function file
<?php
function test_theme(){
wp_enqueue_style("customestyle", get_stylesheet_uri() )
}
add_action( 'wp_enqueue_scripts', 'test_theme' );
and I added wp_head to my header. I also have stylesheet file in my root folder.
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):
