我在wordpress\\u http\\u错误中得到此错误。日志

Stack trace:
#0 /var/www/html/wp-admin/includes/class-wp-upgrader-skin.php(95): request_filesystem_credentials(\'update.php?acti...\', \'ftpext\', false, \'/var/www/h$
#1 /var/www/html/wp-admin/includes/class-wp-upgrader.php(196): WP_Upgrader_Skin->request_filesystem_credentials(false, \'/var/www/html/w...\', false)
#2 /var/www/html/wp-admin/includes/class-wp-upgrader.php(691): WP_Upgrader->fs_connect(Array)
#3 /var/www/html/wp-admin/includes/class-plugin-upgrader.php(186): WP_Upgrader->run(Array)
#4 /var/www/html/wp-admin/update.php(65): Plugin_Upgrader->upgrade(\'cont