diff --git a/module/common/lang/zh-cn.php b/module/common/lang/zh-cn.php
index e93f84aff7..42df20743d 100644
--- a/module/common/lang/zh-cn.php
+++ b/module/common/lang/zh-cn.php
@@ -124,7 +124,7 @@ $lang->searchObjects['release']     = '发布';
 $lang->searchObjects['productplan'] = $lang->productCommon . '计划';
 $lang->searchObjects['testtask']    = '测试版本';
 $lang->searchObjects['doc']         = '文档';
-$lang->searchObjects['caselib']     = '用例库';
+$lang->searchObjects['testcase']   = '用例库';
 $lang->searchObjects['testreport']  = '测试报告';
 $lang->searchTips                   = '编号(ctrl+g)';