diff --git a/module/action/lang/en.php b/module/action/lang/en.php
index 31ec64619d..d833697715 100755
--- a/module/action/lang/en.php
+++ b/module/action/lang/en.php
@@ -143,71 +143,71 @@ $lang->action->desc->unlinkrelatedcase = '$date, <strong>$actor</strong> unlinke
 
 /* 用来显示动态信息。*/
 $lang->action->label = new stdclass();
-$lang->action->label->created             = 'Created ';
-$lang->action->label->opened              = 'Opened ';
-$lang->action->label->changed             = 'Changed ';
-$lang->action->label->edited              = 'Edited ';
-$lang->action->label->assigned            = 'Assigned ';
-$lang->action->label->closed              = 'Closed ';
-$lang->action->label->deleted             = 'Deleted ';
-$lang->action->label->deletedfile         = 'Deleted ';
-$lang->action->label->editfile            = 'Edit ';
-$lang->action->label->erased              = 'Erased ';
-$lang->action->label->undeleted           = 'Restored ';
-$lang->action->label->hidden              = 'Hid ';
-$lang->action->label->commented           = 'Commented ';
-$lang->action->label->activated           = 'Activated ';
-$lang->action->label->blocked             = 'Blocked ';
-$lang->action->label->resolved            = 'Solved ';
-$lang->action->label->reviewed            = 'Reviewed ';
-$lang->action->label->moved               = 'Moved ';
-$lang->action->label->confirmed           = 'Confirmed story';
-$lang->action->label->bugconfirmed        = 'Confirmed';
-$lang->action->label->tostory             = 'Converted to Story';
-$lang->action->label->frombug             = 'Converted from Bug';
-$lang->action->label->fromlib             = 'Imported from Library';
-$lang->action->label->totask              = 'Converted to Task';
+$lang->action->label->created             = 'created ';
+$lang->action->label->opened              = 'opened ';
+$lang->action->label->changed             = 'changed ';
+$lang->action->label->edited              = 'edited ';
+$lang->action->label->assigned            = 'assigned ';
+$lang->action->label->closed              = 'closed ';
+$lang->action->label->deleted             = 'deleted ';
+$lang->action->label->deletedfile         = 'deleted ';
+$lang->action->label->editfile            = 'edited ';
+$lang->action->label->erased              = 'erased ';
+$lang->action->label->undeleted           = 'restored ';
+$lang->action->label->hidden              = 'hid ';
+$lang->action->label->commented           = 'commented ';
+$lang->action->label->activated           = 'activated ';
+$lang->action->label->blocked             = 'blocked ';
+$lang->action->label->resolved            = 'solved ';
+$lang->action->label->reviewed            = 'reviewed ';
+$lang->action->label->moved               = 'moved ';
+$lang->action->label->confirmed           = 'confirmed story';
+$lang->action->label->bugconfirmed        = 'confirmed';
+$lang->action->label->tostory             = 'converted to Story';
+$lang->action->label->frombug             = 'converted from Bug';
+$lang->action->label->fromlib             = 'imported from Library';
+$lang->action->label->totask              = 'converted to Task';
 $lang->action->label->svncommited         = 'SVN committed';
 $lang->action->label->gitcommited         = 'Git committed';
-$lang->action->label->linked2plan         = 'Linked to Plan';
-$lang->action->label->unlinkedfromplan    = 'Unlinked from';
-$lang->action->label->changestatus        = 'Changed Status';
-$lang->action->label->marked              = 'Marked';
-$lang->action->label->linked2project      = "Link {$lang->projectCommon}";
-$lang->action->label->unlinkedfromproject = "Unlink {$lang->projectCommon}";
-$lang->action->label->unlinkedfrombuild   = "Unlink Build";
-$lang->action->label->linked2release      = "Link Release";
-$lang->action->label->unlinkedfromrelease = "Unlink Release";
-$lang->action->label->linkrelatedbug      = "Linked Bug";
-$lang->action->label->unlinkrelatedbug    = "Unlinked Bug";
-$lang->action->label->linkrelatedcase     = "Linked Case";
