diff --git a/web/template/syzoj/problem.php b/web/template/syzoj/problem.php
index 5ae76ff..ec2a78b 100644
--- a/web/template/syzoj/problem.php
+++ b/web/template/syzoj/problem.php
@@ -123,9 +123,9 @@ if ($pr_flag) {
     {
       $s = $str;
       if (strpos($s, "class='md") !== false)  // 没找到，那就加上
-        $s = "<span class='md'>" . $s ."</span>";
+        $s = "<span class='md'>" . $s . "</span>";
       $s = bbcode_to_html($s);
-      return $s;      
+      return $s;
     }
     ?>
     <div class="row">
@@ -475,7 +475,11 @@ if ($pr_flag) {
           <?php if ($OJ_MARKDOWN && $OJ_MARKDOWN == "marked.js") { ?>
             $(this).html(marked.parse($(this).html()));
           <?php } else if ($OJ_MARKDOWN && $OJ_MARKDOWN == "markdown-it") { ?>
-              const md = window.markdownit();
+              const md = window.markdownit()({
+                html: true,
+                linkify: true,
+                typographer: true
+              });
               $(this).html(md.render($(this).text()));
           <?php } ?>
         });