diff --git a/web/template/syzoj/problem.php b/web/template/syzoj/problem.php
index 214e857..4ea35a3 100644
--- a/web/template/syzoj/problem.php
+++ b/web/template/syzoj/problem.php
@@ -124,7 +124,9 @@ if ($pr_flag) {
       return
         "<span class='md'>" .
         bbcode_to_html(
-          htmlentities($str, ENT_QUOTES, 'UTF-8')
+          // htmlentities(
+          $str
+          // , ENT_QUOTES, 'UTF-8')
         )
         . "</span>"
       ;