-$lang->action->label->unlinkrelatedcase   = "Unlinked Case";
-$lang->action->label->linkrelatedstory    = "Linked Story";
-$lang->action->label->unlinkrelatedstory  = "Unlinked Story";
-$lang->action->label->subdividestory      = "Decomposed Story";
-$lang->action->label->unlinkchildstory    = "Unlinked Story";
-$lang->action->label->started             = 'Started ';
-$lang->action->label->restarted           = 'Continued ';
-$lang->action->label->recordestimate      = 'Recorded ';
-$lang->action->label->editestimate        = 'Edited ';
-$lang->action->label->canceled            = 'Cancelled ';
-$lang->action->label->finished            = 'Finished ';
-$lang->action->label->paused              = 'Paused ';
-$lang->action->label->verified            = 'Verified ';
-$lang->action->label->delayed             = 'Delayed ';
-$lang->action->label->suspended           = 'Suspended ';
-$lang->action->label->login               = 'Login';
-$lang->action->label->logout              = "Logout";
-$lang->action->label->deleteestimate      = "Deleted ";
-$lang->action->label->linked2build        = "Linked ";
-$lang->action->label->linked2bug          = "Linked ";
-$lang->action->label->linkchildtask       = "Linked a child task";
-$lang->action->label->unlinkchildrentask  = "Unlinked a child task";
-$lang->action->label->linkparenttask      = "Linked a parent task";
-$lang->action->label->unlinkparenttask    = "Unlink from parent task";
-$lang->action->label->batchcreate         = "Batch created tasks";
-$lang->action->label->createchildren      = "Create children task";
-$lang->action->label->managed             = "Managed";
+$lang->action->label->linked2plan         = 'linked to Plan';
+$lang->action->label->unlinkedfromplan    = 'unlinked from';
+$lang->action->label->changestatus        = 'changed status';
+$lang->action->label->marked              = 'marked';
+$lang->action->label->linked2project      = "linked to {$lang->projectCommon}";
+$lang->action->label->unlinkedfromproject = "unlinked from {$lang->projectCommon}";
+$lang->action->label->unlinkedfrombuild   = "unlinked Build";
+$lang->action->label->linked2release      = "linked Release";
+$lang->action->label->unlinkedfromrelease = "unlinked Release";
+$lang->action->label->linkrelatedbug      = "linked Bug";
+$lang->action->label->unlinkrelatedbug    = "unlinked Bug";
+$lang->action->label->linkrelatedcase     = "linked Case";
+$lang->action->label->unlinkrelatedcase   = "unlinked Case";
+$lang->action->label->linkrelatedstory    = "linked Story";
+$lang->action->label->unlinkrelatedstory  = "unlinked Story";
+$lang->action->label->subdividestory      = "decomposed Story";
+$lang->action->label->unlinkchildstory    = "unlinked Story";
+$lang->action->label->started             = 'started ';
+$lang->action->label->restarted           = 'continued ';
+$lang->action->label->recordestimate      = 'recorded ';
+$lang->action->label->editestimate        = 'edited ';
+$lang->action->label->canceled            = 'cancelled ';
+$lang->action->label->finished            = 'finished ';
+$lang->action->label->paused              = 'paused ';
+$lang->action->label->verified            = 'verified ';
+$lang->action->label->delayed             = 'delayed ';
+$lang->action->label->suspended           = 'suspended ';
+$lang->action->label->login               = 'login';
+$lang->action->label->logout              = "logout";
+$lang->action->label->deleteestimate      = "deleted ";
+$lang->action->label->linked2build        = "linked ";
+$lang->action->label->linked2bug          = "linked ";
+$lang->action->label->linkchildtask       = "linked a child task";
+$lang->action->label->unlinkchildrentask  = "unlinked a child task";
+$lang->action->label->linkparenttask      = "linked a parent task";
+$lang->action->label->unlinkparenttask    = "unlink from parent task";
+$lang->action->label->batchcreate         = "batch created tasks";
+$lang->action->label->createchildren      = "create child tasks";
+$lang->action->label->managed             = "managed";
 
