" /> */}
+                          <VideoPlayer key={file.url || file.uid} src={getFileUrl(file)} />
+                        </div>
+                      )
+                    }
+                    if (file.type.includes('audio')) {
+                      return (
+                        <div key={file.url || file.uid} className="rb:w-50">
+                          <AudioPlayer key={file.url || file.uid} src={getFileUrl(file)} />
+                        </div>
+                      )
+                    }
+
+                    const documentType = (file.file_type || file.type)?.split('/')
+                    return (
+                      <Flex
+                        key={file.url || file.uid}
+                        align="center"
+                        gap={10}
+                        className="rb:text-left rb:w-45 rb:text-[12px] rb:group rb:relative rb:rounded-lg rb-border rb:py-2! rb:px-2.5! rb:border rb:border-[#F6F6F6]"
+                        onClick={() => handleDownload(file)}
+                      >
+                        <div
+                          className={clsx(
+                            "rb:size-5 rb:cursor-pointer rb:bg-cover rb:bg-[url('@/assets/images/conversation/pdf_disabled.svg')]",
+                            file.type?.includes('pdf')
+                              ? "rb:bg-[url('@/assets/images/file/pdf.svg')]"
+                              : (file.type?.includes('excel') || file.type?.includes('spreadsheetml.sheet')) || file.type?.includes('xls') || file.type?.includes('xlsx')
+                                ? "rb:bg-[url('@/assets/images/file/excel.svg')]"
+                                : file.type?.includes('csv')
+                                  ? "rb:bg-[url('@/assets/images/file/csv.svg')]"
+                                  : file.type?.includes('html')
+                                    ? "rb:bg-[url('@/assets/images/file/html.svg')]"
+                                    : file.type?.includes('json')
+                                      ? "rb:bg-[url('@/assets/images/file/json.svg')]"
+                                      : file.type?.includes('ppt')
+                                        ? "rb:bg-[url('@/assets/images/file/ppt.svg')]"
+                                        : file.type?.includes('markdown')
+                                          ? "rb:bg-[url('@/assets/images/file/md.svg')]"
+                                          : file.type?.includes('text')
+                                            ? "rb:bg-[url('@/assets/images/file/txt.svg')]"
+                                            : (file.type?.includes('doc') || file.type?.includes('docx') || file.type?.includes('word') || file.type?.includes('wordprocessingml.document'))
+                                              ? "rb:bg-[url('@/assets/images/file/word.svg')]"
+                                              : "rb:bg-[url('@/assets/images/file/txt.svg')]"
+                          )}
+                        ></div>
+                        <div className="rb:flex-1 rb:w-32.5">
+                          <div className="rb:leading-4 rb:text-ellipsis rb:overflow-hidden rb:whitespace-nowrap">{file.name}</div>
+                          <div className="rb:leading-3.5 rb:mt-0.5 rb:text-[#5B6167] rb:text-ellipsis rb:overflow-hidden rb:whitespace-nowrap">{documentType?.[documentType.length - 1]} · {file.size}</div>
+                        </div>
+                      </Flex>
+                    )
+                  })}
+                </Flex>}
                 {/* Message bubble */}
                 <div className={clsx('rb:text-left rb:leading-5 rb:inline-block rb:wrap-break-word rb:relative', item.role === 'user' ? contentClassNames : '', {
                   // Error message style (content is null and not assistant message)

web/src/components/Chat/MessageFiles.tsx

@@ -1,87 +0,0 @@
-import { Image, Flex } from 'antd'
-import clsx from 'clsx'
-import AudioPlayer from './AudioPlayer'
-import VideoPlayer from './VideoPlayer'
-
-const getFileUrl = (file: any) =>
-  file.thumbUrl || file.url || (file.originFileObj ? URL.createObjectURL(file.originFileObj) : undefined)
-
-const DOC_ICONS: [string[], string][] = [
-  [['pdf'], "rb:bg-[url('@/assets/images/file/pdf.svg')]"],
-  [['excel', 'spreadsheetml.sheet', 'xls', 'xlsx'], "rb:bg-[url('@/assets/images/file/excel.svg')]"],
-  [['csv'], "rb:bg-[url('@/assets/images/file/csv.svg')]"],
-  [['html'], "rb:bg-[url('@/assets/images/file/html.svg')]"],
-  [['json'], "rb:bg-[url('@/assets/images/file/json.svg')]"],
-  [['ppt'], "rb:bg-[url('@/assets/images/file/ppt.svg')]"],
-  [['markdown'], "rb:bg-[url('@/assets/images/file/md.svg')]"],
-  [['text'], "rb:bg-[url('@/assets/images/file/txt.svg')]"],
-  [['doc', 'docx', 'word', 'wordprocessingml.document'], "rb:bg-[url('@/assets/images/file/word.svg')]"],
-]
-
-const getDocIcon = (parts: string[]) => {
-  const match = DOC_ICONS.find(([keys]) => keys.some(k => parts.includes(k)))
-  return match ? match[1] : "rb:bg-[url('@/assets/images/file/txt.svg')]"
-}
-
-interface MessageFilesProps {
-  files: any[]
-  contentClassNames?: string | Record<string, boolean>
-  onDownload: (file: any) => void
-}
-
-const MessageFiles = ({ files, contentClassNames, onDownload }: MessageFilesProps) => {
-  if (!files?.length) return null
-  return (
-    <Flex gap={8} vertical align="end" className="rb:mb-2!">
-      {files.map((file) => {
-        const key = file.url || file.uid
-        if (file.type.includes('image')) {
-          return (
-            <div key={key} className={clsx('rb:inline-block rb:group rb:relative rb:rounded-lg', contentClassNames)}>
-              <Image src={getFileUrl(file)} alt={file.name} className="rb:w-full rb:max-w-80 rb:rounded-lg rb:object-cover rb:cursor-pointer" />
-            </div>
-          )
-        }
-        if (file.type.includes('video')) {
-          return (
-            <div key={key} className="rb:w-50">
-              <VideoPlayer src={getFileUrl(file)} />
-            </div>
-          )
-        }
-        if (file.type.includes('audio')) {
-          return (
-            <div key={key} className="rb:w-50">
-              <AudioPlayer src={getFileUrl(file)} />
-            </div>
-          )
-        }
-        const documentType = (file.file_type || file.type)?.split('/') ?? []
-        return (
-          <Flex
-            key={key}
-            align="center"
-            gap={10}
-            className="rb:text-left rb:w-45 rb:text-[12px] rb:group rb:relative rb:rounded-lg rb-border rb:py-2! rb:px-2.5! rb:border rb:border-[#F6F6F6]"
-            onClick={() => onDownload(file)}
-          >
-            <div
-              className={clsx(
-                "rb:size-5 rb:cursor-pointer rb:bg-cover rb:bg-[url('@/assets/images/conversation/pdf_disabled.svg')]",
-                getDocIcon(documentType)
-              )}
-            />
-            <div className="rb:flex-1 rb:w-32.5">
-              <div className="rb:leading-4 rb:text-ellipsis rb:overflow-hidden rb:whitespace-nowrap">{file.name}</div>
-              <div className="rb:leading-3.5 rb:mt-0.5 rb:text-[#5B6167] rb:text-ellipsis rb:overflow-hidden rb:whitespace-nowrap">
-                {documentType?.[documentType.length - 1]} · {file.size}
-              </div>
-            </div>
-          </Flex>
-        )
-      })}
-    </Flex>
-  )
-}
-
-export default MessageFiles

web/src/components/OverflowTags/index.tsx

@@ -3,14 +3,14 @@ import { Popover, type PopoverProps } from 'antd'
 import Tag, { type TagProps } from '@/components/Tag'
 
 interface OverflowTagsProps {
-  items?: ReactNode[];
+  items: ReactNode[];
   gap?: number;
   numTagColor?: TagProps['color'];
   numTag?: (num?: number) => ReactNode;
   popoverProps?: PopoverProps | false;
 }
 
-const OverflowTags = ({ items = [], gap = 8, numTagColor = 'default', numTag, popoverProps }: OverflowTagsProps) => {
+const OverflowTags = ({ items, gap = 8, numTagColor = 'default', numTag, popoverProps }: OverflowTagsProps) => {
   const containerRef = useRef<HTMLDivElement>(null)
   const measureRef = useRef<HTMLDivElement>(null)
   const [visibleCount, setVisibleCount] = useState(items.length)
@@ -20,7 +20,7 @@ const OverflowTags = ({ items = [], gap = 8, numTagColor = 'default', numTag, po
     if (!measure || containerWidth === 0) return
 
     const children = Array.from(measure.children) as HTMLElement[]
-    if (!children.length) { setVisibleCount(0); return }
+    if (!children.length) return
 
