``` add_action( 'admin_enqueue_scripts', 'my_admin_enqueue_scripts' ); function my_admin_enqueue_scripts() { wp_enqueue_style( 'wp-pointer' ); wp_enqueue_script( 'wp-pointer' ); add_action( 'admin_print_footer_scripts', 'my_admin_print_footer_scripts' ); } function my_admin_print_footer_scripts() { $pointer_content = '<h3>云落的通知</h3>'; $pointer_content .= '<p>这是一个通知</p>'; ?> <script type="text/javascript"> //<![CDATA[ jQuery(document).ready( function($) { $('#menu-appearance').pointer( { content: '<?php echo $pointer_content; ?>', position: 'left', close: function() { // Once the close button is hit } } ).pointer('open'); } ); //]]> </script> <?php } ```