 /* 动态信息按照对象分组 */
 $lang->action->dynamicAction = new stdclass;
diff --git a/module/backup/lang/en.php b/module/backup/lang/en.php
index 00b73093c1..92a6375d5c 100644
--- a/module/backup/lang/en.php
+++ b/module/backup/lang/en.php
@@ -5,8 +5,8 @@ $lang->backup->history     = 'History';
 $lang->backup->delete      = 'Delete';
 $lang->backup->backup      = 'Back Up';
 $lang->backup->restore     = 'Restore';
-$lang->backup->change      = 'Modify Expiration';
-$lang->backup->changeAB    = 'Modify';
+$lang->backup->change      = 'Edit Expiration';
+$lang->backup->changeAB    = 'Edit';
 $lang->backup->rmPHPHeader = 'Remove PHP header';
 
 $lang->backup->time  = 'Date';
@@ -15,17 +15,17 @@ $lang->backup->size  = 'Size';
 
 $lang->backup->setting    = 'Settings';
 $lang->backup->settingDir = 'Backup Directory';
-$lang->backup->settingList['nofile'] = 'No backup files and codes.';
-$lang->backup->settingList['nozip']  = 'Only copy files and no zip.';
-$lang->backup->settingList['nosafe'] = 'No prevent downloading PHP file header.';
+$lang->backup->settingList['nofile'] = 'Do not back up files or codes.';
+$lang->backup->settingList['nozip']  = 'Only copy files and do not no zip it.';
+$lang->backup->settingList['nosafe'] = 'Do not prevent downloading PHP file header.';
 
-$lang->backup->waitting       = '<span id="backupType"></span> In Progress. Please wait...';
-$lang->backup->progressSQL    = '<p>SQL backup, %s is backed up.</p>';
-$lang->backup->progressAttach = '<p>SQL backup completed.</p><p>Attachment backup, %s is backed up.</p>';
-$lang->backup->progressCode   = '<p>SQL backup completed.</p><p>Attachment backup completed.</p><p>Code backup, %s isbacked up.</p>';
+$lang->backup->waitting       = '<span id="backupType"></span> is ongoing. Please wait...';
+$lang->backup->progressSQL    = '<p>SQL backup: %s is backed up.</p>';
+$lang->backup->progressAttach = '<p>SQL backup is completed.</p><p>Attachment backup: %s is backed up.</p>';
+$lang->backup->progressCode   = '<p>SQL backup is completed.</p><p>Attachment backup is completed.</p><p>Code backup: %s is backed up.</p>';
 $lang->backup->confirmDelete  = 'Do you want to delete the backup?';
 $lang->backup->confirmRestore = 'Do you want to restore the backup?';
-$lang->backup->holdDays       = 'Reserve last %s days of backup';
+$lang->backup->holdDays       = 'Hold last %s days of backup';
 $lang->backup->restoreTip     = 'Only files and databases can be restored by clicking Restore. Code can be restored manually.';
 
 $lang->backup->success = new stdclass();
@@ -33,10 +33,10 @@ $lang->backup->success->backup  = 'Done!';
 $lang->backup->success->restore = 'Restored!';
 