     // last child is the sample +N tag
     const extraTagWidth = (children[children.length - 1] as HTMLElement).offsetWidth

web/src/components/SiderMenu/index.tsx

@@ -399,7 +399,7 @@ const Menu: FC<{
         className="rb:overflow-y-auto rb:flex-1!"
       />
       {/* Return to space button for superusers */}
-      {source === 'space' &&
+      {user?.is_superuser && source === 'space' &&
         <Flex gap={4} vertical className="rb:my-3! rb:mx-3!">
           <Divider className="rb:mb-2.5! rb:mt-0! rb:border-[#DFE4ED]! rb:mx-2! rb:min-w-[calc(100%-20px)]! rb:w-[calc(100%-20px)]!" />
           <Flex
@@ -412,18 +412,16 @@ const Menu: FC<{
             <div className="rb:cursor-pointer rb:size-4 rb:bg-cover rb:bg-[url('@/assets/images/menuNew/switch.svg')]"></div>
             {collapsed ? null : t('common.switchSpace')}
           </Flex>
-          {user?.is_superuser &&
-            <Flex
-              gap={8}
-              align="center"
-              justify="start"
-              onClick={goToSpace}
-              className="rb:p-2.5! rb:text-[13px] rb:hover:bg-[rgba(223,228,237,0.5)] rb:rounded-lg rb:leading-3.5 rb:font-regular rb:text-center rb:cursor-pointer"
-            >
-              <div className="rb:cursor-pointer rb:size-4 rb:bg-cover rb:bg-[url('@/assets/images/menuNew/return.svg')]"></div>
-              {collapsed ? null : t('common.returnToSpace')}
-            </Flex>
-          }
+          <Flex
+            gap={8}
+            align="center"
+            justify="start"
+            onClick={goToSpace}
+            className="rb:p-2.5! rb:text-[13px] rb:hover:bg-[rgba(223,228,237,0.5)] rb:rounded-lg rb:leading-3.5 rb:font-regular rb:text-center rb:cursor-pointer"
+          >
+            <div className="rb:cursor-pointer rb:size-4 rb:bg-cover rb:bg-[url('@/assets/images/menuNew/return.svg')]"></div>
+            {collapsed ? null : t('common.returnToSpace')}
+          </Flex>
         </Flex>
       }
       {source === 'manage' && subscription && !collapsed &&

web/src/i18n/en.ts

@@ -1538,7 +1538,6 @@ export const en = {
       json_output: 'Support JSON formatted output',
       thinking_budget_tokens: 'thinking budget tokens',
       thinking_budget_tokens_max_error: "Cannot exceed the max tokens limit ({{max}})",
-      thinking_budget_tokens_min_error: "Cannot be less than {{min}}",
       logSearchPlaceholder: 'Search log content',
     },
     userMemory: {

web/src/i18n/zh.ts

@@ -868,7 +868,6 @@ export const zh = {
       json_output: '支持JSON格式化输出',
       thinking_budget_tokens: '深度思考预算Token数',
       thinking_budget_tokens_max_error: "不能超过 最大令牌数 ({{max}})",
-      thinking_budget_tokens_min_error: "不能小于 {{min}}",
       logSearchPlaceholder: '搜索日志内容',
     },
     table: {

web/src/views/ApplicationConfig/components/ModelConfigModal.tsx

@@ -49,8 +49,6 @@ const configFields = [
   { key: 'n', max: 10, min: 1, step: 1, defaultValue: 1 },
 ]
 
-const minThinkingBudgetTokens = 128;
-const defaultThinkingBudgetTokens = 1000;
 const ModelConfigModal = forwardRef<ModelConfigModalRef, ModelConfigModalProps>(({
   refresh,
   data,
@@ -110,7 +108,7 @@ const ModelConfigModal = forwardRef<ModelConfigModalRef, ModelConfigModalProps>(
     const newValues: ModelConfig = {
       capability: (option as Model).capability,
       deep_thinking: false,
-      thinking_budget_tokens: defaultThinkingBudgetTokens,
+      thinking_budget_tokens: undefined,
       json_output: false,
     }
     if (source === 'chat') {
@@ -130,12 +128,6 @@ const ModelConfigModal = forwardRef<ModelConfigModalRef, ModelConfigModalProps>(
     form.setFieldsValue({ ...rest })
   }, [data?.default_model_config_id])
 
-  useEffect(() => {
-    if (values?.deep_thinking && !values?.thinking_budget_tokens) {
-      form.setFieldValue('thinking_budget_tokens', defaultThinkingBudgetTokens)
-    }
-  }, [values?.deep_thinking])
-
   const handleReset = () => {
     if (!id) return
     resetAppModelConfig(id).then((res) => {
@@ -186,20 +178,15 @@ const ModelConfigModal = forwardRef<ModelConfigModalRef, ModelConfigModalProps>(
           name="thinking_budget_tokens"
           label={t('application.thinking_budget_tokens')}
           hidden={!['model', 'chat'].includes(source) || !(values?.deep_thinking || values?.capability?.includes('thinking'))}
-          extra={<>{t('application.range')}: [{minThinkingBudgetTokens}, {t(`application.max_tokens`)}: {values?.max_tokens}]</>}
+          extra={<>{t('application.range')}: [{0}, {t(`application.max_tokens`)}: {values?.max_tokens}]</>}
           rules={[
             { required: values?.deep_thinking, message: t('common.pleaseEnter') },
             {
               validator: (_, value) => {
                 const maxTokens = values?.max_tokens
                 const deep_thinking = values?.deep_thinking;
-                if (deep_thinking && value !== undefined) {
-                  if (value < minThinkingBudgetTokens) {
-                    return Promise.reject(t('application.thinking_budget_tokens_min_error', { min: minThinkingBudgetTokens }))
-                  }
-                  if (maxTokens !== undefined && value > maxTokens) {
-                    return Promise.reject(t('application.thinking_budget_tokens_max_error', { max: maxTokens }))
-                  }
+                if (deep_thinking && value !== undefined && maxTokens !== undefined && value > maxTokens) {
+                  return Promise.reject(t('application.thinking_budget_tokens_max_error', { max: maxTokens }))
                 }
                 return Promise.resolve()
               }
@@ -208,7 +195,7 @@ const ModelConfigModal = forwardRef<ModelConfigModalRef, ModelConfigModalProps>(
         >
           <RbSlider
             step={1}
-            min={minThinkingBudgetTokens}
+            min={0}
             max={32000}
             isInput={true}
             disabled={!values?.deep_thinking}

web/src/views/Ontology/index.tsx

@@ -166,10 +166,10 @@ const Ontology: FC = () => {
               <div className="rb:h-10 rb:wrap-break-word rb:line-clamp-2 rb:leading-5">{item.scene_description}</div>
             </Tooltip>
 
-            <div className="rb:mt-2 rb:h-5.5">
+            <div className="rb:mt-2">
               <OverflowTags
                 popoverProps={false}
-                items={item.entity_type ? [...item.entity_type.map((type, i) => <Tag key={i} variant="borderless" color="dark">{type}</Tag>), <Tag variant="borderless" color="dark">{`+${item.type_num - 3}`}</Tag>] : []}
+                items={[...item.entity_type?.map((type, i) => <Tag key={i} variant="borderless" color="dark">{type}</Tag>), <Tag variant="borderless" color="dark">{`+${item.type_num - 3}`}</Tag>]}
                 numTag={(num?: number) => <Tag variant="borderless" color="dark">{`+${item.type_num - 3 + (num ? num - 1 : 0)}`}</Tag>}
               />
             </div>

web/src/views/ToolManagement/components/CustomToolModal.tsx

@@ -101,7 +101,6 @@ const CustomToolModal = forwardRef<CustomToolModalRef, CustomToolModalProps>(({
       });
   };
   const formatSchema = (value: string) => {
-    if (!value || value.trim() === '') return
     setParseSchemaData({} as ParseSchemaData)
     parseSchema({ schema_content: value })
       .then(res => {

web/src/views/Workflow/components/CanvasToolbar.tsx

@@ -57,6 +57,7 @@ const CanvasToolbar: FC<CanvasToolbarProps> = ({
             }
           }}
           labelRender={(props) => {
+            console.log('props', props)
             return `${props.value}%`
           }}
           className="rb:w-20 rb:h-4!"

web/src/views/Workflow/components/Chat/Chat.tsx

@@ -66,6 +66,8 @@ const Chat = forwardRef<ChatRef, { appId: string; graphRef: GraphRef; data: Work
   const [fileList, setFileList] = useState<any[]>([])
   const [message, setMessage] = useState<string | undefined>(undefined)
 
+  console.log('abortRef', abortRef, chatList)
+
   /**
    * Opens the chat drawer and loads workflow variables from the start node
    */

web/src/views/Workflow/components/Nodes/AddNode.tsx

@@ -18,7 +18,6 @@ const AddNode: ReactShapeConfig['component'] = ({ node, graph }) => {
 
   // Handle node selection from popover and create new node replacing the add-node placeholder
   const handleNodeSelect = (selectedNodeType: any) => {
-    graph.startBatch('add-node');
     const parentBBox = node.getBBox();
     const cycleId = data.cycle;
     const horizontalSpacing = 0;
@@ -44,7 +43,7 @@ const AddNode: ReactShapeConfig['component'] = ({ node, graph }) => {
     if (cycleId) {
       const parentNode = graph.getNodes().find((n: any) => n.getData()?.id === cycleId);
       if (parentNode) {
-        parentNode.addChild(newNode, { silent: true });
+        parentNode.addChild(newNode);
       }
     }
 
@@ -77,40 +76,55 @@ const AddNode: ReactShapeConfig['component'] = ({ node, graph }) => {
       }
     });
 
