diff --git a/functions.php b/functions.php
index 9a91b6d..e955648 100644
--- a/functions.php
+++ b/functions.php
@@ -42,8 +42,8 @@ function custom_posts_per_page($query){
 remove_filter('the_content', 'wptexturize'); // 禁止代码标点符合转义
 
 // 禁用REST API、移除wp-json链接
-add_filter('rest_enabled', '_return_false');
-add_filter('rest_jsonp_enabled', '_return_false');
+add_filter('rest_enabled', '__return_false');
+add_filter('rest_jsonp_enabled', '__return_false');
 remove_action( 'wp_head', 'rest_output_link_wp_head', 10 );
 remove_action( 'wp_head', 'wp_oembed_add_discovery_links', 10 );
 
@@ -162,4 +162,4 @@ function yayu_enqueue_scripts()
 	}
 	//add_action('wp_enqueue_scripts', 'yayu_enqueue_scripts');
 endif;
-?>
\ No newline at end of file
+?>