 $lang->backup->error = new stdclass();
-$lang->backup->error->noCreateDir = 'Directory does not exist, and cannot be created';
+$lang->backup->error->noCreateDir = 'Directory does not exist and cannot be created';
 $lang->backup->error->noWritable  = "<code>%s</code> is not writable! Please check the privilege, or backup will not be done.";
 $lang->backup->error->noDelete    = "%s cannot be deleted. Please modify the privilege or manually delete it.";
-$lang->backup->error->restoreSQL  = "Restoring database library failed. Error %s.";
-$lang->backup->error->restoreFile = "File restoration failed. Error %s.";
-$lang->backup->error->backupFile  = "File backup failed. Error %s.";
-$lang->backup->error->backupCode  = "Code backup failed. Error %s.";
+$lang->backup->error->restoreSQL  = "Failed to restore the database library. Error %s.";
+$lang->backup->error->restoreFile = "Failed to restore the file. Error %s.";
+$lang->backup->error->backupFile  = "Failed to back up the file. Error %s.";
+$lang->backup->error->backupCode  = "Failed to back up the code. Error %s.";
diff --git a/module/bug/lang/en.php b/module/bug/lang/en.php
index de53f6095d..462d1d5075 100644
--- a/module/bug/lang/en.php
+++ b/module/bug/lang/en.php
@@ -41,17 +41,17 @@ $lang->bug->openedBy         = 'ReportedBy';
 $lang->bug->openedDate       = 'ReportedDate';
 $lang->bug->openedDateAB     = 'Reported';
 $lang->bug->openedBuild      = 'Open Build';
-$lang->bug->assignedTo       = 'AssignedTo';
-$lang->bug->assignBug        = 'AssignTo';
+$lang->bug->assignedTo       = 'AssignTo';
+$lang->bug->assignBug        = 'AssignedTo';
 $lang->bug->assignedToAB     = 'AssignedTo';
 $lang->bug->assignedDate     = 'AssignedDate';
 $lang->bug->resolvedBy       = 'SolvedBy';
 $lang->bug->resolvedByAB     = 'SolvedBy';
 $lang->bug->resolution       = 'Solution';
 $lang->bug->resolutionAB     = 'Solution';
-$lang->bug->resolvedBuild    = 'Solved Build';
-$lang->bug->resolvedDate     = 'SolvedDate';
-$lang->bug->resolvedDateAB   = 'Solved';
+$lang->bug->resolvedBuild    = 'Build';
+$lang->bug->resolvedDate     = 'Solved Date';
+$lang->bug->resolvedDateAB   = 'SolvedDate';
 $lang->bug->deadline         = 'Deadline';
 $lang->bug->plan             = 'Plan';
 $lang->bug->closedBy         = 'ClosedBy';
@@ -92,7 +92,7 @@ $lang->bug->close              = 'Close';
 $lang->bug->activate           = 'Activate';
 $lang->bug->batchActivate      = 'Batch Activate';
 $lang->bug->reportChart        = 'Report';
-$lang->bug->export             = 'Export';
+$lang->bug->export             = 'Export Data';
 $lang->bug->delete             = 'Delete';
 $lang->bug->deleted            = 'Deleted';
 $lang->bug->confirmStoryChange = 'Confirm Story Change';
@@ -137,7 +137,7 @@ $lang->bug->lblAssignedTo = 'AssignTo';
 $lang->bug->lblMailto     = 'Mailto';
 $lang->bug->lblLastEdited = 'ModifiedBy';
 $lang->bug->lblResolved   = 'SolvedBy';
-$lang->bug->allUsers      = 'All Users';
+$lang->bug->allUsers      = 'Load All Users';
 $lang->bug->allBuilds     = 'All Builds';
 $lang->bug->createBuild   = 'New';
 
diff --git a/module/common/lang/en.php b/module/common/lang/en.php
index 46d0c5beb0..9b86dd2346 100644
--- a/module/common/lang/en.php
+++ b/module/common/lang/en.php
@@ -371,7 +371,7 @@ $lang->user->menu  = $lang->company->menu;
 $lang->admin = new stdclass();
 $lang->admin->menu = new stdclass();
 $lang->admin->menu->index     = array('link' => 'Home|admin|index', 'alias' => 'register,certifytemail,certifyztmobile,ztcompany');
-$lang->admin->menu->message   = array('link' => 'Message|message|index', 'subModule' => 'message,mail,webhook');
+$lang->admin->menu->message   = array('link' => 'Notification|message|index', 'subModule' => 'message,mail,webhook');
 $lang->admin->menu->custom    = array('link' => 'Custom|custom|set', 'subModule' => 'custom');
 $lang->admin->menu->sso       = array('link' => 'Integration|admin|sso');
 
