diff --git a/module/task/control.php b/module/task/control.php
index 943641bc5a..f5298d3508 100644
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -1455,7 +1455,11 @@ class task extends control
                 }
 
                 /* Skip parent task when batch close task. */
-                if($task->parent == '-1') continue;
+                if(empty($parentTaskIdList) and ($task->parent == '-1'))
+                {
+                    $parentTasks[$taskID] = $taskID;
+                    continue;
+                }
 
                 /* Skip closed task when batch close task. */
                 if($task->status == 'closed') continue;
@@ -1474,6 +1478,13 @@ class task extends control
                 $cancelURL  = $this->server->HTTP_REFERER;
                 return print(js::confirm(sprintf($this->lang->task->error->skipClose, $skipTasks), $confirmURL, $cancelURL, 'self', 'parent'));
             }
+
+            if(isset($parentTasks) and empty($parentTaskIdList))
+            {
+                $parentTasks = join(',', $parentTasks);
+                return print(js::alert(sprintf($this->lang->task->error->closeParent, $parentTasks)) . js::reload('parent'));
+            }
+
             if(!dao::isError()) $this->loadModel('score')->create('ajax', 'batchOther');
         }
 
diff --git a/module/task/lang/en.php b/module/task/lang/en.php
index b6eacee3be..1c6c97db04 100644
--- a/module/task/lang/en.php
+++ b/module/task/lang/en.php
@@ -237,6 +237,7 @@ $lang->task->error->left              = 'Please enter "Hours Left"';
 $lang->task->error->work              = '"Comment" must be <  %d characters.';
 $lang->task->error->skipClose         = 'Task: %s is not “Finished” or “Cancelled”. Do you want to close it?';
 $lang->task->error->consumed          = 'Task: %s hour must be < 0. Ignore changes to this task.';
+$lang->task->error->closeParent       = 'Task: %s is the Parent Task, which is automatically closed after all subtasks under the Parent Task are closed and cannot be closed manually.';
 $lang->task->error->assignedTo        = 'Multi-user task in the current status cannot be assigned to a member who is not in the task team.';
 $lang->task->error->consumedEmpty     = '"Current Cost" should not be 0.';
 $lang->task->error->deadlineSmall     = '"Deadline" must be greater than "StartDate".';
diff --git a/module/task/lang/zh-cn.php b/module/task/lang/zh-cn.php
index f1a9a910b1..d94b5b1690 100644
--- a/module/task/lang/zh-cn.php
+++ b/module/task/lang/zh-cn.php
@@ -236,6 +236,7 @@ $lang->task->error->left              = '请填写"剩余"';
 $lang->task->error->work              = '"备注"必须小于%d个字符';
 $lang->task->error->teamMember        = '团队成员必须不少于2人';
 $lang->task->error->skipClose         = '任务：%s 不是“已完成”或“已取消”状态，确定要关闭吗？';
+$lang->task->error->closeParent       = '任务：%s 是父任务，父任务在其产生的所有子任务关闭后会自动关闭，无法手动关闭。';
 $lang->task->error->consumed          = '任务：%s工时不能小于0，忽略该任务工时的改动';
 $lang->task->error->assignedTo        = '当前状态的多人任务不能指派给任务团队外的成员。';
 $lang->task->error->consumedEmpty     = '"本次消耗"不能为0';