+    setTimeout(() => {
+      addedEdges.forEach(e => {
+        const src = graph.getCellById(e.getSourceCellId());
+        const tgt = graph.getCellById(e.getTargetCellId());
+        if (src?.isNode()) src.toFront();
+        if (tgt?.isNode()) tgt.toFront();
+      });
+    }, 50);
+
     // Automatically adjust loop node size
     const loopNode = graph.getNodes().find((n: any) => n.getData()?.id === cycleId);
     if (loopNode) {
+      const adjustLoopSize = () => {
+        const childNodes = graph.getNodes().filter((n: any) => n.getData()?.cycle === cycleId);
+        if (childNodes.length > 0) {
+          const bounds = childNodes.reduce((acc, child) => {
+            const bbox = child.getBBox();
+            return {
+              minX: Math.min(acc.minX, bbox.x),
+              minY: Math.min(acc.minY, bbox.y),
+              maxX: Math.max(acc.maxX, bbox.x + bbox.width),
+              maxY: Math.max(acc.maxY, bbox.y + bbox.height)
+            };
+          }, { minX: Infinity, minY: Infinity, maxX: -Infinity, maxY: -Infinity });
+          
+          const padding = 50;
+          const newWidth = Math.max(nodeWidth, bounds.maxX - bounds.minX + padding * 2);
+          const newHeight = Math.max(120, bounds.maxY - bounds.minY + padding * 2);
+          
+          loopNode.prop('size', { width: newWidth, height: newHeight });
+          
+          // Update right port x position
+          const ports = loopNode.getPorts();
+          ports.forEach(port => {
+            if (port.group === 'right' && port.args) {
+              loopNode.portProp(port.id!, 'args/x', newWidth);
+            }
+          });
+        }
+      };
+      
+      adjustLoopSize();
+      
+      // Listen to child node movement events
       const childNodes = graph.getNodes().filter((n: any) => n.getData()?.cycle === cycleId);
-      if (childNodes.length > 0) {
-        const bounds = childNodes.reduce((acc, child) => {
-          const bbox = child.getBBox();
-          return {
-            minX: Math.min(acc.minX, bbox.x),
-            minY: Math.min(acc.minY, bbox.y),
-            maxX: Math.max(acc.maxX, bbox.x + bbox.width),
-            maxY: Math.max(acc.maxY, bbox.y + bbox.height)
-          };
-        }, { minX: Infinity, minY: Infinity, maxX: -Infinity, maxY: -Infinity });
-        const padding = 50;
-        const newWidth = Math.max(nodeWidth, bounds.maxX - bounds.minX + padding * 2);
-        const newHeight = Math.max(120, bounds.maxY - bounds.minY + padding * 2);
-        loopNode.prop('size', { width: newWidth, height: newHeight });
-        loopNode.getPorts().forEach(port => {
-          if (port.group === 'right' && port.args) {
-            loopNode.portProp(port.id!, 'args/x', newWidth);
-          }
-        });
-      }
+      childNodes.forEach((childNode: any) => {
+        childNode.on('change:position', adjustLoopSize);
+      });
     }
-
-    addedEdges.forEach(e => {
-      const src = graph.getCellById(e.getSourceCellId());
-      const tgt = graph.getCellById(e.getTargetCellId());
-      if (src?.isNode()) src.toFront();
-      if (tgt?.isNode()) tgt.toFront();
-    });
-
-    graph.stopBatch('add-node');
     setOpen(false);
   };
 

web/src/views/Workflow/components/Nodes/ConditionNode.tsx

@@ -99,7 +99,7 @@ const ConditionNode: ReactShapeConfig['component'] = ({ node }) => {
       {data.type === 'if-else' &&
         <Flex vertical gap={4} className="rb:mt-3!">
           {data.config?.cases?.defaultValue.map((item: any, index: number) => (
-            <div key={index}>
+            <div key={index} className={item.expressions.length > 0 ? '' : 'rb:mb-1'}>
               <Flex justify={item.expressions.length > 0 ? "space-between" : 'end'} className="rb:mb-1! rb:leading-4">
                 {item.expressions.length > 0 && <span className="rb:text-[#5B6167] rb:text-[10px] rb:pl-1">CASE{index + 1}</span>}
                 <span className="rb:text-[#212332] rb:font-medium rb:text-[12px]">{index === 0 ? 'IF' : `ELIF`}</span>

web/src/views/Workflow/components/Nodes/LoopNode.tsx

@@ -1,15 +1,134 @@
+import { useEffect } from 'react';
+import { useTranslation } from 'react-i18next'
 import clsx from 'clsx';
 import type { ReactShapeConfig } from '@antv/x6-react-shape';
 import { Flex } from 'antd';
 import { CheckCircleFilled, CloseCircleFilled, LoadingOutlined } from '@ant-design/icons';
-import { useTranslation } from 'react-i18next'
 
+import { graphNodeLibrary, edgeAttrs } from '../../constant';
 import NodeTools from './NodeTools'
 
-const LoopNode: ReactShapeConfig['component'] = ({ node }) => {
+const LoopNode: ReactShapeConfig['component'] = ({ node, graph }) => {
   const data = node.getData() || {};
   const { t } = useTranslation()
 
+  useEffect(() => {
+    // 使用setTimeout确保在所有节点都添加完成后再创建连线
+    const timer = setTimeout(() => {
+      initNodes()
+      checkAndAddAddNode()
+    }, 50)
+    
+    return () => clearTimeout(timer)
+  }, [graph])
+
+  const checkAndAddAddNode = () => {
+    if (!graph) return;
+    
+    const childNodes = graph.getNodes().filter((n: any) => n.getData()?.cycle === data.id);
+    const cycleStartNodes = childNodes.filter((n: any) => n.getData()?.type === 'cycle-start');
+    
+    // 如果只有一个cycle-start节点且没有其他类型的子节点，则添加add-node
+    if (cycleStartNodes.length === 1 && childNodes.length === 1) {
+      const cycleStartNode = cycleStartNodes[0];
+      const cycleStartBBox = cycleStartNode.getBBox();
+      
+      const addNode = graph.addNode({
+        ...graphNodeLibrary.addStart,
+        x: cycleStartBBox.x + 84,
+        y: cycleStartBBox.y + 4,
+        data: {
+          type: 'add-node',
+          label: t('workflow.addNode'),
+          icon: '+',
+          parentId: node.id,
+          cycle: data.id,
+        },
+      });
+      
+      node.addChild(addNode);
+      
+      // 连接cycle-start和add-node
+      const sourcePorts = cycleStartNode.getPorts();
+      const targetPorts = addNode.getPorts();
+      const sourcePort = sourcePorts.find((port: any) => port.group === 'right')?.id || 'right';
+      const targetPort = targetPorts.find((port: any) => port.group === 'left')?.id || 'left';
+
+      // 然后创建连线
+      graph.addEdge({
+        source: { cell: cycleStartNode.id, port: sourcePort },
+        target: { cell: addNode.id, port: targetPort },
+        ...edgeAttrs,
+      });
+
+      cycleStartNode.toFront()
+      addNode.toFront()
+    }
+  }
+
+  const initNodes = () => {
+    // 检查是否存在cycle为当前节点ID的子节点，若存在则不调用initNodes，避免重复创建
+    const existingCycleNodes = graph.getNodes().filter((n: any) => 
+      n.getData()?.cycle === data.id
+    );
+    if (existingCycleNodes.length > 0) return;
+    // 添加默认子节点
+    const parentBBox = node.getBBox();
+    const centerX = parentBBox.x + 24;
+    const centerY = parentBBox.y + 70;
+
+    const cycleStartNodeId = `cycle_start_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`
+    const cycleStartNode = graph.addNode({
+      ...graphNodeLibrary.cycleStart,
+      x: centerX,
+      y: centerY,
+      id: cycleStartNodeId,
+      data: {
+        id: cycleStartNodeId,
+        type: 'cycle-start',
+        parentId: node.id,
+        isDefault: true, // 标记为默认节点，不可删除
+        cycle: data.id,
+      },
+    });
+    const addNode = graph.addNode({
+      ...graphNodeLibrary.addStart,
+      x: centerX + 84,
+      y: centerY + 4,
+      data: {
+        type: 'add-node',
+        label: t('workflow.addNode'),
+        icon: '+',
+        parentId: node.id,
+        cycle: data.id,
+      },
+    });
+    node.addChild(cycleStartNode)
+    node.addChild(addNode)
+    const sourcePorts = cycleStartNode.getPorts()
+    const targetPorts = addNode.getPorts()
+    let sourcePort = sourcePorts.find((port: any) => port.group === 'right')?.id || 'right';
+
+    const edgeConfig = {
+      source: {
+        cell: cycleStartNode.id,
+        port: sourcePort
+      },
+      target: {
+        cell: addNode.id,
+        port: targetPorts.find((port: any) => port.group === 'left')?.id || 'left'
+      },
+      ...edgeAttrs
+    }
+    graph.addEdge(edgeConfig)
+
+    setTimeout(() => {
+
+      cycleStartNode.toFront()
+      addNode.toFront()
+    }, 0)
+  }
+
   return (
     <div className={clsx('rb:cursor-pointer rb:group rb:relative rb:h-full rb:w-full rb:p-3 rb:border rb:rounded-2xl rb:bg-[#FCFCFD] rb:shadow-[0px_2px_4px_0px_rgba(23,23,25,0.03)]', {
       'rb:border-[#171719]!': data.isSelected && !data.executionStatus,

web/src/views/Workflow/components/PortClickHandler.tsx

@@ -43,52 +43,70 @@ const PortClickHandler: React.FC<PortClickHandlerProps> = ({ graph }) => {
     };
   }, []);
 
