diff --git a/module/common/lang/zh-tw.php b/module/common/lang/zh-tw.php
index f80a8b8594..5664bbcfe3 100644
--- a/module/common/lang/zh-tw.php
+++ b/module/common/lang/zh-tw.php
@@ -44,6 +44,7 @@ $lang->save         = '保存';
 $lang->confirm      = '確認';
 $lang->preview      = '查看';
 $lang->goback       = '返回';
+$lang->goPC         = 'PC版';
 $lang->go           = 'GO';
 $lang->more         = '更多';
 
diff --git a/module/misc/lang/zh-tw.php b/module/misc/lang/zh-tw.php
index c50e6cd619..ae18ca818b 100644
--- a/module/misc/lang/zh-tw.php
+++ b/module/misc/lang/zh-tw.php
@@ -46,5 +46,6 @@ $lang->misc->zentao->service['install']    = '禪道安裝服務';
 $lang->misc->zentao->service['fixissue']   = '禪道問題解決';
 $lang->misc->zentao->service['servicemore']= '更多服務...';
 
-$lang->misc->noGDLib   = "請用手機瀏覽器直接訪問：%s";
+$lang->misc->mobile    = "手機訪問";
+$lang->misc->noGDLib   = "請用手機瀏覽器訪問：<strong>%s</strong>";
 $lang->misc->copyright = "版權所有 &copy;2009-2013 <a href='http://www.cnezsoft.com' target='_blank'>青島易軟天創網絡科技有限公司</a>";
diff --git a/module/upgrade/lang/zh-tw.php b/module/upgrade/lang/zh-tw.php
index e15f82e1e5..352f94d4a7 100644
--- a/module/upgrade/lang/zh-tw.php
+++ b/module/upgrade/lang/zh-tw.php
@@ -76,3 +76,4 @@ $lang->upgrade->fromVersions['4_3_beta']  = '4.3.beta';
 $lang->upgrade->fromVersions['5_0_beta1'] = '5.0.beta1';
 $lang->upgrade->fromVersions['5_0_beta2'] = '5.0.beta2';
 $lang->upgrade->fromVersions['5_0']       = '5.0';
+$lang->upgrade->fromVersions['5_1']       = '5.1';
diff --git a/module/user/lang/zh-tw.php b/module/user/lang/zh-tw.php
index 996b45656f..4815d3b372 100644
--- a/module/user/lang/zh-tw.php
+++ b/module/user/lang/zh-tw.php
@@ -69,7 +69,7 @@ $lang->user->asGuest         = "遊客訪問";
 $lang->user->goback          = "返回前一頁";
 $lang->user->allUsers        = '全部用戶';
 $lang->user->deleted         = '(已刪除)';
-$lang->user->select          = '--請選擇用戶--';
+$lang->user->select          = '請選擇用戶';
 
 $lang->user->profile      = '檔案';
 $lang->user->project      = '項目';