Recently, one of our users reported that they are missing the 管理栏 on their WordPress site, and asked for our help. The admin bar is a floating bar that appears on every page of your site when you are logged in. It contains some useful shortcuts to different sections of the WordPress admin area. In this article, we will show you how to fix the missing admin bar issue in WordPress.
为什么会出现缺少管理栏的问题？ （Why Missing Admin Bar Issue Occur?）
Usually this happens when a plugin or an active theme is not allowing WordPress to properly execute the code in the footer area of your website. This code is triggered with the function <?php wp_footer(); ?>.
Lastly, you can turn the debugging on by opening wp-config.php file and changing define('WP_DEBUG', false); to define('WP_DEBUG', true);. WordPress will now show you warnings and notices that were previously hidden. These warnings and notices can hint towards the file causing this issue.