+  // Handle node selection from popover menu and create new node with edge connection
   const handleNodeSelect = (selectedNodeType: any) => {
     if (!sourceNode || !graph) return;
 
     const sourceNodeData = sourceNode.getData();
     const sourceNodeType = sourceNodeData?.type;
-    const isCycleSubNode = !!sourceNodeData.cycle;
-    const isCycleContainer = (type: string) => type === 'loop' || type === 'iteration';
-    const newNodeType = selectedNodeType.type;
-
-    // Save add-node placeholder position before disabling history
+    
+    // If it's a cycle-start node, handle the add-node placeholder
     let addNodePosition = null;
+    const isCycleSubNode = sourceNodeData.cycle
     if (isCycleSubNode && sourceNodeType === 'cycle-start') {
       const cycleId = sourceNodeData.cycle;
-      const addNodes = graph.getNodes().filter((n: any) =>
+      const addNodes = graph.getNodes().filter((n: any) => 
         n.getData()?.type === 'add-node' && n.getData()?.cycle === cycleId
       );
-      if (addNodes.length > 0) addNodePosition = addNodes[0].getBBox();
+      
+      if (addNodes.length > 0) {
+        const addNode = addNodes[0];
+        addNodePosition = addNode.getBBox();
+        addNode.remove();
+      }
     }
-
-    // Calculate position
+    
+    // Calculate new node position to avoid overlapping
     const sourceBBox = sourceNode.getBBox();
-    const nw = graphNodeLibrary[newNodeType]?.width || 120;
-    const nh = graphNodeLibrary[newNodeType]?.height || 88;
-    const hSpacing = isCycleSubNode ? 48 : 80;
-    const vSpacing = 10;
+    const nodeWidth = graphNodeLibrary[selectedNodeType.type]?.width || 120;
+    const nodeHeight = graphNodeLibrary[selectedNodeType.type]?.height || 88;
+    const horizontalSpacing = isCycleSubNode ? 48 : 80;
+    const verticalSpacing = 10;
+    
+    // Get source port group information
     const sourcePortInfo = sourceNode.getPorts().find((p: any) => p.id === sourcePort);
     const sourcePortGroup = sourcePortInfo?.group || sourcePort;
-
-    let newX: number, newY: number;
+    
+    // Calculate new node position
+    let newX, newY;
     if (edgeInsertion) {
+      // Edge insertion: place new node on the same row as target, between source and target
       const targetBBox = edgeInsertion.targetCell.getBBox();
       const gap = targetBBox.x - (sourceBBox.x + sourceBBox.width);
-      const requiredSpace = nw + hSpacing * 4;
-      newX = sourceBBox.x + sourceBBox.width + hSpacing;
-      newY = targetBBox.y + (targetBBox.height - nh) / 2;
+      const requiredSpace = nodeWidth + horizontalSpacing * 4;
+
+      // New node x: right after source + spacing
+      newX = sourceBBox.x + sourceBBox.width + horizontalSpacing;
+      // Same row as target node
+      newY = targetBBox.y + (targetBBox.height - nodeHeight) / 2;
+
+      // If not enough space, shift target and all downstream nodes to the right
       if (gap < requiredSpace) {
         const shiftX = requiredSpace - gap;
         const visited = new Set<string>();
         const shiftDownstream = (cell: any) => {
-          if (visited.has(cell.id)) return;
-          visited.add(cell.id);
+          const cellId = cell.id;
+          if (visited.has(cellId)) return;
+          visited.add(cellId);
           const pos = cell.getPosition();
           cell.setPosition(pos.x + shiftX, pos.y);
+          // Recursively shift nodes connected from right ports
           graph.getConnectedEdges(cell, { outgoing: true }).forEach((e: any) => {
-            const tCell = graph.getCellById(e.getTargetCellId());
-            if (tCell?.isNode()) shiftDownstream(tCell);
+            const tId = e.getTargetCellId();
+            if (tId && !visited.has(tId)) {
+              const tCell = graph.getCellById(tId);
+              if (tCell?.isNode()) shiftDownstream(tCell);
+            }
           });
         };
         shiftDownstream(edgeInsertion.targetCell);
@@ -96,170 +114,208 @@ const PortClickHandler: React.FC<PortClickHandlerProps> = ({ graph }) => {
     } else if (addNodePosition) {
       newX = addNodePosition.x;
       newY = addNodePosition.y;
-    } else if (sourcePortGroup === 'left') {
-      newX = sourceBBox.x - nw * 2 - hSpacing;
-      newY = sourceBBox.y;
     } else {
-      newX = sourceBBox.x + sourceBBox.width + hSpacing;
-      newY = sourceBBox.y;
-      const connectedNodes = new Set<string>();
-      graph.getConnectedEdges(sourceNode).forEach((e: any) => {
-        [e.getSourceCellId(), e.getTargetCellId()].forEach((cid: string) => {
-          if (cid !== sourceNode.id) connectedNodes.add(cid);
+      // Determine node placement direction based on port position
+      if (sourcePortGroup === 'left') {
+      // Left port: add node to the left
+        newX = sourceBBox.x - nodeWidth*2 - horizontalSpacing;
+        newY = sourceBBox.y;
+      } else {
+        // Right port: add node to the right
+        newX = sourceBBox.x + sourceBBox.width + horizontalSpacing;
+        newY = sourceBBox.y;
+      }
+      
+      // Check if position overlaps with existing nodes (only consider connected nodes)
+      const checkOverlap = (x: number, y: number) => {
+      // Get nodes connected to the source node
+        const connectedNodes = new Set();
+        graph.getConnectedEdges(sourceNode).forEach((edge: any) => {
+          const sourceId = edge.getSourceCellId();
+          const targetId = edge.getTargetCellId();
+          if (sourceId !== sourceNode.id) connectedNodes.add(sourceId);
+          if (targetId !== sourceNode.id) connectedNodes.add(targetId);
         });
-      });
-      const checkOverlap = (x: number, y: number) =>
-        graph.getNodes().some((n: any) => {
-          if (n.id === sourceNode.id || !connectedNodes.has(n.id)) return false;
-          const b = n.getBBox();
-          return !(x + nw < b.x || x > b.x + b.width || y + nh < b.y || y > b.y + b.height);
+        
+        return graph.getNodes().some((node: any) => {
+          if (node.id === sourceNode.id) return false;
+          if (!connectedNodes.has(node.id)) return false; // Only consider connected nodes
+          const bbox = node.getBBox();
+          return !(x + nodeWidth < bbox.x || x > bbox.x + bbox.width || 
+                  y + nodeHeight < bbox.y || y > bbox.y + bbox.height);
         });
-      while (checkOverlap(newX, newY)) newY += nh + vSpacing;
+      };
+
+      // If position is occupied, search downward for empty space
+      while (checkOverlap(newX, newY)) {
+        newY += nodeHeight + verticalSpacing;
+      }
     }
-
-    // Disable history for all graph mutations
-    graph.disableHistory();
-
-    // Remove add-node placeholder
-    if (isCycleSubNode && sourceNodeType === 'cycle-start') {
-      const cycleId = sourceNodeData.cycle;
-      graph.getNodes()
-        .filter((n: any) => n.getData()?.type === 'add-node' && n.getData()?.cycle === cycleId)
-        .forEach((n: any) => n.remove());
-    }
-
-    const id = `${newNodeType.replace(/-/g, '_')}_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
+    
+    // Create new node
+    const id = `${selectedNodeType.type.replace(/-/g, '_')}_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`
     const newNode = graph.addNode({
-      ...(graphNodeLibrary[newNodeType] || graphNodeLibrary.default),
+      ...(graphNodeLibrary[selectedNodeType.type] || graphNodeLibrary.default),
       x: newX,
       y: newY - (isCycleSubNode && sourceNodeType === 'cycle-start' ? 12 : 0),
       id,
       data: {
         id,
-        type: newNodeType,
+        type: selectedNodeType.type,
         icon: selectedNodeType.icon,
-        name: t(`workflow.${newNodeType}`),
-        cycle: sourceNodeData.cycle,
+        name: t(`workflow.${selectedNodeType.type}`),
+        cycle: sourceNodeData.cycle, // Inherit cycle from source node
         config: selectedNodeType.config || {}
       },
     });
 
