add

app/Http/Api/WechatOfficialController.php

@@ -117,13 +117,13 @@ class WechatOfficialController extends HttpBaseController
                 return $msg;
 
             } else {
-                return "您好！欢迎使用 办公软件！";
+                return "您好！欢迎使用办公软件！";
             }
         });
 
         $this->app->server->serve();
-        $response = $this->app->server->serve();
-        $response->send();
+        // $response = $this->app->server->serve();
+        // $response->send();
         exit();
     }