diff --git a/module/task/lang/en.php b/module/task/lang/en.php
index dd221efd49..b115034c02 100644
--- a/module/task/lang/en.php
+++ b/module/task/lang/en.php
@@ -254,5 +254,4 @@ $lang->task->report->finishedTasksPerDay->height             = 400;
 $lang->task->report->finishedTasksPerDay->graph->xAxisName   = 'Date';
 $lang->task->report->finishedTasksPerDay->graph->rotateNames = '1';
 
-$lang->task->placeholder = new stdclass();
-$lang->task->placeholder->estimate = 'The estimated time for this task';
+$lang->task->estimateTip = 'The estimated time for this task';
diff --git a/module/task/lang/zh-cn.php b/module/task/lang/zh-cn.php
index 8811b516b4..71270e9c40 100644
--- a/module/task/lang/zh-cn.php
+++ b/module/task/lang/zh-cn.php
@@ -254,5 +254,4 @@ $lang->task->report->finishedTasksPerDay->height             = 400;
 $lang->task->report->finishedTasksPerDay->graph->xAxisName   = '日期';
 $lang->task->report->finishedTasksPerDay->graph->rotateNames = '1';
 
-$lang->task->placeholder = new stdclass();
-$lang->task->placeholder->estimate = '对该任务最初的预计';
+$lang->task->estimateTip = '对该任务最初的预计';
diff --git a/module/task/view/create.html.php b/module/task/view/create.html.php
index d3d6fbc716..79fb5dc4cd 100644
--- a/module/task/view/create.html.php
+++ b/module/task/view/create.html.php
@@ -73,7 +73,7 @@
             <?php echo html::input('estimate', $task->estimate, "class='form-control'")?>
             <span class="input-group-addon"><?php echo $lang->task->hour;?></span>
           </div>
-        </td><td></td>
+        </td><td><div class='help-block'><?php echo $lang->task->estimateTip?></div></td>
       </tr>
       <tr>
         <th><?php echo $lang->task->estStarted;?></th>