diff --git a/module/custom/lang/en.php b/module/custom/lang/en.php
index a06fd29f2e..669396d19b 100644
--- a/module/custom/lang/en.php
+++ b/module/custom/lang/en.php
@@ -14,7 +14,7 @@ $lang->custom->module     = 'Module';
 $lang->custom->section    = 'Section';
 $lang->custom->lang       = 'Language';
 $lang->custom->setPublic  = 'Set Public';
-$lang->custom->required   = 'Required';
+$lang->custom->required   = 'Required Fields';
 $lang->custom->score      = 'Point';
 $lang->custom->timezone   = 'Timezone';
 $lang->custom->scoreReset = 'Reset Point';
diff --git a/module/editor/lang/en.php b/module/editor/lang/en.php
index 3fc2221dec..8cce94f89a 100644
--- a/module/editor/lang/en.php
+++ b/module/editor/lang/en.php
@@ -3,23 +3,23 @@ $lang->editor->common    = 'Editor';
 $lang->editor->api       = 'API';
 $lang->editor->index     = 'Home';
 $lang->editor->newMethod = 'New Method';
-$lang->editor->extend    = 'Plug-in';
+$lang->editor->extend    = 'Extension';
 $lang->editor->api       = 'API';
 $lang->editor->newLang   = 'New Language';
 $lang->editor->newConfig = 'New Config';
 $lang->editor->newHook   = 'New Hook';
-$lang->editor->newExtend = 'New Plug-in';
+$lang->editor->newExtend = 'New Extension';
 $lang->editor->newPage   = 'New Page';
 $lang->editor->override  = 'Overwrite';
-$lang->editor->edit      = 'Edit Plug-in';
+$lang->editor->edit      = 'Edit Extension';
 $lang->editor->save      = 'Save Page';
 $lang->editor->delete    = 'Delete Page';
 
 $lang->editor->moduleList   = 'Module';
-$lang->editor->filePath     = "Plug-in:";
+$lang->editor->filePath     = "Extension:";
 $lang->editor->sourceFile   = 'Source File:';
 $lang->editor->fileName     = "File Name:";
-$lang->editor->isOverride   = "Overwrote Duplicated File";
+$lang->editor->isOverride   = "Override Duplicated File";
 $lang->editor->exampleHook  = "(e.g. ***.html.hook.php)";
 $lang->editor->exampleJs    = "(e.g. ***.js)";
 $lang->editor->exampleCss   = "(e.g. ***.css)";
@@ -51,7 +51,7 @@ $lang->editor->modules['company']     = 'Company';
 $lang->editor->modules['convert']     = 'Convert';
 $lang->editor->modules['dept']        = 'Department';
 $lang->editor->modules['doc']         = 'Doc';
-$lang->editor->modules['extension']   = 'Plug-in';
+$lang->editor->modules['extension']   = 'Extension';
 $lang->editor->modules['file']        = 'File';
 $lang->editor->modules['group']       = 'Group';
 $lang->editor->modules['index']       = 'Homepage';
diff --git a/module/story/lang/en.php b/module/story/lang/en.php
index 7d068cec82..5e48519e37 100644
--- a/module/story/lang/en.php
+++ b/module/story/lang/en.php
@@ -87,7 +87,7 @@ $lang->story->plan           = 'Linked Plans';
 $lang->story->planAB         = 'Plan';
 $lang->story->comment        = 'Comment';
 $lang->story->linkStories    = 'Linked Stories';
-$lang->story->childStories   = 'Decomposed Story';
+$lang->story->childStories   = 'Decomposed Stories';
 $lang->story->duplicateStory = 'Duplicated Story';
 $lang->story->reviewResult   = 'Review Result';
 $lang->story->preVersion     = 'Last Version';
@@ -176,7 +176,7 @@ $lang->story->legendBugs           = 'Linked Bugs';
 $lang->story->legendFromBug        = 'From Bug';
 $lang->story->legendCases          = 'Linked Cases';
 $lang->story->legendLinkStories    = 'Linked Stories';
-$lang->story->legendChildStories   = 'Decomposed Story';
+$lang->story->legendChildStories   = 'Decomposed Stories';
 $lang->story->legendSpec           = 'Description';
 $lang->story->legendVerify         = 'Acceptance';
 $lang->story->legendMisc           = 'Misc.';
@@ -196,7 +196,7 @@ $lang->story->specTemplate          = "As a < type of user >, I want < some goal
 $lang->story->needNotReview         = 'No Review Required';
 $lang->story->successSaved          = "Story is saved!";
 $lang->story->confirmDelete         = "Do you want to delete this Story?";
-$lang->story->errorEmptyChildStory  = '『Decomposed Story』canot be blank.';
+$lang->story->errorEmptyChildStory  = '『Decomposed Stories』canot be blank.';
 $lang->story->mustChooseResult      = 'Select Result';
 $lang->story->mustChoosePreVersion  = 'Select a version to revert to.';
 $lang->story->noStory               = 'No stories yet. ';
diff --git a/module/task/lang/en.php b/module/task/lang/en.php
index 705f4a7e50..a49052d8c0 100644
--- a/module/task/lang/en.php
+++ b/module/task/lang/en.php
@@ -117,7 +117,7 @@ $lang->task->lblTestStory      = 'Story Tested';
 $lang->task->ditto             = 'Ditto';
 $lang->task->dittoNotice       = "This Task is not linked to the project as the previous one is!";
 $lang->task->selectTestStory   = 'Select Story Testd';
-$lang->task->selectAllUser     = 'Load All Users';
+$lang->task->selectAllUser     = 'All Users';
 $lang->task->noStory           = 'No Story Linked';
 $lang->task->noAssigned        = 'Unassigned';
 $lang->task->noFinished        = 'Unfinished';
diff --git a/module/user/lang/en.php b/module/user/lang/en.php
index 9650c20c81..9828f296c6 100644
--- a/module/user/lang/en.php
+++ b/module/user/lang/en.php
@@ -94,7 +94,7 @@ $lang->user->todo        = 'Todo';
 $lang->user->story       = 'Story';
 $lang->user->dynamic     = 'Dynamics';
 
