搞不定啊，总是回复服务器失败，下面是debug信息，请大神帮忙看看，谢谢！

[19-Sep-2019 12:13:18 UTC] PHP Notice: A non well formed numeric value encountered in /home/wwwroot/www.owlreading.com/wp-content/plugins/weixin-robot-advanced/admin/pages/weixin-stats.php on line 99
[19-Sep-2019 12:13:18 UTC] PHP Notice: A non well formed numeric value encountered in /home/wwwroot/www.owlreading.com/wp-content/plugins/weixin-robot-advanced/admin/pages/weixin-stats.php on line 99
[19-Sep-2019 12:15:02 UTC] PHP Notice: A non well formed numeric value encountered in /home/wwwroot/www.owlreading.com/wp-content/plugins/weixin-robot-advanced/admin/pages/weixin-stats.php on line 99
[19-Sep-2019 12:15:02 UTC] PHP Notice: A non well formed numeric value encountered in /home/wwwroot/www.owlreading.com/wp-content/plugins/weixin-robot-advanced/admin/pages/weixin-stats.php on line 99
[19-Sep-2019 12:15:49 UTC] PHP Notice: A non well formed numeric value encountered in /home/wwwroot/www.owlreading.com/wp-content/plugins/weixin-robot-advanced/admin/pages/weixin-stats.php on line 99
[19-Sep-2019 12:15:49 UTC] PHP Notice: A non well formed numeric value encountered in /home/wwwroot/www.owlreading.com/wp-content/plugins/weixin-robot-advanced/admin/pages/weixin-stats.php on line 99
[19-Sep-2019 12:16:03 UTC] PHP Fatal error: Uncaught Error: Class 'wechatCallback' not found in /home/wwwroot/www.owlreading.com/wp-content/plugins/weixin-robot-advanced/token.php:9
Stack trace:
#0 {main}
thrown in /home/wwwroot/www.owlreading.com/wp-content/plugins/weixin-robot-advanced/token.php on line 9