admin https://www.omnisend.com/blog/wordpress-new-user-registration-email/ https://www.wpbeginner.com/plugins/how-to-send-a-custom-welcome-email-to-new-users-in-wordpress/
admin 163邮箱不在垃圾里面，收到内容如下 Username: 老卡 To set your password, visit the following address: https://music.ilike.it/wp-login.php?action=rp&key=6RbIBxIL9T3xsun8zvD5&login=%E8%80%81%E5%8D%A1 https://music.ilike.it/wp-login.php 自己定义的并没有体现