diff --git a/db/zentao.sql b/db/zentao.sql
index ab4f9f3beb..e0559023f3 100644
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -1342,7 +1342,7 @@ INSERT INTO `zt_group` (`id`, `name`, `role`, `desc`) VALUES
 (10, 'OTHERS', 'others', 'for others.'),
 (11, 'guest', 'guest', 'For guest'),
 (12, 'LIMITED', 'limited', 'For limited user'),
-(13, '项目管理员', 'projectAdmin', '项目管理员可以维护项目的权限');
+(13, 'Project Admin', 'projectAdmin', 'Project Admins manage project privileges');
 
 INSERT INTO `zt_grouppriv` (`group`, `module`, `method`) VALUES
 (1,'action','editComment'),
diff --git a/module/common/lang/en.php b/module/common/lang/en.php
index ac1f213127..1c4ef73d06 100644
--- a/module/common/lang/en.php
+++ b/module/common/lang/en.php
@@ -35,8 +35,8 @@ $lang->help           = 'Help';
 $lang->aboutZenTao    = 'About';
 $lang->profile        = 'Profile';
 $lang->changePassword = 'Password';
-$lang->unfoldMenu     = 'Unfold Menu';
-$lang->collapseMenu   = 'Collapse Menu';
+$lang->unfoldMenu     = 'Unfold';
+$lang->collapseMenu   = 'Collapse';
 $lang->preference     = 'Preference';
 $lang->runInfo        = "<div class='row'><div class='u-1 a-center' id='debugbar'>Time %s MS, Memory %s KB, Query %s.  </div></div>";
 $lang->agreement      = "I have read and agreed to the terms and conditions of <a href='http://zpl.pub/page/zplv12.html' target='_blank'> Z PUBLIC LICENSE 1.2 </a>. <span class='text-danger'>Without authorization, I should not remove, hide or cover any logos/links of ZenTao.</span>";
@@ -85,8 +85,8 @@ $lang->importSuccess   = 'Saved';
 $lang->fail            = 'Fail';
 $lang->addFiles        = 'Added Files';
 $lang->files           = 'Files ';
-$lang->pasteText       = 'Multi-lines Paste';
-$lang->uploadImages    = 'Multi-images Upload';
+$lang->pasteText       = 'Multi-line Paste';
+$lang->uploadImages    = 'Multi-image Upload';
 $lang->timeout         = 'Timeout. Check your newtwork connections, or try it again!';
 $lang->repairTable     = 'Database table might be damaged. Run phpmyadmin or myisamchk to fix it.';
 $lang->duplicate       = '%s has the same title as a file existed.';
@@ -143,7 +143,7 @@ $lang->admin->common      = 'Admin';
 $lang->task->common       = 'Task';
 $lang->bug->common        = 'Bug';
 $lang->testcase->common   = 'Testcase';
-$lang->testtask->common   = 'Testtask';
+$lang->testtask->common   = 'Request';
 $lang->score->common      = 'Score';
 $lang->build->common      = 'Build';
 $lang->testreport->common = 'Report';
@@ -184,7 +184,7 @@ $lang->track      = 'Track';
 $lang->settings   = 'Settings';
 $lang->overview   = 'Overview';
 $lang->module     = 'Module';
-$lang->priv       = 'Priv Group';
+$lang->priv       = 'Privilege';
 $lang->design     = 'Design';
 $lang->other      = 'Other';
 $lang->estimation = 'Estimation';
diff --git a/module/doc/lang/en.php b/module/doc/lang/en.php
index 95b90e6c8e..bf61576e3c 100644
--- a/module/doc/lang/en.php
+++ b/module/doc/lang/en.php
@@ -98,7 +98,7 @@ $lang->doc->libName        = 'Document Library';
 $lang->doc->libType        = 'Category';
 $lang->doc->custom         = 'Custom Document Library';
 $lang->doc->customAB       = 'Custom Doc Lib';
-$lang->doc->createLib      = 'Create Document Library';
+$lang->doc->createLib      = 'Document Library';
 $lang->doc->allLibs        = 'Library List';
 $lang->doc->objectLibs     = "{$lang->productCommon}/{$lang->executionCommon} Libraries";
 $lang->doc->showFiles      = 'Attachments';
@@ -108,7 +108,7 @@ $lang->doc->fixedMenu      = 'Fix to Menu';
 $lang->doc->removeMenu     = 'Remove from Menu';
 $lang->doc->search         = 'Search';
 $lang->doc->allCollections = 'All Collections';
-$lang->doc->keywordsTips   = 'Please use commas to separate multiple keywords.';
+$lang->doc->keywordsTips   = 'Please use commas to separate keywords.';
 
 global $config;
 /* Query condition list. */
diff --git a/module/testtask/lang/en.php b/module/testtask/lang/en.php
index 3c73baa53d..35c39caae2 100644
--- a/module/testtask/lang/en.php
+++ b/module/testtask/lang/en.php
@@ -48,12 +48,12 @@ $lang->testtask->allTasks         = 'All Requests';
 $lang->testtask->collapseAll      = 'Collapse';
 $lang->testtask->expandAll        = 'Expand';
 
-$lang->testtask->viewAction     = "View Testtask";
+$lang->testtask->viewAction     = "View Request";
 $lang->testtask->casesAction    = 'View Case';
-$lang->testtask->activateAction = "Activate Testtask";
-$lang->testtask->blockAction    = "Block Testtask";
-$lang->testtask->closeAction    = "Close Testtask";
-$lang->testtask->startAction    = "Start Testtask";
+$lang->testtask->activateAction = "Activate Request";
+$lang->testtask->blockAction    = "Block Request";
+$lang->testtask->closeAction    = "Close Request";
+$lang->testtask->startAction    = "Start Request";
 $lang->testtask->resultsAction  = "Case Result";
 $lang->testtask->reportAction   = 'Report';
 
@@ -203,7 +203,7 @@ $lang->testtask->unitTag['lastWeek']  = 'Last week';
 $lang->testtask->unitTag['thisMonth'] = 'This month';
 $lang->testtask->unitTag['lastMonth'] = 'Last month';
 
-$lang->testtask->typeList['integrate']   = 'Integrate';
+$lang->testtask->typeList['integrate']   = 'Integration';
 $lang->testtask->typeList['system']      = 'System';
 $lang->testtask->typeList['acceptance']  = 'Acceptance';
 $lang->testtask->typeList['performance'] = 'Performance';