add

app/Http/Api/WechatOfficialController.php

@@ -129,7 +129,7 @@ class WechatOfficialController extends HttpBaseController
         }
 
         $nickname = '未命名'; // 对应微信的 nickname
-        $avatar = 'https://www.xingyousoft.com/static/images/softlogo.png'; // 头像网址
+        $avatar = 'https://www.xingyousoft.com/static/images/softlogo.jpeg'; // 头像网址
         $unionid = $userInfo['unionid'] ?? '';
         $wxInfo = $userInfo;