-$lang->user->openedBy    = 'Openedby';
+$lang->user->openedBy    = 'CreatedBy';
 $lang->user->assignedTo  = 'AssignedTo';
 $lang->user->finishedBy  = 'FinishedBy';
 $lang->user->resolvedBy  = 'SolvedBy';
@@ -106,7 +106,7 @@ $lang->user->testTask2Him = 'BuildBy';
 $lang->user->case2Him     = 'Case AssignedTo';
 $lang->user->caseByHim    = 'Case CreatedBy';
 
-$lang->user->errorDeny    = "Sorry, your access to <b>%s</b> of <b>%s</b> is denied. Please contact your Admin to get permissions. Click Back to return.";
+$lang->user->errorDeny    = "Sorry, your access to <b>%s</b> of <b>%s</b> is denied. Please contact your Admin to get privileges. Click Back to return.";
 $lang->user->loginFailed  = "Login failed. Please check your account and password.";
 $lang->user->lockWarning  = "You can try %s times.";
 $lang->user->loginLocked  = "Please contact the administrator to unlock your account or try %s minutes later.";
@@ -149,10 +149,10 @@ $lang->user->tpl->content = 'Content';
 $lang->user->tpl->public  = 'Public';
 
 $lang->user->placeholder = new stdclass();
-$lang->user->placeholder->account   = 'Letters, underline and numbers, >= 3 characters';
+$lang->user->placeholder->account   = '>= 3 letters, underline and numbers';
 $lang->user->placeholder->password1 = '>= 6 characters';
-$lang->user->placeholder->role      = "Role is related to content and user order.";
-$lang->user->placeholder->group     = "Group is related to user permissions.";
+$lang->user->placeholder->role      = "Role is related to content and user listing order.";
+$lang->user->placeholder->group     = "Group is related to user privileges.";
 $lang->user->placeholder->commiter  = 'SVN/Git account';
 $lang->user->placeholder->verify    = 'Please enter your login password.';