diff --git a/api/app/core/rag/nlp/search.py b/api/app/core/rag/nlp/search.py
index 9bd5e0ce..db93bc48 100644
--- a/api/app/core/rag/nlp/search.py
+++ b/api/app/core/rag/nlp/search.py
@@ -172,7 +172,7 @@ def _retrieve_for_knowledge(
             return results, chat_model, embedding_model
 
     # Folder 类型：递归处理子知识库
-    if db_knowledge.type == knowledge_model.KnowledgeType.Folder:
+    if db_knowledge.type == knowledge_model.KnowledgeType.FOLDER:
         children = knowledge_repository.get_knowledges_by_parent_id(db=db, parent_id=db_knowledge.id)
         for child in children:
             if not (child and child.chunk_num > 0 and child.status == 1):
diff --git a/api/app/services/workflow_service.py b/api/app/services/workflow_service.py
index 6503fe25..04a778a1 100644
--- a/api/app/services/workflow_service.py
+++ b/api/app/services/workflow_service.py
@@ -636,30 +636,33 @@ class WorkflowService:
                 final_messages = result.get("messages", [])[init_message_length:]
                 human_message = ""
                 assistant_message = ""
+                human_meta = {
+                    "files": []
+                }
                 for message in final_messages:
                     if message["role"] == "user":
                         if isinstance(message["content"], str):
                             human_message += message["content"]
                         elif isinstance(message["content"], list):
                             for file in message["content"]:
-                                if file.get("type") == FileType.IMAGE:
-                                    human_message += f"![image]({file.get('url', '')})"
-                                else:
-                                    human_message += f"[{file.get('type')}]({file.get('url', '')})"
+                                human_meta["files"].append({
+                                    "type": file.get("type"),
+                                    "url": file.get("url")
+                                })
                     if message["role"] == "assistant":
                         assistant_message = message["content"]
                 self.conversation_service.add_message(
                     conversation_id=conversation_id_uuid,
                     role="user",
                     content=human_message,
-                    meta_data=None
+                    meta_data=human_meta
                 )
                 self.conversation_service.add_message(
                     message_id=message_id,
                     conversation_id=conversation_id_uuid,
                     role="assistant",
                     content=assistant_message,
-                    meta_data={"usage": token_usage}
+                    meta_data={"usage": token_usage, "audio_url": None}
                 )
                 self.update_execution_status(
                     execution.execution_id,
diff --git a/web/src/components/ButtonCheckbox/index.tsx b/web/src/components/ButtonCheckbox/index.tsx
index 41824fd1..18bca7c6 100644
--- a/web/src/components/ButtonCheckbox/index.tsx
+++ b/web/src/components/ButtonCheckbox/index.tsx
@@ -2,7 +2,7 @@
  * @Author: ZhaoYing 
  * @Date: 2026-02-02 15:01:59 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-03-17 15:35:34
+ * @Last Modified time: 2026-03-19 13:41:26
  */
 
