diff --git a/backend/app/core/dbmanager.py b/backend/app/core/dbmanager.py
index d32a612..abf62eb 100644
--- a/backend/app/core/dbmanager.py
+++ b/backend/app/core/dbmanager.py
@@ -15,7 +15,6 @@ def get_db(request: Request,tenant:str = "1",tenantdb = Depends(get_tenant_db)):
         db.close() 
 
 
-def get_log_db(request: Request):
+def get_log_db():
     db =  tenantdb.get_db()
-    request.state.db = db 
     return db
\ No newline at end of file
diff --git a/backend/app/core/operation.py b/backend/app/core/operation.py
index b400355..fdd8e56 100644
--- a/backend/app/core/operation.py
+++ b/backend/app/core/operation.py
@@ -1,12 +1,12 @@
 
 from fastapi import Request
+from fastapi.responses import JSONResponse
 from starlette.middleware.base import BaseHTTPMiddleware
 from sqlalchemy.orm import Session
 from app.db.models import OperationLog,User
-
-from functools import wraps
-from fastapi import Request
-from contextvars import ContextVar
+from app.core.apiexception import  APIException
+from app.core.dbmanager import get_log_db
+from app.db.crud import create_log
 import json
 
 class LoggingMiddleware(BaseHTTPMiddleware):
@@ -24,7 +24,10 @@ class LoggingMiddleware(BaseHTTPMiddleware):
             state = request.state 
         except Exception as e:
             await self.log_error(request, e)
-            raise
+            response = JSONResponse(
+                content={"detail": "Internal Server Error"},
+                status_code=500
+            )
         
         if hasattr(request.state, "user") and hasattr(request.state, "tenant"):
             await self.log_request(request, response,state)
@@ -51,9 +54,13 @@ class LoggingMiddleware(BaseHTTPMiddleware):
             print(f"Logging failed: {str(e)}")
 
 
-    async def log_error(self, request: Request, exc: Exception):
-        # 错误处理逻辑
-        pass
+    async def log_error(self, request: Request, e: Exception):
+        exc =  APIException('operation:dispatch',request.url._url,f"Error occurred while writting operation log:",e)
+        db = get_log_db()
+        try:
+            create_log(db,exc.error)
+        finally:
+            db.close()
 
     async def write_log_to_db(self, db_operation,db):
         db.add(db_operation)