diff --git a/module/bug/control.php b/module/bug/control.php
index 3c69fb4cfe..3d32a03f26 100644
--- a/module/bug/control.php
+++ b/module/bug/control.php
@@ -126,6 +126,7 @@ class bug extends control
         $users = $this->user->getPairs('noletter');
 
         /* Process the openedBuild and resolvedBuild fields. */
+        $productIdList = array();
         foreach($bugs as $bug) $productIdList[$bug->id] = $bug->product;
         $builds = $this->loadModel('build')->getProductBuildPairs(array_unique($productIdList));
         foreach($bugs as $key => $bug) 
diff --git a/module/install/lang/en.php b/module/install/lang/en.php
index 728184a6af..7433440b42 100644
--- a/module/install/lang/en.php
+++ b/module/install/lang/en.php
@@ -128,8 +128,6 @@ $lang->install->groupList['TOP']['name']    = 'Top manager';
 $lang->install->groupList['TOP']['desc']    = 'for top manager';
 $lang->install->groupList['OTHERS']['name'] = 'Others';
 $lang->install->groupList['OTHERS']['desc'] = 'for others';
-$lang->install->groupList['guest']['name']  = 'Guest';
-$lang->install->groupList['guest']['desc']  = 'for guest';
 
 $lang->install->success = "Success installed";
 
diff --git a/module/install/lang/zh-cn.php b/module/install/lang/zh-cn.php
index 9a91c4b09d..98388232cc 100644
--- a/module/install/lang/zh-cn.php
+++ b/module/install/lang/zh-cn.php
@@ -128,8 +128,6 @@ $lang->install->groupList['TOP']['name']    = '高层管理';
 $lang->install->groupList['TOP']['desc']    = '高层管理';
 $lang->install->groupList['OTHERS']['name'] = '其他';
 $lang->install->groupList['OTHERS']['desc'] = '其他';
-$lang->install->groupList['guest']['name']  = '游客';
-$lang->install->groupList['guest']['desc']  = '游客';
 
 $lang->install->success = "安装成功";
 
diff --git a/module/install/lang/zh-tw.php b/module/install/lang/zh-tw.php
index beee5b4432..6d33635156 100644
--- a/module/install/lang/zh-tw.php
+++ b/module/install/lang/zh-tw.php
@@ -128,8 +128,6 @@ $lang->install->groupList['TOP']['name']    = '高層管理';
 $lang->install->groupList['TOP']['desc']    = '高層管理';
 $lang->install->groupList['OTHERS']['name'] = '其他';
 $lang->install->groupList['OTHERS']['desc'] = '其他';
-$lang->install->groupList['guest']['name']  = '遊客';
-$lang->install->groupList['guest']['desc']  = '遊客';
 
 $lang->install->success = "安裝成功";