 /**
@@ -42,7 +42,8 @@ const ButtonCheckbox: FC<ButtonCheckboxProps> = ({
   icon,
   checkedIcon,
   children,
-  cicle = false
+  cicle = false,
+  disabled,
 }) => {
   // Listen to value changes and trigger side effects via onValueChange callback
   useEffect(() => {
@@ -70,6 +71,7 @@ const ButtonCheckbox: FC<ButtonCheckboxProps> = ({
         "rb:bg-[rgba(21,94,239,0.06)] rb:border-[rgba(21,94,239,0.25)] rb:hover:bg-[rgba(21,94,239,0.06)] rb:text-[#155EEF]": checked,
         // Unchecked state: gray border and dark text
         "rb:border-[#DFE4ED] rb:text-[#212332]": !checked,
+        "rb:opacity-65 rb:cursor-not-allowed!": disabled
       })} 
       onClick={handleChange}
     >
diff --git a/web/src/components/Chat/ChatContent.tsx b/web/src/components/Chat/ChatContent.tsx
index c73d91f5..c77e8384 100644
--- a/web/src/components/Chat/ChatContent.tsx
+++ b/web/src/components/Chat/ChatContent.tsx
@@ -2,7 +2,7 @@
  * @Author: ZhaoYing 
  * @Date: 2025-12-10 16:46:17 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-03-19 10:37:01
+ * @Last Modified time: 2026-03-19 13:38:20
  */
 import { type FC, useRef, useEffect, useState } from 'react'
 import clsx from 'clsx'
@@ -118,7 +118,7 @@ const ChatContent: FC<ChatContentProps> = ({
                     {labelFormat(item)}
                   </div>
                 }
-                {item.meta_data?.files && item.meta_data?.files.length > 0 && <Flex vertical align="end">
+                {item.meta_data?.files && item.meta_data?.files.length > 0 && <Flex gap={8} vertical align="end">
                   {item.meta_data?.files?.map((file) => {
                     if (file.type.includes('image')) {
                       return (
diff --git a/web/src/components/Chat/ChatInput.tsx b/web/src/components/Chat/ChatInput.tsx
index 508b0d0c..7daf935c 100644
--- a/web/src/components/Chat/ChatInput.tsx
+++ b/web/src/components/Chat/ChatInput.tsx
@@ -2,7 +2,7 @@
  * @Author: ZhaoYing 
  * @Date: 2025-12-10 16:46:14 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-03-06 13:36:20
+ * @Last Modified time: 2026-03-19 16:05:56
  */
 import { type FC, useEffect, useMemo } from 'react'
 import { Flex, Input, Form } from 'antd'
@@ -109,15 +109,20 @@ const ChatInput: FC<ChatInputProps> = ({
             }
             return (
               <div key={file.url || file.uid} className="rb:w-45 rb:text-[12px] rb:gap-2.5 rb:flex rb:items-center rb:group rb:relative rb:rounded-lg rb:bg-[#F0F3F8] rb:py-2 rb:px-2.5">
-                {(file.type.includes('doc') || file.type.includes('docx') || file.type.includes('word') || file.type.includes('wordprocessingml.document')) && <div
-                  className="rb:size-5 rb:cursor-pointer rb:bg-cover rb:bg-[url('@/assets/images/conversation/word_disabled.svg')] rb:hover:bg-[url('@/assets/images/conversation/word.svg')]"
-                ></div>}
-                {(file.type.includes('pdf')) && <div
-                  className="rb:size-5 rb:cursor-pointer rb:bg-cover rb:bg-[url('@/assets/images/conversation/pdf_disabled.svg')] rb:hover:bg-[url('@/assets/images/conversation/pdf.svg')]"
-                ></div>}
-                {(file.type.includes('excel') || file.type.includes('spreadsheetml.sheet') || file.type.includes('csv')) && <div
-                  className="rb:size-5 rb:cursor-pointer rb:bg-cover rb:bg-[url('@/assets/images/conversation/excel_disabled.svg')] rb:hover:bg-[url('@/assets/images/conversation/excel.svg')]"
-                ></div>}
+                {file.type.includes('pdf')
+                  ? <div
+                    className="rb:size-5 rb:cursor-pointer rb:bg-cover rb:bg-[url('@/assets/images/conversation/pdf_disabled.svg')] rb:hover:bg-[url('@/assets/images/conversation/pdf.svg')]"
+                  ></div>
+                  : (file.type.includes('excel') || file.type.includes('spreadsheetml.sheet') || file.type.includes('csv'))
+                  ? <div
+                    className="rb:size-5 rb:cursor-pointer rb:bg-cover rb:bg-[url('@/assets/images/conversation/excel_disabled.svg')] rb:hover:bg-[url('@/assets/images/conversation/excel.svg')]"
+                  ></div>
+                  : (file.type.includes('doc') || file.type.includes('docx') || file.type.includes('word') || file.type.includes('wordprocessingml.document'))
+                  ? <div
+                    className="rb:size-5 rb:cursor-pointer rb:bg-cover rb:bg-[url('@/assets/images/conversation/word_disabled.svg')] rb:hover:bg-[url('@/assets/images/conversation/word.svg')]"
+                  ></div>
+                  : null
+                }
                 <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">{file.type} · {file.size}</div>
diff --git a/web/src/i18n/en.ts b/web/src/i18n/en.ts
index dd5746e4..7ff1f30a 100644
--- a/web/src/i18n/en.ts
+++ b/web/src/i18n/en.ts
@@ -1564,6 +1564,7 @@ export const en = {
       summary: 'Summary',
       core_entities: 'Core Entities',
       communityDetailEmptyDesc: 'Click on a community in the chart on the left to view details',
+      communityLoadingTip: 'Generating community graph',
     },
     space: {
       createSpace: 'Create Space',
diff --git a/web/src/i18n/zh.ts b/web/src/i18n/zh.ts
index f7a84f00..49a1b803 100644
--- a/web/src/i18n/zh.ts
+++ b/web/src/i18n/zh.ts
@@ -1562,6 +1562,7 @@ export const zh = {
       summary: '摘要',
       core_entities: '核心实体',
       communityDetailEmptyDesc: '点击左侧图表中的社区查看详情',
+      communityLoadingTip: '社区图谱生成中',
     },
     space: {
       createSpace: '创建空间',
diff --git a/web/src/views/ApplicationConfig/components/ConfigHeader.tsx b/web/src/views/ApplicationConfig/components/ConfigHeader.tsx
index e2e1cf6f..77977a82 100644
--- a/web/src/views/ApplicationConfig/components/ConfigHeader.tsx
+++ b/web/src/views/ApplicationConfig/components/ConfigHeader.tsx
@@ -2,7 +2,7 @@
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 16:27:52 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-03-18 21:25:23
+ * @Last Modified time: 2026-03-19 17:13:54
  */
 import { type FC, useRef, useMemo, useCallback } from 'react';
 import { useNavigate, useParams } from 'react-router-dom';
@@ -212,7 +212,7 @@ const ConfigHeader: FC<ConfigHeaderProps> = ({
             className={styles.tabs}
           />
         </div>
-        {application?.type === 'workflow' && source !== 'sharing'
+        {application?.type === 'workflow' && source !== 'sharing' && activeTab === 'arrangement'
           ? <div className="rb:h-8 rb:flex rb:items-center rb:justify-end rb:gap-2.5">
             <FeaturesConfig source={application?.type} value={features as FeaturesConfigForm} refresh={handleSaveFeaturesConfig} />
             <Button onClick={clear}>{t('workflow.clear')}</Button>
diff --git a/web/src/views/ApplicationConfig/components/FeaturesConfig/FileUploadSettingModal.tsx b/web/src/views/ApplicationConfig/components/FeaturesConfig/FileUploadSettingModal.tsx
index f30b5aa8..3fb05a0e 100644
--- a/web/src/views/ApplicationConfig/components/FeaturesConfig/FileUploadSettingModal.tsx
+++ b/web/src/views/ApplicationConfig/components/FeaturesConfig/FileUploadSettingModal.tsx
@@ -2,7 +2,7 @@
  * @Author: ZhaoYing 
  * @Date: 2026-03-05 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-03-19 09:59:42
+ * @Last Modified time: 2026-03-19 15:18:20
  */
 import { forwardRef, useImperativeHandle, useState } from 'react';
 import { Form, InputNumber, Flex, Switch, Row, Col, Radio } from 'antd';
@@ -27,22 +27,43 @@ const fileTypeOptions = [
   {
     type: 'document',
     icon: <div className="rb:size-9 rb:bg-cover rb:bg-[url('@/assets/images/file/txt.svg')]"></div>,
-    formats: 'TXT, PDF, DOC, DOCX, XLSX, CSV, JSON',
+    formats: [
+      "pdf",
+      "docx",
+      "doc",
+      "xlsx",
+      "xls",
+      "txt",
+      "csv",
+      "json",
+      "md",
+    ],
   },
   {
     type: 'image',
     icon: <div className="rb:size-9 rb:bg-cover rb:bg-[url('@/assets/images/file/image.svg')]"></div>,
-    formats: 'JPG, JPEG, PNG, GIF, WEBP',
+    formats: [
+      "png",
+      "jpg",
+      "jpeg"
+    ],
   },
   {
     type: 'audio',
     icon: <div className="rb:size-9 rb:bg-cover rb:bg-[url('@/assets/images/file/audio.svg')]"></div>,
-    formats: 'MP3, M4A, WAV, OGG, FLAC',
+    formats: [
+      "mp3",
+      "wav",
+      "m4a",
+    ],
   },
   {
     type: 'video',
     icon: <div className="rb:size-9 rb:bg-cover rb:bg-[url('@/assets/images/file/video.svg')]"></div>,
-    formats: 'MP4, MOV, AVI, WEBM',
+    formats: [
+      "mp4",
+      "mov",
+    ],
   },
 ];
 
