diff --git a/module/install/lang/zh-cn.php b/module/install/lang/zh-cn.php
index ce0c78b080..3507f9f1b4 100644
--- a/module/install/lang/zh-cn.php
+++ b/module/install/lang/zh-cn.php
@@ -183,7 +183,7 @@ $lang->install->promotion      = "为您推荐易软天创旗下其他产品："
 $lang->install->chanzhi        = new stdclass();
 $lang->install->chanzhi->name  = '蝉知门户';
 $lang->install->chanzhi->logo  = 'images/main/chanzhi.ico';
-$lang->install->chanzhi->url   = 'http://www.chanzhi.org';
+$lang->install->chanzhi->url   = 'http://www.zsite.com';
 $lang->install->chanzhi->desc  = <<<EOD
 <ul>
   <li>专业的企业营销门户系统</li>
@@ -209,7 +209,7 @@ EOD;
 $lang->install->xuanxuan = new stdclass();
 $lang->install->xuanxuan->name  = '喧喧聊天';
 $lang->install->xuanxuan->logo  = 'images/main/xuanxuan.ico';
-$lang->install->xuanxuan->url   = 'http://www.xuan.im';
+$lang->install->xuanxuan->url   = 'http://www.xuanim.com';
 $lang->install->xuanxuan->desc  = <<<EOD
 <ul>
   <li>轻：轻量级架构，容易部署</li>
diff --git a/module/install/lang/zh-tw.php b/module/install/lang/zh-tw.php
index bc15a379fe..6907bd42df 100644
--- a/module/install/lang/zh-tw.php
+++ b/module/install/lang/zh-tw.php
@@ -183,7 +183,7 @@ $lang->install->promotion      = "為您推薦易軟天創旗下其他產品："
 $lang->install->chanzhi        = new stdclass();
 $lang->install->chanzhi->name  = '蟬知門戶';
 $lang->install->chanzhi->logo  = 'images/main/chanzhi.ico';
-$lang->install->chanzhi->url   = 'http://www.chanzhi.org';
+$lang->install->chanzhi->url   = 'http://www.zsite.com';
 $lang->install->chanzhi->desc  = <<<EOD
 <ul>
   <li>專業的企業營銷門戶系統</li>
@@ -209,7 +209,7 @@ EOD;
 $lang->install->xuanxuan = new stdclass();
 $lang->install->xuanxuan->name  = '喧喧聊天';
 $lang->install->xuanxuan->logo  = 'images/main/xuanxuan.ico';
-$lang->install->xuanxuan->url   = 'http://www.xuan.im';
+$lang->install->xuanxuan->url   = 'http://www.xuanim.com';
 $lang->install->xuanxuan->desc  = <<<EOD
 <ul>
   <li>輕：輕量級架構，容易部署</li>
diff --git a/module/project/model.php b/module/project/model.php
index 3b0f2b028b..00b2a5b5b1 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -2955,7 +2955,7 @@ class projectModel extends model
             $taskItem->estimate     = $task->estimate;
             $taskItem->consumed     = $task->consumed;
             $taskItem->left         = $task->left;
-            $taskItem->openedBy     = $users[$task->openedBy];
+            $taskItem->openedBy     = zget($users, $task->openedBy);
             $taskItem->assignedTo   = zget($users, $task->assignedTo);
             $taskItem->url          = helper::createLink('task', 'view', "task=$task->id");
             $taskItem->storyChanged = $story and $story->status == 'active' and $story->version > $story->taskVersion;
diff --git a/module/project/view/view.html.php b/module/project/view/view.html.php
index daa6b50217..3da59f0ae6 100644
--- a/module/project/view/view.html.php
+++ b/module/project/view/view.html.php
@@ -231,7 +231,7 @@
                     <tr class='statsTr'><td class='w-100px'></td><td></td><td></td><td></td></tr>
                     <tr>
                       <td colspan="4">
-                        <?php $progress = ($project->totalConsumed + $project->totalLeft) ? round($project->totalConsumed / ($project->totalConsumed + $project->totalLeft), 3) * 100 : 0;?>
+                        <?php $progress = ($project->totalConsumed + $project->totalLeft) ? floor($project->totalConsumed / ($project->totalConsumed + $project->totalLeft) * 1000) / 1000 * 100 : 0;?>
                         <?php echo $lang->project->progress;?> <em><?php echo $progress . $lang->percent;?></em> &nbsp;
                         <div class="progress inline-block">
                           <div class="progress-bar progress-bar-success" role="progressbar" aria-valuenow="<?php echo $progress;?>" aria-valuemin="0" aria-valuemax="100" style="width: <?php echo $progress . $lang->percent;?>"></div>
diff --git a/module/task/control.php b/module/task/control.php
index 0a7890d622..8b26d93264 100644
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -251,6 +251,10 @@ class task extends control
         /* Set menu. */
         $this->project->setMenu($this->project->getPairs(), $project->id);
 
