diff --git a/functions.php b/functions.php
index 4de01d5..76c5290 100644
--- a/functions.php
+++ b/functions.php
@@ -1659,6 +1659,11 @@ if (akina_option('sakura_widget')) {
 // 评论Markdown解析
 function markdown_parser($incoming_comment) {
     global $wpdb,$comment_markdown_content;
+    $re = '/```([\s\S]*?)```[\s]*|`{1,2}[^`](.*?)`{1,2}|\[.*?\]\([\s\S]*?\)/m';
+    if(preg_replace($re,'temp',$incoming_comment['comment_content']) != strip_tags(preg_replace($re,'temp',$incoming_comment['comment_content']))){
+    siren_ajax_comment_err('评论只支持Markdown啦，见谅╮(￣▽￣)╭<br>Markdown Supported while <i class="fa fa-code" aria-hidden="true"></i> Forbidden');
+    return( $incoming_comment );
+    }
     $myCustomer = $wpdb->get_row("SELECT * FROM wp_comments");
     //Add column if not present.
     if (!isset($myCustomer->say_state)) {