@@ -50,16 +71,38 @@ const defaultValues: FileUpload = {
   enabled: false,
   image_enabled: false,
   image_max_size_mb: 20,
-  image_allowed_extensions: ['png', 'jpg', 'jpeg', 'gif', 'webp'],
+  image_allowed_extensions: [
+    "png",
+    "jpg",
+    "jpeg"
+  ],
   audio_enabled: false,
   audio_max_size_mb: 50,
-  audio_allowed_extensions: ['mp3', 'wav', 'm4a', 'ogg', 'flac'],
+  audio_allowed_extensions: [
+    "mp3",
+    "wav",
+    "m4a",
+    "ogg",
+    "flac"
+  ],
   document_enabled: false,
   document_max_size_mb: 100,
-  document_allowed_extensions: ['pdf', 'docx', 'xlsx', 'txt', 'csv', 'json'],
+  document_allowed_extensions: [
+    "pdf",
+    "docx",
+    "xlsx",
+    "txt",
+    "csv",
+    "json"
+  ],
   video_enabled: false,
-  video_max_size_mb: 500,
-  video_allowed_extensions: ['mp4', 'mov', 'avi', 'webm'],
+  video_max_size_mb: 100,
+  video_allowed_extensions: [
+    "mp4",
+    "mov",
+    "avi",
+    "webm"
+  ],
   max_file_count: 5,
   allowed_transfer_methods: 'both'
 }
@@ -127,7 +170,7 @@ const FileUploadSettingModal = forwardRef<FileUploadSettingModalRef, FileUploadS
 
