diff --git a/api/app/controllers/model_controller.py b/api/app/controllers/model_controller.py
index e5a1cec3..d76f0b1d 100644
--- a/api/app/controllers/model_controller.py
+++ b/api/app/controllers/model_controller.py
@@ -326,6 +326,8 @@ async def update_composite_model(
     api_logger.info(f"更新组合模型请求: model_id={model_id}, 用户: {current_user.username}")
     
     try:
+        if model_data.type is not None:
+            raise BusinessException("不允许更改模型类型和供应商", BizCode.INVALID_PARAMETER)
         result_orm = await ModelConfigService.update_composite_model(db=db, model_id=model_id, model_data=model_data, tenant_id=current_user.tenant_id)
         api_logger.info(f"组合模型更新成功: {result_orm.name} (ID: {model_id})")
         
diff --git a/api/app/core/models/scripts/dashscope_models.yaml b/api/app/core/models/scripts/dashscope_models.yaml
index 24997728..c02ca2cb 100644
--- a/api/app/core/models/scripts/dashscope_models.yaml
+++ b/api/app/core/models/scripts/dashscope_models.yaml
@@ -767,26 +767,6 @@ models:
   tags:
   - 重排序模型
   logo: dashscope
-- name: paraformer-realtime-v1
-  type: speech2text
-  provider: dashscope
-  description: paraformer-realtime-v1语音转文字模型，支持多格式音频/视频文件，文件上传限制100MB
-  is_deprecated: false
-  is_official: true
-  tags:
-  - 语音识别
-  - 语音转文字
-  logo: dashscope
-- name: paraformer-realtime-v2
-  type: speech2text
-  provider: dashscope
-  description: paraformer-realtime-v2语音转文字模型，支持多格式音频/视频文件，文件上传限制100MB
-  is_deprecated: false
-  is_official: true
-  tags:
-  - 语音识别
-  - 语音转文字
-  logo: dashscope
 - name: multimodal-embedding-v1
   type: embedding
   provider: dashscope
@@ -838,13 +818,3 @@ models:
   - 嵌入模型
   - 文本嵌入
   logo: dashscope
-- name: tts-1
-  type: tts
-  provider: dashscope
-  description: tts-1语音合成模型，默认音色知茹（新闻女声），支持多语言多音色，最大文本长度7000字，输出MP3格式
-  is_deprecated: false
-  is_official: true
-  tags:
-  - 语音合成
-  - 文字转语音
-  logo: dashscope
diff --git a/api/app/core/models/scripts/openai_models.yaml b/api/app/core/models/scripts/openai_models.yaml
index 7ae2cfce..c114d53f 100644
--- a/api/app/core/models/scripts/openai_models.yaml
+++ b/api/app/core/models/scripts/openai_models.yaml
@@ -265,33 +265,6 @@ models:
   - stream-tool-call
   - structured-output
   logo: openai
-- name: gpt-4o-mini-transcribe
-  type: speech2text
-  provider: openai
-  description: gpt-4o-mini-transcribe语音转文本模型，文件上传限制25MB，支持flac,mp3,mp4,mpeg,mpga,m4a,ogg,wav,webm格式
-  is_deprecated: false
-  is_official: true
-  tags:
-  - 语音转文本模型
-  logo: openai
-- name: gpt-4o-transcribe
-  type: speech2text
-  provider: openai
-  description: gpt-4o-transcribe语音转文本模型，文件上传限制25MB，支持flac,mp3,mp4,mpeg,mpga,m4a,ogg,wav,webm格式
-  is_deprecated: false
-  is_official: true
-  tags:
-  - 语音转文本模型
-  logo: openai
-- name: whisper-1
-  type: speech2text
-  provider: openai
-  description: whisper-1语音转文本模型，文件上传限制25MB，支持flac,mp3,mp4,mpeg,mpga,m4a,ogg,wav,webm格式
-  is_deprecated: false
-  is_official: true
-  tags:
-  - 语音转文本模型
-  logo: openai
 - name: text-embedding-3-large
   type: embedding
   provider: openai
@@ -319,30 +292,3 @@ models:
   tags:
   - 文本向量模型
   logo: openai
-- name: gpt-4o-mini-tts
-  type: tts
-  provider: openai
-  description: gpt-4o-mini-tts文本转语音模型，输出音频格式mp3，支持多语种语音，字数限制3500
-  is_deprecated: false
-  is_official: true
-  tags:
-  - 文本转语音模型
-  logo: openai
-- name: tts-1-hd
-  type: tts
-  provider: openai
-  description: tts-1-hd高清文本转语音模型，输出音频格式mp3，支持多语种语音，字数限制3500
-  is_deprecated: false
-  is_official: true
-  tags:
-  - 文本转语音模型
-  logo: openai
-- name: tts-1
-  type: tts
-  provider: openai
-  description: tts-1文本转语音模型，输出音频格式mp3，支持多语种语音，字数限制3500
-  is_deprecated: false
-  is_official: true
-  tags:
-  - 文本转语音模型
-  logo: openai
diff --git a/api/app/models/models_model.py b/api/app/models/models_model.py
index 11a869a6..3e378f17 100644
--- a/api/app/models/models_model.py
+++ b/api/app/models/models_model.py
@@ -24,8 +24,8 @@ class ModelType(StrEnum):
     CHAT = "chat"
     EMBEDDING = "embedding"
     RERANK = "rerank"
-    TTS = "tts"
-    SPEECH2TEXT = "speech2text"
+    # TTS = "tts"
+    # SPEECH2TEXT = "speech2text"
     # IMAGE = "image"
     # AUDIO = "audio"
     # VISION = "vision"
diff --git a/api/app/schemas/model_schema.py b/api/app/schemas/model_schema.py
index 73f60936..a2d3650a 100644
--- a/api/app/schemas/model_schema.py
+++ b/api/app/schemas/model_schema.py
@@ -43,7 +43,7 @@ class ModelConfigCreate(ModelConfigBase):
 class CompositeModelCreate(BaseModel):
     """创建组合模型Schema"""
     name: str = Field(..., description="组合模型名称", max_length=255)
-    type: ModelType = Field(..., description="模型类型")
+    type: Optional[ModelType] = Field(None, description="模型类型")
     logo: Optional[str] = Field(None, description="模型logo图片URL", max_length=255)
     description: Optional[str] = Field(None, description="模型描述")
     config: Optional[Dict[str, Any]] = Field({}, description="模型配置参数")
diff --git a/api/app/services/model_service.py b/api/app/services/model_service.py
index 729fc192..ceb9cd70 100644
--- a/api/app/services/model_service.py
+++ b/api/app/services/model_service.py
@@ -382,7 +382,7 @@ class ModelConfigService:
             for model_config in api_key.model_configs:
                 compatible_types = {ModelType.LLM, ModelType.CHAT}
                 config_type = model_config.type
-                request_type = model_data.type
+                request_type = existing_model.type
                 
                 if not (config_type == request_type or 
                         (config_type in compatible_types and request_type in compatible_types)):
@@ -393,7 +393,7 @@ class ModelConfigService:
         
         # 更新基本信息
         existing_model.name = model_data.name
-        existing_model.type = model_data.type
+        # existing_model.type = model_data.type
         existing_model.logo = model_data.logo
         existing_model.description = model_data.description
         existing_model.config = model_data.config