+    // Add new node as child of parent node
     if (sourceNodeData.cycle) {
       const parentNode = graph.getNodes().find((n: any) => n.getData()?.id === sourceNodeData.cycle);
-      if (parentNode) parentNode.addChild(newNode, { silent: true });
-    }
-
-    if (edgeInsertion) {
-      const { edge: oldEdge } = edgeInsertion;
-      if (oldEdge.id && graph.getCellById(oldEdge.id)) graph.removeCell(oldEdge.id);
-      else graph.removeEdge(oldEdge);
-    }
-
-    const newPorts = newNode.getPorts();
-    const addedCells: any[] = [newNode];
-
-    if (edgeInsertion) {
-      const { targetCell, targetPort: origTargetPort } = edgeInsertion;
-      const newLeftPort = newPorts.find((p: any) => p.group === 'left')?.id || 'left';
-      const newRightPort = newPorts.find((p: any) => p.group === 'right')?.id || 'right';
-      addedCells.push(graph.addEdge({ source: { cell: sourceNode.id, port: sourcePort }, target: { cell: newNode.id, port: newLeftPort }, ...edgeAttrs }));
-      addedCells.push(graph.addEdge({ source: { cell: newNode.id, port: newRightPort }, target: { cell: targetCell.id, port: origTargetPort }, ...edgeAttrs }));
-      setEdgeInsertion(null);
-    } else if (sourcePortGroup === 'left') {
-      const tp = newPorts.find((p: any) => p.group === 'right')?.id || 'right';
-      addedCells.push(graph.addEdge({ source: { cell: newNode.id, port: tp }, target: { cell: sourceNode.id, port: sourcePort }, ...edgeAttrs }));
-    } else {
-      const tp = newPorts.find((p: any) => p.group === 'left')?.id || 'left';
-      addedCells.push(graph.addEdge({ source: { cell: sourceNode.id, port: sourcePort }, target: { cell: newNode.id, port: tp }, ...edgeAttrs }));
-    }
-
-    // If adding a loop/iteration node, create cycle-start, add-node and inner edge regardless of source type
-    if (isCycleContainer(newNodeType)) {
-      const parentBBox = newNode.getBBox();
-      const cycleStartId = `cycle_start_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
-      const cycleStartNode = graph.addNode({
-        ...graphNodeLibrary.cycleStart,
-        x: parentBBox.x + 24,
-        y: parentBBox.y + 70,
-        id: cycleStartId,
-        data: { id: cycleStartId, type: 'cycle-start', parentId: id, isDefault: true, cycle: id },
-      });
-      const addNodePlaceholder = graph.addNode({
-        ...graphNodeLibrary.addStart,
-        x: parentBBox.x + 24 + 84,
-        y: parentBBox.y + 70 + 4,
-        data: { type: 'add-node', label: t('workflow.addNode'), icon: '+', parentId: id, cycle: id },
-      });
-      newNode.addChild(cycleStartNode, { silent: true });
-      newNode.addChild(addNodePlaceholder, { silent: true });
-      const innerEdge = graph.addEdge({
-        source: { cell: cycleStartNode.id, port: cycleStartNode.getPorts().find((p: any) => p.group === 'right')?.id || 'right' },
-        target: { cell: addNodePlaceholder.id, port: addNodePlaceholder.getPorts().find((p: any) => p.group === 'left')?.id || 'left' },
-        ...edgeAttrs,
-      });
-      addedCells.push(cycleStartNode, addNodePlaceholder, innerEdge);
-    }
-
-    // Adjust parent size if adding inside a cycle container
-    const cycleId = sourceNodeData.cycle;
-    if (cycleId) {
-      const parentNode = graph.getNodes().find((n: any) => n.getData()?.id === cycleId);
       if (parentNode) {
-        const childNodes = graph.getNodes().filter((n: any) => n.getData()?.cycle === cycleId);
-        if (childNodes.length > 0) {
-          const bounds = childNodes.reduce((acc: any, child: any) => {
-            const b = child.getBBox();
-            return { minX: Math.min(acc.minX, b.x), minY: Math.min(acc.minY, b.y), maxX: Math.max(acc.maxX, b.x + b.width), maxY: Math.max(acc.maxY, b.y + b.height) };
-          }, { minX: Infinity, minY: Infinity, maxX: -Infinity, maxY: -Infinity });
-          const padding = 50;
-          const newWidth = Math.max(nodeWidth, bounds.maxX - bounds.minX + padding * 2);
-          const newHeight = Math.max(120, bounds.maxY - bounds.minY + padding * 2);
-          parentNode.prop('size', { width: newWidth, height: newHeight });
-          parentNode.getPorts().forEach((port: any) => {
-            if (port.group === 'right' && port.args) parentNode.portProp(port.id!, 'args/x', newWidth);
-          });
-        }
+        parentNode.addChild(newNode);
       }
     }
 
-    // toFront
-    const bringCycleChildrenToFront = (cycleContainerId: string) => {
-      graph.getEdges().forEach((e: any) => {
-        const src = graph.getCellById(e.getSourceCellId());
-        const tgt = graph.getCellById(e.getTargetCellId());
-        if (src?.getData()?.cycle === cycleContainerId || tgt?.getData()?.cycle === cycleContainerId) e.toFront();
-      });
-      graph.getNodes().forEach((n: any) => { if (n.getData()?.cycle === cycleContainerId) n.toFront(); });
-    };
-
-    if (isCycleContainer(sourceNodeType)) {
-      newNode.toFront(); sourceNode.toFront(); bringCycleChildrenToFront(sourceNodeData.id);
-      if (isCycleContainer(newNodeType)) bringCycleChildrenToFront(id);
-    } else if (isCycleContainer(newNodeType)) {
-      newNode.toFront(); sourceNode.toFront(); bringCycleChildrenToFront(id);
-    } else {
-      addedCells.forEach(c => { if (c.isNode?.()) c.toFront(); });
+    // Edge insertion: remove old edge immediately before creating new edges
+    if (edgeInsertion) {
+      const { edge: oldEdge } = edgeInsertion;
+      if (oldEdge.id && graph.getCellById(oldEdge.id)) {
+        graph.removeCell(oldEdge.id);
+      } else {
+        graph.removeEdge(oldEdge);
+      }
     }
 
-    // Re-enable history and manually push one batch frame for all added cells
-    graph.enableHistory();
-    const history = graph.getPlugin('history') as any;
-    if (history) {
-      const batchFrame = addedCells.map((cell: any) => ({
-        batch: true,
-        event: 'cell:added',
-        data: { id: cell.id, node: cell.isNode(), edge: cell.isEdge(), props: cell.toJSON() },
-        options: {},
-      }));
-      history.undoStack.push(batchFrame);
-      history.redoStack = [];
-      graph.trigger('history:change', { cmds: batchFrame, options: { name: 'add-node' } });
-    }
+    // Create edge connection
+    setTimeout(() => {
+      const newPorts = newNode.getPorts();
 
+      const addedEdges: any[] = [];
+      if (edgeInsertion) {
+        // Edge insertion: create source→new and new→target edges
+        const { targetCell, targetPort: origTargetPort } = edgeInsertion;
+        const newLeftPort = newPorts.find((p: any) => p.group === 'left')?.id || 'left';
+        const newRightPort = newPorts.find((p: any) => p.group === 'right')?.id || 'right';
+        addedEdges.push(graph.addEdge({
+          source: { cell: sourceNode.id, port: sourcePort },
+          target: { cell: newNode.id, port: newLeftPort },
+          ...edgeAttrs
+        }));
+        addedEdges.push(graph.addEdge({
+          source: { cell: newNode.id, port: newRightPort },
+          target: { cell: targetCell.id, port: origTargetPort },
+          ...edgeAttrs
+        }));
+        setEdgeInsertion(null);
+      } else if (sourcePortGroup === 'left') {
+        // Connect from left port to new node's right side
+        const targetPort = newPorts.find((port: any) => port.group === 'right')?.id || 'right';
+        addedEdges.push(graph.addEdge({
+          source: { cell: newNode.id, port: targetPort },
+          target: { cell: sourceNode.id, port: sourcePort },
+          ...edgeAttrs
+        }));
+      } else {
+        // Connect from right port to new node's left side
+        const targetPort = newPorts.find((port: any) => port.group === 'left')?.id || 'left';
+        addedEdges.push(graph.addEdge({
+          source: { cell: sourceNode.id, port: sourcePort },
+          target: { cell: newNode.id, port: targetPort },
+          ...edgeAttrs
+        }));
+      }
+      
+      // Adjust loop node size when child node is added via port within loop node
+      const cycleId = sourceNodeData.cycle;
+      if (cycleId) {
+        const parentNode = graph.getNodes().find((n: any) => n.getData()?.id === cycleId);
+
+        if (parentNode) {
+          const adjustLoopSize = () => {
+            const childNodes = graph.getNodes().filter((n: any) => n.getData()?.cycle === cycleId);
+            if (childNodes.length > 0) {
+              const bounds = childNodes.reduce((acc: any, child: any) => {
+                const bbox = child.getBBox();
+                return {
+                  minX: Math.min(acc.minX, bbox.x),
+                  minY: Math.min(acc.minY, bbox.y),
+                  maxX: Math.max(acc.maxX, bbox.x + bbox.width),
+                  maxY: Math.max(acc.maxY, bbox.y + bbox.height)
+                };
+              }, { minX: Infinity, minY: Infinity, maxX: -Infinity, maxY: -Infinity });
+
+              const padding = 50;
+              const newWidth = Math.max(nodeWidth, bounds.maxX - bounds.minX + padding * 2);
+              const newHeight = Math.max(120, bounds.maxY - bounds.minY + padding * 2);
+
+              parentNode.prop('size', { width: newWidth, height: newHeight });
+              
+              // Update right port x position
+              const ports = parentNode.getPorts();
+              ports.forEach((port: any) => {
+                if (port.group === 'right' && port.args) {
+                  parentNode.portProp(port.id!, 'args/x', newWidth);
+                }
+              });
+            }
+          }; 
+          
+          adjustLoopSize();
+          
+          // Listen to child node movement events
+          const childNodes = graph.getNodes().filter((n: any) => n.getData()?.cycle === cycleId);
+          childNodes.forEach((childNode: any) => {
+            childNode.on('change:position', adjustLoopSize);
+          });
+        }
+      }
+
+      const isCycleContainer = (type: string) => type === 'loop' || type === 'iteration';
+      const newNodeType = selectedNodeType.type;
+
+      // Helper: bring all child nodes and their edges of a cycle container to front
+      const bringCycleChildrenToFront = (cycleContainerId: string) => {
+        
+        graph.getEdges().forEach((e: any) => {
+          const src = graph.getCellById(e.getSourceCellId());
+          const tgt = graph.getCellById(e.getTargetCellId());
+          if (src?.getData()?.cycle === cycleContainerId || tgt?.getData()?.cycle === cycleContainerId) e.toFront();
+        });
+        graph.getNodes().forEach((n: any) => {
+          if (n.getData()?.cycle === cycleContainerId) n.toFront();
+        });
+      };
+
+      if (isCycleContainer(sourceNodeType)) {
+        console.log('isCycleContainer(sourceNodeType)')
+        // Case 4: source is a loop/iteration node — bring new node to front, then its children
+        newNode.toFront();
+        sourceNode.toFront();
+        bringCycleChildrenToFront(sourceNodeData.id);
+      } else if (isCycleContainer(newNodeType)) {
+        console.log('isCycleContainer(newNodeType)')
+        // Case 3: adding a loop/iteration node from a normal node — bring new node to front, then its children
+        newNode.toFront();
+        sourceNode.toFront()
+        bringCycleChildrenToFront(id);
+      } else {
+        // Case 2: normal node → normal node
+        addedEdges.forEach(e => {
+          const src = graph.getCellById(e.getSourceCellId());
+          const tgt = graph.getCellById(e.getTargetCellId());
+          if (src?.isNode()) src.toFront();
+          if (tgt?.isNode()) tgt.toFront();
+        });
+      }
+    }, 50);
+
+    // Clean up temporary element
     if (tempElement) {
       document.body.removeChild(tempElement);
       setTempElement(null);
     }
+    
     setPopoverVisible(false);
   };
 