         <div className="rb:text-[12px] rb:text-[#5B6167] rb:mb-1">{t('application.maxCount')}</div>
         <Form.Item label={t('application.maxCount')} name="max_file_count">
-          <InputNumber min={1} max={100} precision={0} className="rb:w-full!" placeholder={t('common.pleaseEnter')} />
+          <InputNumber min={1} max={20} precision={0} className="rb:w-full!" placeholder={t('common.pleaseEnter')} />
         </Form.Item>
 
         <Form.Item label={t('application.supportedTypes')}>
@@ -149,7 +192,7 @@ const FileUploadSettingModal = forwardRef<FileUploadSettingModalRef, FileUploadS
                       <Flex align="center" justify="space-between">
                         <Flex vertical>
                           <div className="rb:font-medium">{t(`application.${option.type}`)}</div>
-                          <div className="rb:text-[12px] rb:text-[#5B6167]">{option.formats}</div>
+                          <div className="rb:text-[12px] rb:text-[#5B6167]">{option.formats.map(item => item.toUpperCase()).join(', ')}</div>
                         </Flex>
                         <Form.Item name={enabledKey} valuePropName="checked" noStyle>
                           <Switch />
@@ -161,7 +204,7 @@ const FileUploadSettingModal = forwardRef<FileUploadSettingModalRef, FileUploadS
                     <Flex align="center" gap={12} className="rb:mt-3! rb:pt-3! rb:border-t rb:border-[#DFE4ED]">
                       <div>{t('application.singleMaxSize')}: </div>
                       <Form.Item name={sizeKey} noStyle>
-                        <InputNumber min={1} max={500} suffix="MB" className="rb:flex-1" />
+                        <InputNumber min={1} max={100} suffix="MB" className="rb:flex-1" />
                       </Form.Item>
                       <Form.Item name={`${option.type}_allowed_extensions`} hidden />
                     </Flex>
diff --git a/web/src/views/Conversation/index.tsx b/web/src/views/Conversation/index.tsx
index 9774a8df..3a726746 100644
--- a/web/src/views/Conversation/index.tsx
+++ b/web/src/views/Conversation/index.tsx
@@ -2,7 +2,7 @@
  * @Author: ZhaoYing 
  * @Date: 2026-02-03 16:58:03 
  * @Last Modified by: ZhaoYing
- * @Last Modified time: 2026-03-18 20:54:00
+ * @Last Modified time: 2026-03-19 12:30:41
  */
 /**
  * Conversation Page
@@ -63,6 +63,7 @@ const Conversation: FC = () => {
   const [isHasMemory, setIsHasMemory] = useState(false)
   const [memory, setMemory] = useState(true)
   const [features, setFeatures] = useState<FeaturesConfigForm>({} as FeaturesConfigForm)
+  const [config, setConfig] = useState<Record<string, any>>({})
 
