diff --git a/app/Exceptions/Handler.php b/app/Exceptions/Handler.php
index 5a7b849..a1d85e6 100644
--- a/app/Exceptions/Handler.php
+++ b/app/Exceptions/Handler.php
@@ -2,6 +2,7 @@
 
 namespace App\Exceptions;
 
+use Illuminate\Auth\AuthenticationException;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
 use Throwable;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
@@ -34,6 +35,10 @@ class Handler extends ExceptionHandler
             if ($request->ajax() || $request->wantsJson()) {
                 return response()->json(['data'=>null,'code'=>404 , 'message' => '数据未找到，或已被删除' ], 404);
             }
+        }elseif($e instanceof AuthenticationException){
+            if ($request->ajax() || $request->wantsJson()) {
+                return response()->json(['data'=>null,'code'=>401 , 'message' => '无效凭证，请先登录' ], 401);
+            }
         }
     }
 }