邓总反映个新版微信机器人的报错信息

新版5.3报错如下，5.2.7正常使用。

Fatal error: Uncaught Error: Call to undefined method WEIXIN_User::get_blacklist() in /www/wwwroot/www.XXX.com/wp-content/themes/cnwhc/extends/wpjam-signup/includes/class-signup.php:260 Stack trace: #0 /www/wwwroot/www.XXX.com/wp-content/themes/cnwhc/extends/wpjam-signup/includes/class-signup.php(487): WPJAM_Signup::get_third_user('oPpiI1Z_X2JCwld...', 'weixin') #1 /www/wwwroot/www.XXX.com/wp-content/themes/cnwhc/extends/wpjam-signup/includes/class-signup.php(47): WPJAM_Signup::get_user_by_openid('oPpiI1Z_X2JCwld...', 'weixin') #2 /www/wwwroot/www.XXX.com/wp-content/themes/cnwhc/extends/wpjam-signup/includes/class-signup.php(43): WPJAM_Signup::signup('oPpiI1Z_X2JCwld...', Array, 'weixin') #3 /www/wwwroot/www.XXX.com/wp-content/themes/cnwhc/extends/wpjam-signup/public/utils.php(7): WPJAM_Signup::qrcode_signup('3gt5KijlnLuH7Xo...', '2012', Array, 'weixin') #4 /www/wwwroot/www.XXX.com/wp-content/themes/cnwhc/user/login.php(8): wpjam_weixin_qrcode_signup('3gt5KijlnLuH7Xo...', '2012') #5 /www/wwwroot/www.XXX.com/ in /www/wwwroot/www.XXX.com/wp-content/themes/cnwhc/extends/wpjam-signup/includes/class-signup.php on line 260