   useEffect(() => {
     const shareToken = localStorage.getItem(`shareToken_${token}`)
@@ -88,6 +89,7 @@ const Conversation: FC = () => {
         .then(res => {
           const response = res as { variables: Variable[]; features: FeaturesConfigForm; app_type: string; memory?: boolean; }
           toolbarRef.current?.setVariables(response.variables || [])
+          setConfig(response)
           setFeatures(response.features)
           setIsHasMemory((response.app_type === 'workflow' && response.memory) || (response.app_type !== 'workflow'))
         })
@@ -284,6 +286,7 @@ const Conversation: FC = () => {
   }
 
   const handleChangeMemory = (value: boolean) => {
+    if (config.app_type === 'workflow') return;
     modal.confirm({
       title: value ? t('memoryConversation.memoryTipTitle') : t('memoryConversation.memoryCancelTipTitle'),
       okText: t('common.confirm'),
@@ -388,6 +391,7 @@ const Conversation: FC = () => {
                     icon={MemoryFunctionIcon}
                     checkedIcon={MemoryFunctionCheckedIcon}
                     checked={memory}
+                    disabled={config.app_type === 'workflow'}
                     onChange={handleChangeMemory}
                   >
                     {t('memoryConversation.memory')}
diff --git a/web/src/views/UserMemoryDetail/components/CommunityNetwork.tsx b/web/src/views/UserMemoryDetail/components/CommunityNetwork.tsx
index 2757498d..75316693 100644
--- a/web/src/views/UserMemoryDetail/components/CommunityNetwork.tsx
+++ b/web/src/views/UserMemoryDetail/components/CommunityNetwork.tsx
@@ -1,6 +1,8 @@
 import React, { useState, type FC, useEffect } from 'react'
 import { useParams } from 'react-router-dom'
 import { useTranslation } from 'react-i18next'
+import { Spin, Flex } from 'antd';
+
 import type { CommunityD3Node, CommunityGraphData, RawCommunityGraphData, RawCommunityNode } from '@/components/D3Graph/types'
 import { buildCommunityGraphData } from '@/components/D3Graph/utils'
 import CommunityGraph from '@/components/D3Graph/CommunityGraph'
@@ -40,14 +42,17 @@ const NodeTooltip: FC<{ node: CommunityD3Node }> = ({ node }) => {
 
 const CommunityNetwork: FC<{ onSelectCommunity?: (node: RawCommunityNode) => void }> = ({ onSelectCommunity }) => {
   const { id } = useParams()
+  const { t } = useTranslation()
   const [graphData, setGraphData] = useState<CommunityGraphData | null>(null)
   const [empty, setEmpty] = useState(false)
+  const [loading, setLoading] = useState(false)
 
   useEffect(() => {
     if (!id) return
     const controller = new AbortController()
     setEmpty(false)
     setGraphData(null)
+    setLoading(true)
     getMemoryCommunityGraph(id, { signal: controller.signal }).then(res => {
       const raw = res as RawCommunityGraphData
       if (!raw.nodes?.length) { setEmpty(true); return }
@@ -55,9 +60,18 @@ const CommunityNetwork: FC<{ onSelectCommunity?: (node: RawCommunityNode) => voi
       if (!built) { setEmpty(true); return }
       setGraphData(built)
     }).catch((e) => { if (e?.code !== 'ERR_CANCELED') setEmpty(true) })
+      .finally(() => setLoading(false))
     return () => controller.abort()
   }, [id])
 
+  if (loading) {
+    return <Flex align="center" justify="center" className="rb:w-full rb:h-full">
+      <Spin tip={t('userMemory.communityLoadingTip')} size="large">
+        <div className="rb:w-64 rb:h-64" />
+      </Spin>
+      </Flex>
+  }
+
   return (
     <CommunityGraph
       data={graphData}