更新API请求体，移除不必要的请求参数

app/api/v1/endpoints/components/visuals.py

@@ -46,7 +46,7 @@ async def fastapi_get_vertex_properties(
 @router.post("/setvertexproperties/", response_model=None, summary="设置图形元素属性", description="更新指定图形元素的属性")
 async def fastapi_set_vertex_properties(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """设置图形元素属性。
     
@@ -58,7 +58,7 @@ async def fastapi_set_vertex_properties(
 @router.post("/addvertex/", response_model=None, summary="添加图形元素", description="在网络中添加一个新的图形元素")
 async def fastapi_add_vertex(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """添加图形元素。
     
@@ -70,7 +70,7 @@ async def fastapi_add_vertex(
 @router.post("/deletevertex/", response_model=None, summary="删除图形元素", description="从网络中删除指定的图形元素")
 async def fastapi_delete_vertex(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """删除图形元素。
     
@@ -118,7 +118,7 @@ async def fastapi_get_label_properties(
 @router.post("/setlabelproperties/", response_model=None, summary="设置标签属性", description="更新指定标签的属性")
 async def fastapi_set_label_properties(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """设置标签属性。
     
@@ -130,7 +130,7 @@ async def fastapi_set_label_properties(
 @router.post("/addlabel/", response_model=None, summary="添加标签", description="在网络中添加一个新的标签")
 async def fastapi_add_label(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """添加标签。
     
@@ -142,7 +142,7 @@ async def fastapi_add_label(
 @router.post("/deletelabel/", response_model=None, summary="删除标签", description="从网络中删除指定的标签")
 async def fastapi_delete_label(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """删除标签。
     
@@ -170,7 +170,7 @@ async def fastapi_get_backdrop_properties(network: str = Query(..., description=
 @router.post("/setbackdropproperties/", response_model=None, summary="设置背景属性", description="更新指定网络的背景属性")
 async def fastapi_set_backdrop_properties(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    req: Request = Body(...)
+    req: Request = None
 ) -> ChangeSet:
     """设置背景属性。