diff --git a/module/dept/lang/en.php b/module/dept/lang/en.php
index b856774739..7fff61dddd 100644
--- a/module/dept/lang/en.php
+++ b/module/dept/lang/en.php
@@ -10,7 +10,7 @@
  * @link        http://www.zentao.net
  */
 $lang->dept->common      = 'Department';
-$lang->dept->manageChild = "Child Dept";
+$lang->dept->manageChild = "Department";
 $lang->dept->edit        = "Edit";
 $lang->dept->delete      = "Delete";
 $lang->dept->parent      = "Parent Dept";
@@ -20,7 +20,7 @@ $lang->dept->browse      = "Manage";
 $lang->dept->manage      = "Manage Department";
 $lang->dept->updateOrder = "Sort";
 $lang->dept->add         = "Add Department";
-$lang->dept->dragAndSort = "Drag and Sort";
+$lang->dept->dragAndSort = "Drag to order";
 
 $lang->dept->confirmDelete = " Do you want to delete this Department?";
 $lang->dept->successSave   = " Saved!";
diff --git a/module/project/lang/en.php b/module/project/lang/en.php
index 2fbc552de7..2e644316b8 100644
--- a/module/project/lang/en.php
+++ b/module/project/lang/en.php
@@ -19,7 +19,7 @@ $lang->project->begin         = 'Begin';
 $lang->project->end           = 'End';
 $lang->project->dateRange     = 'Duration';
 $lang->project->to            = 'To';
-$lang->project->days          = 'Available Day';
+$lang->project->days          = 'Available Days';
 $lang->project->day           = ' days';
 $lang->project->workHour      = ' hours';
 $lang->project->totalHours    = 'Hour';
@@ -100,7 +100,7 @@ $lang->project->statusList['doing']     = 'Doing';
 $lang->project->statusList['suspended'] = 'Suspended';
 $lang->project->statusList['closed']    = 'Closed';
 
-$lang->project->aclList['open']    = "Default (Users who have the permission to visit {$lang->projectCommon} can access it.)";
+$lang->project->aclList['open']    = "Default (Users who have the privilege to visit {$lang->projectCommon} can access it.)";
 $lang->project->aclList['private'] = 'Private (For team members only.)';
 $lang->project->aclList['custom']  = 'Whitelist (Team members and the whitelist members can access it.)';
 