@@ -335,4 +391,4 @@ const PortClickHandler: React.FC<PortClickHandlerProps> = ({ graph }) => {
   );
 };
 
-export default PortClickHandler;
+export default PortClickHandler;

web/src/views/Workflow/components/Properties/ToolConfig/index.tsx

@@ -242,11 +242,10 @@ const ToolConfig: FC<{ options: Suggestion[]; }> = ({
               className={parameter.type === 'boolean' ? 'rb:mb-0!' : ''}
             >
               {parameter.type === 'string' && parameter.enum && parameter.enum.length > 0
-                ? <Select key={values.tool_id} size="small" options={parameter.enum.map(vo => ({ value: vo, label: vo }))} placeholder={t('common.pleaseSelect')} />
+                ? <Select size="small" options={parameter.enum.map(vo => ({ value: vo, label: vo }))} placeholder={t('common.pleaseSelect')} />
                 : parameter.type === 'boolean'
-                  ? <Switch key={values.tool_id} size="small" />
+                  ? <Switch size="small" />
                   : <Editor
-                    key={values.tool_id}
                     variant="outlined"
                     type="input"
                     size="small"

web/src/views/Workflow/constant.ts

@@ -2,7 +2,7 @@
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 15:06:18 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-04-27 14:07:14
+ * @Last Modified time: 2026-04-21 18:23:31
  */
 import type { ReactShapeConfig } from '@antv/x6-react-shape';
 import type { GroupMetadata, PortMetadata } from '@antv/x6/lib/model/port';
@@ -948,15 +948,6 @@ export const graphNodeLibrary: Record<string, NodeConfig> = {
     width: nodeWidth,
     height: 120,
     shape: 'notes-node',
-  },
-  output: {
-    width: nodeWidth,
-    height: 76,
-    shape: 'normal-node',
-    ports: {
-      groups: { left: defaultPortGroup },
-      items: [defaultPortItems[0]],
-    },
   }
 }
 

web/src/views/Workflow/hooks/useWorkflowGraph.ts

@@ -2,9 +2,10 @@
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 15:17:48 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-04-28 13:49:11
+ * @Last Modified time: 2026-04-24 17:21:09
  */
 import { Clipboard, Graph, Keyboard, MiniMap, Node, Snapline, History, type Edge } from '@antv/x6';
+import type { HistoryCommand as Command } from '@antv/x6/lib/plugin/history/type';
 import { register } from '@antv/x6-react-shape';
 import type { PortMetadata } from '@antv/x6/lib/model/port';
 import { App } from 'antd';
@@ -16,7 +17,7 @@ import { getWorkflowConfig, saveWorkflowConfig } from '@/api/application';
 import { useUser } from '@/store/user';
 import type { FeaturesConfigForm } from '@/views/ApplicationConfig/types';
 import { conditionNodeHeight, conditionNodeItemHeight, conditionNodePortItemArgsY, defaultAbsolutePortGroups, defaultPortItems, edgeAttrs, edgeHoverTool, edge_color, edge_selected_color, edge_width, graphNodeLibrary, nodeLibrary, nodeRegisterLibrary, nodeWidth, notesConfig, portAttrs, portItemArgsY, portMarkup, portTextAttrs, unknownNode } from '../constant';
-import type { ChatVariable, HistoryRecord, NodeProperties, WorkflowConfig } from '../types';
+import type { ChatVariable, NodeProperties, WorkflowConfig } from '../types';
 import { calcConditionNodeTotalHeight, getConditionNodeCasePortY } from '../utils';
 import { useWorkflowStore } from '@/store/workflow';
 
@@ -85,10 +86,6 @@ export interface UseWorkflowGraphReturn {
   /** Get start node output variable list (user-defined + system variables) */
   getStartNodeVariables: () => Array<{ name: string; type: string; readonly?: boolean }>;
   nodeClick: ({ node }: { node: Node }) => void;
-  /** All recorded history operations */
-  historyRecords: HistoryRecord[];
-  /** Clear history records */
-  clearHistoryRecords: () => void;
 }
 
 /**
@@ -122,19 +119,14 @@ export const useWorkflowGraph = ({
   const featuresRef = useRef<FeaturesConfigForm | undefined>(undefined)
   const [canUndo, setCanUndo] = useState(false)
   const [canRedo, setCanRedo] = useState(false)
-  const [historyRecords, setHistoryRecords] = useState<HistoryRecord[]>([])
-  const lastHistoryRef = useRef<{ cellIds: string[]; timestamp: number; type: string } | null>(null)
-  const undoRef = useRef<() => void>(() => {})
-  const redoRef = useRef<() => void>(() => {})
-  const syncChildRelationshipsRef = useRef<() => void>(() => {})
-  const isSyncingRef = useRef(false)
+
   useEffect(() => {
     if (!graphRef.current) return
     graphRef.current.getNodes().forEach(node => {
       const data = node.getData()
       if (data?.type === 'if-else' || data?.type === 'question-classifier') {
         console.log('chatVariables', chatVariables)
-        node.setData({ ...data, chatVariables })
+        node.setData({ ...data, chatVariables }, { silent: true })
       }
     })
   }, [chatVariables])
@@ -351,7 +343,7 @@ export const useWorkflowGraph = ({
           if (parentNode) {
             const addedChild = graphRef.current?.addNode(childNode)
             if (addedChild) {
-              parentNode.addChild(addedChild, { silent: true })
+              parentNode.addChild(addedChild)
             }
           }
         }
@@ -382,6 +374,8 @@ export const useWorkflowGraph = ({
               const newWidth = Math.max(parentBBox.width, maxX - minX + padding * 2)
               const newHeight = Math.max(parentBBox.height, maxY - minY + padding * 2 + headerHeight)
 
+              console.log('newWidth', newHeight, newWidth)
+
               parentNode.prop('size', { width: newWidth, height: newHeight })
 
