diff --git a/backend/apps/system/middleware/auth.py b/backend/apps/system/middleware/auth.py
index 8c3a1f59..4f4d8706 100644
--- a/backend/apps/system/middleware/auth.py
+++ b/backend/apps/system/middleware/auth.py
@@ -36,7 +36,7 @@ class TokenMiddleware(BaseHTTPMiddleware):
                 request.state.current_user = validator[1]
                 request.state.assistant = validator[2]
                 return await call_next(request)
-            return JSONResponse({"msg": f"Unauthorized:[{validator[1]}]"}, status_code=401, headers={"Access-Control-Allow-Origin": "*"})
+            return JSONResponse(f"Unauthorized:[{validator[1]}]", status_code=401, headers={"Access-Control-Allow-Origin": "*"})
         #validate pass
         tokenkey = settings.TOKEN_KEY
         token = request.headers.get(tokenkey)
@@ -44,7 +44,7 @@ class TokenMiddleware(BaseHTTPMiddleware):
         if validate_pass:
             request.state.current_user = data
             return await call_next(request)
-        return JSONResponse({"msg": f"Unauthorized:[{data}]"}, status_code=401, headers={"Access-Control-Allow-Origin": "*"})
+        return JSONResponse(f"Unauthorized:[{data}]", status_code=401, headers={"Access-Control-Allow-Origin": "*"})
     
     def is_options(self, request: Request):
         return request.method == "OPTIONS"
diff --git a/backend/common/core/response_middleware.py b/backend/common/core/response_middleware.py
index e1dbab9b..6842893e 100644
--- a/backend/common/core/response_middleware.py
+++ b/backend/common/core/response_middleware.py
@@ -14,7 +14,8 @@ class ResponseMiddleware(BaseHTTPMiddleware):
         
         if isinstance(response, JSONResponse) or request.url.path == f"{settings.API_V1_STR}/openapi.json":
             return response
-    
+        if response.status_code != 200:
+            return response
         if response.headers.get("content-type") == "application/json":
             try:
                 body = b""
@@ -51,11 +52,7 @@ class ResponseMiddleware(BaseHTTPMiddleware):
                 SQLBotLogUtil.error(f"Response processing error: {str(e)}", exc_info=True)
                 return JSONResponse(
                     status_code=500,
-                    content={
-                        "code": 500,
-                        "data": None,
-                        "msg": str(e)
-                    },
+                    content=str(e),
                     headers={
                         k: v for k, v in response.headers.items()
                         if k.lower() not in ("content-length", "content-type")
@@ -71,11 +68,7 @@ class exception_handler():
         SQLBotLogUtil.error(f"HTTP Exception: {exc.detail}", exc_info=True)
         return JSONResponse(
             status_code=exc.status_code,
-            content={
-                "code": exc.status_code,
-                "msg": exc.detail,
-                "data": None
-            },
+            content=exc.detail,
             headers={"Access-Control-Allow-Origin": "*"}
         )
 
@@ -85,11 +78,7 @@ class exception_handler():
         SQLBotLogUtil.error(f"Unhandled Exception: {str(exc)}", exc_info=True)
         return JSONResponse(
             status_code=500,
-            content={
-                "code": 500,
-                "msg": str(exc),
-                "data": None
-            },
+            content=str(exc),
             headers={"Access-Control-Allow-Origin": "*"}
         )
 
diff --git a/frontend/src/utils/request.ts b/frontend/src/utils/request.ts
index 588b9d09..03a7e998 100644
--- a/frontend/src/utils/request.ts
+++ b/frontend/src/utils/request.ts
@@ -171,9 +171,9 @@ class HttpService {
           errorMessage = 'Invalid request parameters'
           break
         case 401:
-          // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-          // @ts-ignore
-          errorMessage = error.response?.data?.data?.msg || 'Unauthorized, please login again'
+          errorMessage = error.response?.data
+            ? error.response.data.toString()
+            : 'Unauthorized, please login again'
           // Redirect to login page if needed
           ElMessage({
             message: errorMessage,
@@ -199,10 +199,7 @@ class HttpService {
           errorMessage = `Server responded with error: ${error.response.status}`
       }
       if (error?.response?.data) {
-        const msgData: any = error.response.data
-        if (msgData?.msg) {
-          errorMessage = msgData.msg
-        }
+        errorMessage = error.response.data.toString()
       }
     } else if (error.request) {
       errorMessage = 'No response from server'