+        /* When common task are child tasks, query whether common task are consumed. */
+        $taskConsumed = 0;
+        if($taskID) $taskConsumed = $this->dao->select('consumed')->from(TABLE_TASK)->where('id')->eq($taskID)->andWhere('parent')->eq(0)->fetch('consumed');
+
         if(!empty($_POST))
         {
             $mails = $this->task->batchCreate($projectID);
@@ -280,17 +284,18 @@ class task extends control
 
         if($taskID) $this->view->parentTitle = $this->dao->select('name')->from(TABLE_TASK)->where('id')->eq($taskID)->fetch('name');
 
-        $this->view->title      = $title;
-        $this->view->position   = $position;
-        $this->view->project    = $project;
-        $this->view->stories    = $stories;
-        $this->view->modules    = $modules;
-        $this->view->parent     = $taskID;
-        $this->view->storyID    = $storyID;
-        $this->view->story      = $this->story->getByID($storyID);
-        $this->view->storyTasks = $this->task->getStoryTaskCounts(array_keys($stories), $projectID);
-        $this->view->members    = $members;
-        $this->view->moduleID   = $moduleID;
+        $this->view->title        = $title;
+        $this->view->position     = $position;
+        $this->view->project      = $project;
+        $this->view->stories      = $stories;
+        $this->view->modules      = $modules;
+        $this->view->parent       = $taskID;
+        $this->view->storyID      = $storyID;
+        $this->view->story        = $this->story->getByID($storyID);
+        $this->view->storyTasks   = $this->task->getStoryTaskCounts(array_keys($stories), $projectID);
+        $this->view->members      = $members;
+        $this->view->moduleID     = $moduleID;
+        $this->view->taskConsumed = $taskConsumed;
         $this->display();
     }
 
diff --git a/module/task/js/batchcreate.js b/module/task/js/batchcreate.js
index 795e7fab84..7b4cc049f6 100755
--- a/module/task/js/batchcreate.js
+++ b/module/task/js/batchcreate.js
@@ -3,6 +3,7 @@ $(function()
 {
     removeDitto();
     if($('#batchCreateForm table thead tr th.c-name').width() < 200) $('#batchCreateForm table thead tr th.c-name').width(200);
+    if(taskConsumed > 0) alert(addChildTask);
 });
 
