diff --git a/db/zentao.sql b/db/zentao.sql
index 827366da2b..ca94b63909 100755
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -1542,7 +1542,7 @@ CREATE TABLE IF NOT EXISTS `zt_task` (
   KEY `execution` (`execution`),
   KEY `story` (`story`),
   KEY `parent` (`parent`),
-  KEY `assignedTo` (`assignedTo`)
+  KEY `assignedTo` (`assignedTo`),
   KEY `order` (`order`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 -- DROP TABLE IF EXISTS `zt_taskestimate`;
diff --git a/module/execution/model.php b/module/execution/model.php
index 9a090b9465..e0aee7f9cc 100644
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -4361,6 +4361,8 @@ class executionModel extends model
         $this->loadModel('execution');
         $this->loadModel('programplan');
 
+        $today = helper::today();
+
         if(!$isChild)
         {
             $trClass = 'is-top-level table-nest-child-hide';
@@ -4385,8 +4387,22 @@ class executionModel extends model
         echo '<td>' . zget($users, $execution->PM) . '</td>';
         echo "<td class='status-{$execution->status}'>" . zget($this->lang->project->statusList, $execution->status) . '</td>';
         echo '<td>' . html::ring($execution->hours->progress) . '</td>';
-        echo '<td>' . $execution->begin . '</td>';
-        echo '<td>' . $execution->end . '</td>';
+        echo helper::isZeroDate($execution->begin) ? '<td></td>' : '<td>' . $execution->begin . '</td>';
+        if(!helper::isZeroDate($execution->end))
+        {
+            if($execution->status != 'closed')
+            {
+                echo strtotime($today) > strtotime($execution->end) ? '<td class="delayed" title="' . $this->lang->execution->delayed . '">' . $execution->end . '</td>' : '<td>' . $execution->end . '</td>';
+            }
+            else
+            {
+                echo '<td>' . $execution->end . '</td>';
+            }
+        }
+        else
+        {
+            echo '<td></td>';
+        }
         echo "<td class='hours' title='{$execution->hours->totalEstimate}{$this->lang->execution->workHour}'>" . $execution->hours->totalEstimate . $this->lang->execution->workHourUnit . '</td>';
         echo "<td class='hours' title='{$execution->hours->totalConsumed}{$this->lang->execution->workHour}'>" . $execution->hours->totalConsumed . $this->lang->execution->workHourUnit . '</td>';
         echo "<td class='hours' title='{$execution->hours->totalLeft}{$this->lang->execution->workHour}'>" . $execution->hours->totalLeft . $this->lang->execution->workHourUnit . '</td>';
diff --git a/module/project/css/common.css b/module/project/css/common.css
index c7dfdc44b7..8b503b764e 100644
--- a/module/project/css/common.css
+++ b/module/project/css/common.css
@@ -1,3 +1,4 @@
 .future {display: inline-block;}
 .c-number {overflow: hidden; text-align: right !important; text-overflow: ellipsis; white-space: nowrap;}
 .text-remind {color: #ffa34d;}
+td.delayed {color: #fff; background: #e84e0f !important;}
diff --git a/module/task/model.php b/module/task/model.php
index 0dbfc03fd5..290032a749 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -3782,6 +3782,9 @@ class taskModel extends model
      */
     public function buildNestedList($execution, $task, $isChild = false, $showmore = false, $users = array())
     {
+        $this->app->loadLang('execution');
+
+        $today    = helper::today();
         $showmore = $showmore ? 'showmore' : '';
         $trAttrs  = "data-id='t$task->id'";
         if(!$isChild)
@@ -3806,8 +3809,22 @@ class taskModel extends model
         $list .= '<td>' . zget($users, $task->assignedTo, '') . '</td>';
         $list .= "<td class='status-{$task->status}'>" . $this->processStatus('task', $task) . '</td>';
         $list .= '<td></td>';
-        $list .= '<td>' . $task->estStarted . '</td>';
-        $list .= '<td>' . $task->deadline . '</td>';
+        $list .= helper::isZeroDate($task->estStarted) ? '<td></td>' : '<td>' . $task->estStarted . '</td>';
+        if(!helper::isZeroDate($task->deadline))
+        {
+            if($task->status != 'done')
+            {
+                $list .= strtotime($today) > strtotime($task->deadline) ? '<td class="delayed" ' . 'title="' . $this->lang->execution->delayed . '">' . $task->deadline . '</td>' : '<td>' . $task->deadline . '</td>';
+            }
+            else
+            {
+                $list .= '<td>' . $task->deadline . '</td>';
+            }
+        }
+        else
+        {
+            $list .= '<td></td>';
+        }
         $list .= '<td>' . $task->estimate . $this->lang->execution->workHourUnit . '</td>';
         $list .= '<td>' . $task->consumed . $this->lang->execution->workHourUnit . '</td>';
         $list .= '<td>' . $task->left . $this->lang->execution->workHourUnit . '</td>';