查看日志 tail -100f /var/log/php-fpm/www-error.log，发现有2处错误
[18-Jul-2018 02:20:51 UTC] PHP Fatal error: Cannot redeclare wp_ajax_press_this_save_post() (previously declared in /home/wordpress/server/wp-includes/deprecated.php:3921) in /home/wordpress/server/wp-admin/includes/ajax-actions.php on line 3200
[18-Jul-2018 02:34:12 UTC] PHP Fatal error: Cannot redeclare wp_ajax_press_this_add_category() (previously declared in /home/wordpress/server/wp-includes/deprecated.php:3938) in /home/wordpress/server/wp-admin/includes/ajax-actions.php on line 3213
找到 server/wp-admin/includes/ajax-actions.php 分别注释掉这2个函数
ok
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