diff --git a/data_chain/apps/base/convertor.py b/data_chain/apps/base/convertor.py
index fdd2e6f09876e8558efbc22d1e6d720322030a4b..1f14b444901cd8ed8dbc6e8224bb1903bae2ff53 100644
--- a/data_chain/apps/base/convertor.py
+++ b/data_chain/apps/base/convertor.py
@@ -402,9 +402,11 @@ class Convertor:
         """将更新分片请求转换为字典"""
         try:
             req_dict = {
-                'text': req.text,
-                'enabled': req.enabled
             }
+            if req.text is not None:
+                req_dict['text'] = req.text
+            if req.enabled is not None:
+                req_dict['enabled'] = req.enabled
             return req_dict
         except Exception as e:
             err = "更新分片请求转换为字典失败"
@@ -419,7 +421,8 @@ class Convertor:
             chunk = Chunk(
                 chunkId=chunk_entity.id,
                 chunkType=ChunkType(chunk_entity.type),
-                text=chunk_entity.text
+                text=chunk_entity.text,
+                enabled=chunk_entity.enabled,
             )
             return chunk
         except Exception as e:
diff --git a/data_chain/apps/router/chunk.py b/data_chain/apps/router/chunk.py
index f456843123b9c7f006afe78ccb651e7e7d4e3348..990930f598431dff60df9000ffaecf1927898b1c 100644
--- a/data_chain/apps/router/chunk.py
+++ b/data_chain/apps/router/chunk.py
@@ -44,10 +44,10 @@ async def search_chunks(
     return SearchChunkResponse(result=search_chunk_msg)
 
 
-@router.put('/', response_model=UpdateChunkResponse, dependencies=[Depends(verify_user)])
+@router.put('', response_model=UpdateChunkResponse, dependencies=[Depends(verify_user)])
 async def update_chunk_by_id(user_sub: Annotated[str, Depends(get_user_sub)],
                              action: Annotated[str, Depends(get_route_info)],
-                             chunk_id: Annotated[list[UUID], Query(alias="chunkId")],
+                             chunk_id: Annotated[UUID, Query(alias="chunkId")],
                              req: Annotated[UpdateChunkRequest, Body()]):
     if not (await ChunkService.validate_user_action_to_chunk(user_sub, chunk_id, action)):
         raise Exception("用户没有权限访问该文档的分片")
diff --git a/data_chain/apps/service/chunk_service.py b/data_chain/apps/service/chunk_service.py
index 49cf06df61f045243d406228c7334b1f15a5d69d..6b843957748f26c2eb384a39837ee45d7dd86922 100644
--- a/data_chain/apps/service/chunk_service.py
+++ b/data_chain/apps/service/chunk_service.py
@@ -131,8 +131,9 @@ class ChunkService:
     async def update_chunk_by_id(chunk_id: uuid.UUID, req: UpdateChunkRequest) -> uuid.UUID:
         try:
             chunk_dict = await Convertor.convert_update_chunk_request_to_dict(req)
-            vector = await Embedding.get_embedding(req.text)
-            chunk_dict["text_vector"] = vector
+            if req.text:
+                vector = await Embedding.vectorize_embedding(req.text)
+                chunk_dict["text_vector"] = vector
             chunk_entity = await ChunkManager.update_chunk_by_chunk_id(chunk_id, chunk_dict)
             return chunk_entity.id
         except Exception as e:
diff --git a/data_chain/entities/request_data.py b/data_chain/entities/request_data.py
index 52a9153da9208de15384eb94b023109c9a0c5818..4d6f798ee4cae1999176d258487f699e9bd91fe3 100644
--- a/data_chain/entities/request_data.py
+++ b/data_chain/entities/request_data.py
@@ -131,8 +131,8 @@ class ListChunkRequest(BaseModel):
 
 
 class UpdateChunkRequest(BaseModel):
-    text: str = Field(default='这是一个默认的分块文本', description="分块文本内容", alias="text")
-    enabled: bool = Field(default=True, description="分块是否启用")
+    text: Optional[str] = Field(default=None, description="分块文本内容", alias="text")
+    enabled: Optional[bool] = Field(default=None, description="分块是否启用")
 
 
 class SearchChunkRequest(BaseModel):
diff --git a/data_chain/entities/response_data.py b/data_chain/entities/response_data.py
index 820ad638eb29a80048d5f6d1e0f003ec27364c4a..a0cd035e08b697d0b1e244d32b0d2515e6b6f558 100644
--- a/data_chain/entities/response_data.py
+++ b/data_chain/entities/response_data.py
@@ -279,6 +279,7 @@ class Chunk(BaseModel):
     chunk_id: uuid.UUID = Field(description="分片ID", alias="chunkId")
     chunk_type: ChunkType = Field(description="分片类型", alias="chunkType")
     text: str = Field(description="分片文本")
+    enabled: bool = Field(description="分片是否启用", alias="enabled")
 
 
 class ListChunkMsg(BaseModel):