               // Update x position of right group ports
@@ -494,77 +488,8 @@ export const useWorkflowGraph = ({
           graphRef.current.cleanHistory()
         }
       }, 200)
-    } else {
-      graphRef.current.enableHistory()
-      graphRef.current.cleanHistory()
     }
   }
-
-  const resizeGroupNodes = (graph: Graph) => {
-    graph.getNodes().forEach(parentNode => {
-      const parentType = parentNode.getData()?.type
-      if (parentType !== 'loop' && parentType !== 'iteration') return
-      const children = graph.getNodes().filter(
-        n => n.getData()?.cycle === parentNode.getData()?.id && n.getData()?.type !== 'add-node'
-      )
-      if (!children.length) return
-      const padding = 24
-      const headerHeight = 50
-      const childBounds = children.map(c => c.getBBox())
-      const minX = Math.min(...childBounds.map(b => b.x))
-      const minY = Math.min(...childBounds.map(b => b.y))
-      const maxX = Math.max(...childBounds.map(b => b.x + b.width))
-      const maxY = Math.max(...childBounds.map(b => b.y + b.height))
-      const parentBBox = parentNode.getBBox()
-      const newWidth = Math.max(parentBBox.width, maxX - minX + padding * 2)
-      const newHeight = Math.max(parentBBox.height, maxY - minY + padding * 2 + headerHeight)
-      parentNode.prop('size', { width: newWidth, height: newHeight })
-      parentNode.getPorts().forEach(port => {
-        if (port.group === 'right' && port.args) {
-          parentNode.portProp(port.id!, 'args/x', newWidth)
-        }
-      })
-    })
-  }
-
-  const syncChildRelationships = () => {
-    if (!graphRef.current) return
-    const graph = graphRef.current
-    graph.disableHistory()
-    graph.getNodes().forEach(node => {
-      const cycleId = node.getData()?.cycle
-      if (!cycleId) return
-      const parentNode = graph.getCellById(cycleId) as Node | null
-      if (!parentNode) return
-      if (!parentNode.getChildren()?.some(c => c.id === node.id)) {
-        parentNode.addChild(node, { silent: true })
-      }
-    })
-    graph.getNodes().forEach(node => {
-      const children = node.getChildren()
-      if (!children?.length) return
-      children.forEach(child => {
-        if (!child.isNode()) return
-        const childCycleId = (child as Node).getData?.()?.cycle
-        if (childCycleId !== node.id && childCycleId !== node.getData?.()?.id) {
-          node.removeChild(child, { silent: true })
-        }
-      })
-    })
-    resizeGroupNodes(graph)
-    graph.getEdges().forEach(edge => {
-      const src = graph.getCellById(edge.getSourceCellId())
-      const tgt = graph.getCellById(edge.getTargetCellId())
-      if (src?.getData()?.cycle || tgt?.getData()?.cycle) {
-        edge.toFront()
-      }
-    })
-    graph.getNodes().forEach(node => {
-      if (node.getData()?.cycle) node.toFront()
-    })
-    graph.enableHistory()
-  }
-  syncChildRelationshipsRef.current = syncChildRelationships
   /**
    * Setup X6 graph plugins (MiniMap, Snapline, Clipboard, Keyboard)
    */
@@ -600,44 +525,18 @@ export const useWorkflowGraph = ({
       new History({
         enabled: false,
         beforeAddCommand(_event, args: any) {
-          const key = args?.key
-          if (key === 'attrs' || key === 'tools') return false
+          const event = args?.key ? `cell:change:${args.key}` : _event;
+          if (event.startsWith('cell:change:') &&
+            event !== 'cell:change:position' &&
+            event !== 'cell:change:source' &&
+            event !== 'cell:change:target') return false;
         },
       }),
     );
-    const MERGE_INTERVAL = 1000
-    graphRef.current.on('history:change', ({ cmds, options }: { cmds: any[]; options: any }) => {
+    graphRef.current.on('history:change', ({ cmds }: { cmds: Command[] }) => {
       setCanUndo(graphRef.current?.canUndo() ?? false)
       setCanRedo(graphRef.current?.canRedo() ?? false)
-      console.log('history:change', cmds, options)
-      const batchName: string | undefined = options?.name
-      const actionType = batchName === 'undo' ? 'undo' : batchName === 'redo' ? 'redo' : batchName ? 'batch' : 'change'
-      const cellIds = [...new Set(cmds?.map((cmd: any) => cmd.data?.id).filter(Boolean))]
-      const now = Date.now()
-      const last = lastHistoryRef.current
-      const canMerge =
-        actionType === 'change' &&
-        last?.type === 'change' &&
-        now - last.timestamp < MERGE_INTERVAL &&
-        cellIds.length > 0 &&
-        cellIds.length === last.cellIds.length &&
-        cellIds.every((id, i) => id === last.cellIds[i])
-      if (canMerge) {
-        lastHistoryRef.current!.timestamp = now
-        setHistoryRecords(prev => {
-          const next = [...prev]
-          next[next.length - 1] = { ...next[next.length - 1], timestamp: now }
-          return next
-        })
-      } else {
-        const record: HistoryRecord = { type: actionType, timestamp: now, batchName, cellIds }
-        lastHistoryRef.current = { cellIds, timestamp: now, type: actionType }
-        setHistoryRecords(prev => [...prev, record])
-      }
     })
-
-    graphRef.current.on('history:undo', () => { if (!isSyncingRef.current) syncChildRelationshipsRef.current() })
-    graphRef.current.on('history:redo', () => { if (!isSyncingRef.current) syncChildRelationshipsRef.current() })
   };
   // 显示/隐藏连接桩
   // const showPorts = (show: boolean) => {
@@ -670,13 +569,13 @@ export const useWorkflowGraph = ({
           vo.setData({
             ...data,
             isSelected: false,
-          }, { silent: true });
+          });
         }
       });
       node.setData({
         ...nodeData,
         isSelected: true,
-      }, { silent: true });
+      });
       clearEdgeSelect()
       if (nodeData.type !== 'notes') {
         setSelectedNode(node);
@@ -690,7 +589,7 @@ export const useWorkflowGraph = ({
   const edgeClick = ({ edge }: { edge: Edge }) => {
     clearEdgeSelect();
     edge.setAttrByPath('line/stroke', edge_selected_color);
-    edge.setData({ ...edge.getData(), isSelected: true }, { silent: true });
+    edge.setData({ ...edge.getData(), isSelected: true });
     clearNodeSelect();
   };
   /**
@@ -705,7 +604,7 @@ export const useWorkflowGraph = ({
         node.setData({
           ...data,
           isSelected: false,
-        }, { silent: true });
+        });
       }
     });
     setSelectedNode(null);
@@ -715,7 +614,7 @@ export const useWorkflowGraph = ({
    */
   const clearEdgeSelect = () => {
     graphRef.current?.getEdges().forEach(e => {
-      e.setData({ ...e.getData(), isSelected: false, isNodeHover: false }, { silent: true });
+      e.setData({ ...e.getData(), isSelected: false, isNodeHover: false });
       e.setAttrByPath('line/stroke', edge_color);
       e.setAttrByPath('line/strokeWidth', edge_width);
     });
@@ -854,6 +753,8 @@ export const useWorkflowGraph = ({
           // Find corresponding parent node
           const parentNode = nodes?.find(n => n.id === nodeData.cycle);
           if (parentNode) {
+            // Use removeChild method to delete child node
+            parentNode.removeChild(nodeToDelete);
             parentNodesToUpdate.push(parentNode);
           }
           // Add child node to deletion list
@@ -881,51 +782,42 @@ export const useWorkflowGraph = ({
 
     // Delete all collected nodes and edges
     if (cells.length > 0) {
-      // Pre-calculate which parents need an add-node restored (before removal changes the graph)
-      const parentsNeedingAddNode = parentNodesToUpdate
-        .filter(parentNode => {
-          const parentShape = parentNode.shape;
-          if (parentShape !== 'loop-node' && parentShape !== 'iteration-node') return false;
-          const parentData = parentNode.getData();
-          const allChildren = graphRef.current!.getNodes().filter(n => n.getData()?.cycle === parentData.id);
-          const cycleStartNodes = allChildren.filter(n => n.getData()?.type === 'cycle-start');
-          // After deletion, only cycle-start will remain
-          const nonCycleStartToDelete = cells.filter(c =>
-            c.isNode() &&
-            (c as Node).getData()?.cycle === parentData.id &&
-            (c as Node).getData()?.type !== 'cycle-start'
-          );
-          return cycleStartNodes.length === 1 && (allChildren.length - nonCycleStartToDelete.length) === 1;
-        })
-        .map(parentNode => ({
-          parentNode,
-          cycleStartNode: graphRef.current!.getNodes().find(
-            n => n.getData()?.cycle === parentNode.getData().id && n.getData()?.type === 'cycle-start'
-          )!
-        }))
-        .filter(({ cycleStartNode }) => !!cycleStartNode);
-
-      graphRef.current?.startBatch('delete');
       graphRef.current?.removeCells(cells);
 
-      parentsNeedingAddNode.forEach(({ parentNode, cycleStartNode }) => {
+      // If parent is iteration/loop and only cycle-start remains, add add-node connected to it
+      parentNodesToUpdate.forEach(parentNode => {
+        const parentShape = parentNode.shape;
+        if (parentShape !== 'loop-node' && parentShape !== 'iteration-node') return;
         const parentData = parentNode.getData();
-        const bbox = cycleStartNode.getBBox();
-        const addNode = graphRef.current!.addNode({
-          ...graphNodeLibrary.addStart,
-          x: bbox.x + 84,
-          y: bbox.y + 4,
-          data: { type: 'add-node', parentId: parentNode.id, cycle: parentData.id, label: t('workflow.addNode'), icon: '+' },
-        });
-        parentNode.addChild(addNode, { silent: true });
-        graphRef.current!.addEdge({
-          source: { cell: cycleStartNode.id, port: cycleStartNode.getPorts().find(p => p.group === 'right')?.id || 'right' },
-          target: { cell: addNode.id, port: addNode.getPorts().find(p => p.group === 'left')?.id || 'left' },
-          ...edgeAttrs,
-        });
+        const remainingChildren = graphRef.current!.getNodes().filter(
+          n => n.getData()?.cycle === parentData.id
+        );
+        const cycleStartNodes = remainingChildren.filter(n => n.getData()?.type === 'cycle-start');
+        if (cycleStartNodes.length === 1 && remainingChildren.length === 1) {
+          const cycleStartNode = cycleStartNodes[0];
+          const bbox = cycleStartNode.getBBox();
+          const addNode = graphRef.current!.addNode({
+            ...graphNodeLibrary.addStart,
+            x: bbox.x + 84,
+            y: bbox.y + 4,
+            data: {
+              type: 'add-node',
+              parentId: parentNode.id,
+              cycle: parentData.id,
+              label: t('workflow.addNode'),
+              icon: '+',
+            },
+          });
+          parentNode.addChild(addNode);
+          const sourcePort = cycleStartNode.getPorts().find(p => p.group === 'right')?.id || 'right';
+          const targetPort = addNode.getPorts().find(p => p.group === 'left')?.id || 'left';
+          graphRef.current!.addEdge({
+            source: { cell: cycleStartNode.id, port: sourcePort },
+            target: { cell: addNode.id, port: targetPort },
+            ...edgeAttrs,
+          });
+        }
       });
-
-      graphRef.current?.stopBatch('delete');
     }
     return false;
   };
@@ -1144,7 +1036,7 @@ export const useWorkflowGraph = ({
       graphRef.current?.getConnectedEdges(node).forEach(edge => {
         if (!edge.getData()?.isSelected) {
           edge.setAttrByPath('line/stroke', edge_selected_color);
-          edge.setData({ ...edge.getData(), isNodeHover: true }, { silent: true });
+          edge.setData({ ...edge.getData(), isNodeHover: true });
         }
       });
     });
@@ -1152,7 +1044,7 @@ export const useWorkflowGraph = ({
       graphRef.current?.getConnectedEdges(node).forEach(edge => {
         if (!edge.getData()?.isSelected) {
           edge.setAttrByPath('line/stroke', edge_color);
-          edge.setData({ ...edge.getData(), isNodeHover: false }, { silent: true });
+          edge.setData({ ...edge.getData(), isNodeHover: false });
         }
       });
     });
@@ -1234,8 +1126,8 @@ export const useWorkflowGraph = ({
     // Delete selected nodes and edges
     graphRef.current.bindKey(['ctrl+d', 'cmd+d', 'delete', 'backspace'], deleteEvent);
     // Undo / Redo
-    graphRef.current.bindKey(['ctrl+z', 'cmd+z'], () => { undo(); return false; });
-    graphRef.current.bindKey(['ctrl+y', 'cmd+y', 'ctrl+shift+z', 'cmd+shift+z'], () => { redo(); return false; });
+    graphRef.current.bindKey(['ctrl+z', 'cmd+z'], () => { graphRef.current?.undo(); return false; });
+    graphRef.current.bindKey(['ctrl+y', 'cmd+y', 'ctrl+shift+z', 'cmd+shift+z'], () => { graphRef.current?.redo(); return false; });
 
