diff --git a/module/doc/lang/en.php b/module/doc/lang/en.php
index b7b06240c9..c365e9ade4 100644
--- a/module/doc/lang/en.php
+++ b/module/doc/lang/en.php
@@ -105,12 +105,13 @@ $lang->doc->fixedMenu      = 'Fix to Menu';
 $lang->doc->removeMenu     = 'Remove from Menu';
 $lang->doc->search         = 'Search';
 
+global $config;
 /* Query condition list. */
 $lang->doc->allProduct    = 'All' . $lang->productCommon . 's';
 $lang->doc->allExecutions = 'All' . $lang->executionCommon . 's';
 
 $lang->doc->libTypeList['product']   = $lang->productCommon . ' Library';
-$lang->doc->libTypeList['project']   = 'Project Library';
+if($config->systemMode == 'new') $lang->doc->libTypeList['project'] = 'Project Library';
 $lang->doc->libTypeList['execution'] = $lang->executionCommon . ' Library';
 $lang->doc->libTypeList['custom']    = 'Custom Library';
 
diff --git a/module/doc/lang/zh-cn.php b/module/doc/lang/zh-cn.php
index fcc67947e3..adf72ec989 100644
--- a/module/doc/lang/zh-cn.php
+++ b/module/doc/lang/zh-cn.php
@@ -105,12 +105,13 @@ $lang->doc->fixedMenu      = '固定到菜单栏';
 $lang->doc->removeMenu     = '从菜单栏移除';
 $lang->doc->search         = '搜索';
 
+global $config;
 /* 查询条件列表 */
 $lang->doc->allProduct    = '所有' . $lang->productCommon;
 $lang->doc->allExecutions = '所有' . $lang->executionCommon;
 
 $lang->doc->libTypeList['product']   = $lang->productCommon . '文档库';
-$lang->doc->libTypeList['project']   = '项目文档库';
+if($config->systemMode == 'new') $lang->doc->libTypeList['project'] = '项目文档库';
 $lang->doc->libTypeList['execution'] = $lang->executionCommon . '文档库';
 $lang->doc->libTypeList['custom']    = '自定义文档库';