bugfix uploadfile&app update_time

backend/app/core/operation.py

@@ -13,10 +13,14 @@ import json
 class LoggingMiddleware(BaseHTTPMiddleware):
     async def dispatch(self, request: Request, call_next):
         if request.method in ("POST", "PUT", "PATCH","DELETE"):
-            try:
-                request.state.body = await request.json()
-            except json.JSONDecodeError:
-                request.state.body = await request.body()
+            content_type = request.headers.get('content-type', '')
+            if content_type.startswith('multipart/form-data'):
+                request.state.body = None  
+            else:
+                try:
+                    request.state.body = await request.json()
+                except json.JSONDecodeError:
+                    request.state.body = await request.body()
         else:
             request.state.body = None