@@ -150,7 +150,7 @@ $lang->project->treeOnlyTask      = 'Task Only';
 $lang->project->treeOnlyStory     = 'Story Only';
 $lang->project->storyKanban       = 'Story Kanban';
 $lang->project->storySort         = 'Sort Story';
-$lang->project->importPlanStory   = '' . $lang->projectCommon . ' is created!\nDo you want to import stories linked to the plan?';
+$lang->project->importPlanStory   = '' . $lang->projectCommon . ' is created!\nDo you want to import stories that have been linked to the plan?';
 $lang->project->iteration         = 'Iteration';
 $lang->project->iterationInfo     = '%s Iterations';
 $lang->project->viewAll           = 'View All';
@@ -198,20 +198,20 @@ $lang->project->beginAndEnd         = 'Duration';
 $lang->project->begin               = 'Begin';
 $lang->project->end                 = 'End';
 $lang->project->lblStats            = 'Total Man-hour(h) : ';
-$lang->project->stats               = '<strong>%s</strong> Available, <strong>%s</strong> Total Estimates, <strong>%s</strong> Cost, <strong>%s</strong> Left.';
-$lang->project->taskSummary         = "Tasks on this page : <strong>%s</strong> Total, <strong>%s</strong> Wait, <strong>%s</strong> Doing;  &nbsp;&nbsp;&nbsp;  Hours : <strong>%s</strong> Est., <strong>%s</strong> Cost, <strong>%s</strong> Left.";
-$lang->project->checkedSummary      = " <strong>%total%</strong> Checked, <strong>%wait%</strong> Wait, <strong>%doing%</strong> Doing;    Hours: <strong>%estimate%</strong>  Est., <strong>%consumed%</strong> Cost, <strong>%left%</strong> Left.";
-$lang->project->memberHoursAB       = "%s has <strong>%s</strong> Hours";
+$lang->project->stats               = '<strong>%s</strong> Available, <strong>%s</strong> Estimates, <strong>%s</strong> Cost, <strong>%s</strong> Left.';
+$lang->project->taskSummary         = "Tasks on this page : <strong>%s</strong> Total, <strong>%s</strong> Wait, <strong>%s</strong> Doing;  &nbsp;&nbsp;&nbsp;  Hours : <strong>%s</strong> Estimates, <strong>%s</strong> Cost, <strong>%s</strong> Left.";
+$lang->project->checkedSummary      = " <strong>%total%</strong> Checked, <strong>%wait%</strong> Wait, <strong>%doing%</strong> Doing;    Hours: <strong>%estimate%</strong>  Estimates, <strong>%consumed%</strong> Cost, <strong>%left%</strong> Left.";
+$lang->project->memberHoursAB       = "%s has <strong>%s</strong> hours";
 $lang->project->memberHours         = '<div class="table-col"><div class="clearfix segments"><div class="segment"><div class="segment-title">%s Working Hours</div><div class="segment-value">%s</div></div></div></div>';
 $lang->project->countSummary        = '<div class="table-col"><div class="clearfix segments"><div class="segment"><div class="segment-title">Tasks</div><div class="segment-value">%s</div></div><div class="segment"><div class="segment-title">Doing</div><div class="segment-value"><span class="label label-dot label-primary"></span> %s</div></div><div class="segment"><div class="segment-title">Wait</div><div class="segment-value"><span class="label label-dot label-primary muted"></span> %s</div></div></div></div>';
 $lang->project->timeSummary         = '<div class="table-col"><div class="clearfix segments"><div class="segment"><div class="segment-title">Est.</div><div class="segment-value">%s</div></div><div class="segment"><div class="segment-title">Cost</div><div class="segment-value text-red">%s</div></div><div class="segment"><div class="segment-title">Left</div><div class="segment-value">%s</div></div></div></div>';
-$lang->project->groupSummaryAB      = "<div>Tasks <strong>%s ：</strong><span class='text-muted'>Wait</span> %s &nbsp; <span class='text-muted'>Doing</span> %s</div><div>Est. <strong>%s ：</strong><span class='text-muted'>Cost</span> %s &nbsp; <span class='text-muted'>Left</span> %s</div>";
+$lang->project->groupSummaryAB      = "<div>Tasks <strong>%s ：</strong><span class='text-muted'>Wait</span> %s &nbsp; <span class='text-muted'>Doing</span> %s</div><div>Estimates <strong>%s ：</strong><span class='text-muted'>Cost</span> %s &nbsp; <span class='text-muted'>Left</span> %s</div>";
 $lang->project->wbs                 = "Decompose Task";
 $lang->project->batchWBS            = "Batch Decompose";
-$lang->project->howToUpdateBurn     = "<a href='https://api.zentao.pm/goto.php?item=burndown' target='_blank' title='How to Update the Burndown Chart?' class='btn btn-link'>Help <i class='icon icon-help'></i></a>";
-$lang->project->whyNoStories        = "No Story can be linked. Please check whether there is Story in {$lang->projectCommon} linked {$lang->productCommon} and make sure it has been reviewed.";
-$lang->project->productStories      = "{$lang->projectCommon} linked  story is the subeset of {$lang->productCommon}, which can only be linked after review. Please <a href='%s'> Link Story</a>。";
-$lang->project->haveDraft           = "There are %s stories in draft that can't be linked.";
+$lang->project->howToUpdateBurn     = "<a href='https://api.zentao.pm/goto.php?item=burndown' target='_blank' title='How to update the Burndown Chart?' class='btn btn-link'>Help <i class='icon icon-help'></i></a>";
+$lang->project->whyNoStories        = "No Story can be linked. Please check whether there is any story in {$lang->projectCommon} which is linked to {$lang->productCommon} and make sure it has been reviewed.";
+$lang->project->productStories      = "Stories linked to {$lang->projectCommon} are the subeset of stories linked to {$lang->productCommon}. Stories can only be linked after they pass the review. <a href='%s'> Link Story</a> now.";
+$lang->project->haveDraft           = "%s stories in draft, so they can't be linked.";
 $lang->project->doneProjects        = 'Done';
 $lang->project->selectDept          = 'Select Department';
 $lang->project->selectDeptTitle     = 'Select User';
@@ -232,8 +232,8 @@ $lang->project->noMembers           = 'No members. ';
 $lang->project->confirmDelete         = "Do you want to delete the {$lang->projectCommon}[%s]?";
 $lang->project->confirmUnlinkMember   = "Do you want to unlink this User from {$lang->projectCommon}?";
 $lang->project->confirmUnlinkStory    = "Do you want to unlink this Story from {$lang->projectCommon}?";
-$lang->project->errorNoLinkedProducts = "No linked {$lang->productCommon} found in {$lang->projectCommon}. You will be directed to {$lang->productCommon}linked page.";
-$lang->project->errorSameProducts     = "{$lang->projectCommon} cannot be linked with multiple identical {$lang->productCommon}。";
+$lang->project->errorNoLinkedProducts = "No {$lang->productCommon} is linked to {$lang->projectCommon}. You will be directed to {$lang->productCommon} page to link one.";
+$lang->project->errorSameProducts     = "{$lang->projectCommon} cannot be linked to the same {$lang->productCommon} twice.";
 $lang->project->accessDenied          = "Your access to {$lang->projectCommon} is denied!";
 $lang->project->tips                  = 'Note';
 $lang->project->afterInfo             = "{$lang->projectCommon} is created. Next you can ";
@@ -286,7 +286,7 @@ $lang->project->resetKanban   = "Reset Settings";
 $lang->project->printKanban   = "Print Kanban";
 $lang->project->bugList       = "Bugs";
 