   };
 
@@ -1301,51 +1193,13 @@ export const useWorkflowGraph = ({
     };
 
     if (dragData.type === 'loop' || dragData.type === 'iteration') {
-      graph.disableHistory()
-      const parentNode = graphRef.current.addNode({
+      graphRef.current.addNode({
         ...graphNodeLibrary[dragData.type],
         x: point.x - 150,
         y: point.y - 100,
         id: cleanNodeData.id,
         data: { ...cleanNodeData, isGroup: true },
-      })
-      const parentBBox = parentNode.getBBox()
-      const cycleStartId = `cycle_start_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`
-      const cycleStartNode = graphRef.current.addNode({
-        ...graphNodeLibrary.cycleStart,
-        x: parentBBox.x + 24,
-        y: parentBBox.y + 70,
-        id: cycleStartId,
-        data: { id: cycleStartId, type: 'cycle-start', parentId: cleanNodeData.id, isDefault: true, cycle: cleanNodeData.id },
-      })
-      const addNode = graphRef.current.addNode({
-        ...graphNodeLibrary.addStart,
-        x: parentBBox.x + 24 + 84,
-        y: parentBBox.y + 70 + 4,
-        data: { type: 'add-node', label: t('workflow.addNode'), icon: '+', parentId: cleanNodeData.id, cycle: cleanNodeData.id },
-      })
-      parentNode.addChild(cycleStartNode, { silent: true })
-      parentNode.addChild(addNode, { silent: true })
-      const newEdge = graphRef.current.addEdge({
-        source: { cell: cycleStartNode.id, port: cycleStartNode.getPorts().find(p => p.group === 'right')?.id || 'right' },
-        target: { cell: addNode.id, port: addNode.getPorts().find(p => p.group === 'left')?.id || 'left' },
-        ...edgeAttrs,
-      })
-      cycleStartNode.toFront()
-      addNode.toFront()
-      graph.enableHistory()
-      // Manually push a single batch frame covering all 4 cells into undoStack
-      const history = graph.getPlugin('history') as History
-      const makeBatchCmd = (cell: any) => ({
-        batch: true,
-        event: 'cell:added',
-        data: { id: cell.id, node: cell.isNode(), edge: cell.isEdge(), props: cell.toJSON() },
-        options: {},
-      })
-      const batchFrame = [parentNode, cycleStartNode, addNode, newEdge].map(makeBatchCmd)
-      ;(history as any).undoStack.push(batchFrame)
-      ;(history as any).redoStack = []
-      graph.trigger('history:change', { cmds: batchFrame, options: { name: 'add-group' } })
+      });
     } else if (dragData.type === 'if-else') {
       // Create condition node
       graphRef.current.addNode({
@@ -1592,80 +1446,8 @@ export const useWorkflowGraph = ({
     return userVars
   }
 
-  const clearHistoryRecords = () => {
-    setHistoryRecords([])
-    lastHistoryRef.current = null
-  }
-
-  const getStackCellIds = (cmds: any): string[] => {
-    const arr = Array.isArray(cmds) ? cmds : [cmds]
-    return [...new Set(arr.map((c: any) => c.data?.id).filter(Boolean))]
-  }
-
-  const isSkippableFrame = (frame: any): boolean => {
-    const arr = Array.isArray(frame) ? frame : [frame]
-    return arr.every((c: any) => ['zIndex', 'attrs', 'tools'].includes(c.data?.key))
-  }
-
-  const undo = () => {
-    const history = graphRef.current?.getPlugin('history') as History | undefined
-    if (!history || history.getUndoSize() === 0) return
-    const undoStack = (history as any).undoStack as any[]
-    isSyncingRef.current = true
-    while (undoStack.length > 0 && isSkippableFrame(undoStack[undoStack.length - 1])) {
-      graphRef.current!.undo()
-    }
-    if (undoStack.length === 0) {
-      isSyncingRef.current = false
-      return
-    }
-    const topIds = getStackCellIds(undoStack[undoStack.length - 1])
-    graphRef.current!.undo()
-    while (undoStack.length > 0) {
-      if (isSkippableFrame(undoStack[undoStack.length - 1])) {
-        graphRef.current!.undo()
-        continue
-      }
-      const nextIds = getStackCellIds(undoStack[undoStack.length - 1])
-      if (nextIds.length === topIds.length && nextIds.every((id, i) => id === topIds[i])) {
-        graphRef.current!.undo()
-      } else {
-        break
-      }
-    }
-    isSyncingRef.current = false
-    syncChildRelationships()
-  }
-
-  const redo = () => {
-    const history = graphRef.current?.getPlugin('history') as History | undefined
-    if (!history || history.getRedoSize() === 0) return
-    const redoStack = (history as any).redoStack as any[]
-    isSyncingRef.current = true
-    while (redoStack.length > 0 && isSkippableFrame(redoStack[redoStack.length - 1])) {
-      graphRef.current!.redo()
-    }
-    if (redoStack.length === 0) {
-      isSyncingRef.current = false
-      return
-    }
-    const topIds = getStackCellIds(redoStack[redoStack.length - 1])
-    graphRef.current!.redo()
-    while (redoStack.length > 0) {
-      if (isSkippableFrame(redoStack[redoStack.length - 1])) {
-        graphRef.current!.redo()
-        continue
-      }
-      const nextIds = getStackCellIds(redoStack[redoStack.length - 1])
-      if (nextIds.length === topIds.length && nextIds.every((id, i) => id === topIds[i])) {
-        graphRef.current!.redo()
-      } else {
-        break
-      }
-    }
-    isSyncingRef.current = false
-    syncChildRelationships()
-  }
+  const undo = () => graphRef.current?.undo()
+  const redo = () => graphRef.current?.redo()
 
   const handleSaveFeaturesConfig = (value?: FeaturesConfigForm) => {
     const { statement = '' } = value?.opening_statement || {}
@@ -1706,16 +1488,20 @@ export const useWorkflowGraph = ({
     if (!graphRef.current) return;
     const nodes = graphRef.current.getNodes();
 
-    // Reset all node execution status on every chatHistory change
+    const lastWithSub = [...chatHistory].reverse().find(item => item.subContent?.length);
+    // Reset all node execution status first
     nodes.forEach(node => {
       const data = node.getData();
-      node.setData({ ...data, executionStatus: '' });
+      if (typeof data.executionStatus === 'string') {
+        node.setData({ ...data, executionStatus: undefined });
+      }
     });
-
-    const lastAssistant = [...chatHistory].reverse().find(item => item.role === 'assistant');
-    if (!lastAssistant?.subContent?.length) return;
-    lastAssistant.subContent.forEach(sub => {
+    if (!lastWithSub?.subContent) return;
+    // Build a nodeId -> status map first
+    const statusMap: Record<string, string> = {};
+    lastWithSub.subContent.forEach(sub => {
       if (typeof sub.status === 'string') {
+        statusMap[sub.node_id] = sub.status;
         const node = nodes.find(n => n.getData()?.id === sub.node_id);
         if (node) {
           node.setData({ ...node.getData(), executionStatus: sub.status });
@@ -1751,7 +1537,5 @@ export const useWorkflowGraph = ({
     canRedo,
     undo,
     redo,
-    historyRecords,
-    clearHistoryRecords,
   };
 };

web/src/views/Workflow/types.ts

@@ -113,13 +113,4 @@ export interface ChatVariable {
 }
 export interface AddChatVariableRef {
   handleOpen: (value?: ChatVariable) => void;
-}
-
-export type HistoryActionType = 'add' | 'remove' | 'change' | 'undo' | 'redo' | 'batch'
-
-export interface HistoryRecord {
-  type: HistoryActionType;
-  timestamp: number;
-  batchName?: string;
-  cellIds?: string[];
 }

web/src/views/Workflow/utils.ts

@@ -17,7 +17,6 @@ export const isSubExprSet = (sub: any) => {
  * Uses the same per-expression height logic as getConditionNodeCasePortY.
  */
 export const calcConditionNodeTotalHeight = (cases: any[]) => {
-  if (!cases?.length) return conditionNodeHeight;
   const casesHeight = cases.reduce((acc: number, c: any) => {
     const exprs = c?.expressions ?? [];
     const n = exprs.length;