diff --git a/module/bug/lang/zh-cn.php b/module/bug/lang/zh-cn.php
index 4dfb3b483b..7665e4e0ce 100644
--- a/module/bug/lang/zh-cn.php
+++ b/module/bug/lang/zh-cn.php
@@ -224,6 +224,7 @@ $lang->bug->tplResult = "<p>[结果]</p><br/>";
 $lang->bug->tplExpect = "<p>[期望]</p><br/>";
 
 /* 各个字段取值列表。*/
+$lang->bug->severityList[0] = '';
 $lang->bug->severityList[1] = '1';
 $lang->bug->severityList[2] = '2';
 $lang->bug->severityList[3] = '3';