下载最新版本的wordpress压缩包

https://wordpress.org/download/release-archive/

使用wget下载

wget https://wordpress.org/wordpress-6.4.1.zip

解压

unzip wordpress-6.4.1.zip

删除旧版本的 wp-includes 和 wp-admin

rm -rf wp-includes wp-admin

复制新版本的内容

cp -r ~/wordpress/wp-admin .
cp -r ~/wordpress/wp-includes .
cp -r ~/wordpress/wp-settings.php .