-$lang->project->kanbanHideCols   = 'Hide closed and canceled columns in Kanban';
+$lang->project->kanbanHideCols   = 'Hide closed and cancelled columns in Kanban';
 $lang->project->kanbanShowOption = 'Unfold';
 $lang->project->kanbanColsColor  = 'Custom column color';
 
diff --git a/module/task/lang/en.php b/module/task/lang/en.php
index 0c98974530..203fc85b80 100644
--- a/module/task/lang/en.php
+++ b/module/task/lang/en.php
@@ -65,11 +65,11 @@ $lang->task->hour              = 'Hour';
 $lang->task->consumedThisTime  = 'Cost';
 $lang->task->leftThisTime      = 'Left';
 $lang->task->datePlan          = 'Plan';
-$lang->task->estStarted        = 'Planned Start';
-$lang->task->realStarted       = 'Actual Start';
+$lang->task->estStarted        = 'Start';
+$lang->task->realStarted       = 'Started';
 $lang->task->date              = 'Date';
-$lang->task->deadline          = 'Planned End';
-$lang->task->deadlineAB        = 'Planned End';
+$lang->task->deadline          = 'Due';
+$lang->task->deadlineAB        = 'Due';
 $lang->task->status            = 'Status';
 $lang->task->desc              = 'Description';
 $lang->task->assign            = 'Assign';
@@ -80,9 +80,9 @@ $lang->task->assignedToAB      = 'Assignee';
 $lang->task->assignedDate      = 'Assigned';
 $lang->task->openedBy          = 'Created by';
 $lang->task->openedDate        = 'Created';
-$lang->task->openedDateAB      = 'Add';
-$lang->task->finishedBy        = 'Ended By';
-$lang->task->finishedByAB      = 'Ended By';
+$lang->task->openedDateAB      = 'Created';
+$lang->task->finishedBy        = 'Done By';
+$lang->task->finishedByAB      = 'Done By';
 $lang->task->finishedDate      = 'Actual End';
 $lang->task->finishedDateAB    = 'Actual End';
 $lang->task->finishedList      = 'FinishedBy List';