diff --git a/backend/shop/__pycache__/views.cpython-312.pyc b/backend/shop/__pycache__/views.cpython-312.pyc
index 60cb3fa..18caa05 100644
Binary files a/backend/shop/__pycache__/views.cpython-312.pyc and b/backend/shop/__pycache__/views.cpython-312.pyc differ
diff --git a/backend/shop/views.py b/backend/shop/views.py
index 6ffe8a3..a6b48a3 100644
--- a/backend/shop/views.py
+++ b/backend/shop/views.py
@@ -1121,9 +1121,15 @@ def wechat_login(request):
     except Exception as e:
         import traceback
         traceback.print_exc()
+        # 确保 user 变量在异常发生时也存在，避免 UnboundLocalError
+        if 'user' not in locals():
+             user = None
         return Response({'error': f'Login failed: {str(e)}'}, status=500)
 
     # 生成 Token
+    if not user:
+         return Response({'error': 'Login failed: User not created'}, status=500)
+
     signer = TimestampSigner()
     token = signer.sign(user.openid)