优化token失效处理

@@ -123,6 +123,8 @@ class RestBaseController
             $this->user     = $user;
             $this->userId   = $user['id'];
             $this->userType = $user['user_type'];
+        } else {
+            $this->error(['code'=>'40001','msg'=>'token失效']);
         }
 
     }