 /* Get select of stories.*/
diff --git a/module/task/lang/de.php b/module/task/lang/de.php
index de2bb80c18..0951ddd38c 100644
--- a/module/task/lang/de.php
+++ b/module/task/lang/de.php
@@ -197,23 +197,25 @@ $lang->task->deniedNotice          = 'Nur %s kann die Aufgabe %s.';
 $lang->task->noTask                = 'Keine Aufagben. ';
 $lang->task->createDenied          = 'Aufgben erstellen it in diesem Projekt gesperrt';
 $lang->task->cannotDeleteParent    = 'Cannot delete parent task';
+$lang->task->addChildTask          = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 
 $lang->task->error = new stdclass();
-$lang->task->error->totalNumber      = '"Total Cost" must be numbers.';
-$lang->task->error->consumedNumber   = '"Verbraucht" muss eine Zahl sein.';
-$lang->task->error->estimateNumber   = '"Stunden" müss eine Zahl sein.';
-$lang->task->error->leftNumber       = '"Left" must be numbers.';
-$lang->task->error->recordMinus      = 'Work hours should not be negative number.';
-$lang->task->error->consumedSmall    = '"Genutzt" muss larger than before.';
-$lang->task->error->consumedThisTime = 'Bitte geben Sie die Stunden an';
-$lang->task->error->left             = 'Bitte geben Sie die verbleibenden Stunden an"';
-$lang->task->error->work             = '"Bemerkung" muss kleiner als %d Zeichen sein.';
-$lang->task->error->skipClose        = 'Aufgabe: %s ist nicht “Erledigt” oder “Abgebrochen”. Möchten Sie die Aufgabe jetzt schließen?';
-$lang->task->error->consumed         = 'Aufgabe: %s Hour must be more than 0. Ignore changes to this Task.';
-$lang->task->error->assignedTo       = 'Mehere Tasks können nicht zugewisen werden, da die Benutzer nicht teil des Teams sind.';
-$lang->task->error->consumedEmpty    = '"Current Cost" should not be 0.';
-$lang->task->error->deadlineSmall    = '"Deadline" must be greater than "StartDate".';
-$lang->task->error->alreadyStarted   = 'You cannot start this task, because it is started.';
+$lang->task->error->totalNumber       = '"Total Cost" must be numbers.';
+$lang->task->error->consumedNumber    = '"Verbraucht" muss eine Zahl sein.';
+$lang->task->error->estimateNumber    = '"Stunden" müss eine Zahl sein.';
+$lang->task->error->leftNumber        = '"Left" must be numbers.';
+$lang->task->error->recordMinus       = 'Work hours should not be negative number.';
+$lang->task->error->consumedSmall     = '"Genutzt" muss larger than before.';
+$lang->task->error->consumedThisTime  = 'Bitte geben Sie die Stunden an';
+$lang->task->error->left              = 'Bitte geben Sie die verbleibenden Stunden an"';
+$lang->task->error->work              = '"Bemerkung" muss kleiner als %d Zeichen sein.';
+$lang->task->error->skipClose         = 'Aufgabe: %s ist nicht “Erledigt” oder “Abgebrochen”. Möchten Sie die Aufgabe jetzt schließen?';
+$lang->task->error->consumed          = 'Aufgabe: %s Hour must be more than 0. Ignore changes to this Task.';
+$lang->task->error->assignedTo        = 'Mehere Tasks können nicht zugewisen werden, da die Benutzer nicht teil des Teams sind.';
+$lang->task->error->consumedEmpty     = '"Current Cost" should not be 0.';
+$lang->task->error->deadlineSmall     = '"Deadline" must be greater than "StartDate".';
+$lang->task->error->alreadyStarted    = 'You cannot start this task, because it is started.';
+$lang->task->error->chooseOtherParent = 'the currently selected parent task has been consumed, please select another parent task.';
 
 /* Report. */
 $lang->task->report = new stdclass();
diff --git a/module/task/lang/en.php b/module/task/lang/en.php
index 4e4acdba88..4078d1df12 100644
--- a/module/task/lang/en.php
+++ b/module/task/lang/en.php
@@ -197,23 +197,25 @@ $lang->task->deniedNotice          = 'Only the %s can %s the task.';
 $lang->task->noTask                = 'No tasks yet. ';
 $lang->task->createDenied          = 'Create Task is denied in this project';
 $lang->task->cannotDeleteParent    = 'Cannot delete parent task';
+$lang->task->addChildTask          = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 
 $lang->task->error = new stdclass();
-$lang->task->error->totalNumber      = '"Total Cost" must be numbers.';
-$lang->task->error->consumedNumber   = '"Current Cost" must be numbers.';
-$lang->task->error->estimateNumber   = '"Estimates" must be numbers.';
-$lang->task->error->leftNumber       = '"Left" must be numbers.';
-$lang->task->error->recordMinus      = 'Work hours should not be negative number.';
-$lang->task->error->consumedSmall    = '"Total Cost" must be > the last number.';
-$lang->task->error->consumedThisTime = 'Please enter "Hours Cost"';
-$lang->task->error->left             = 'Please enter "Hours Left"';
-$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.';
-$lang->task->error->assignedTo       = 'Multi-user task in the current status cannot be assigned to a member who is not in the task team.';
-$lang->task->error->consumedEmpty    = '"Current Cost" should not be 0.';
-$lang->task->error->deadlineSmall    = '"Deadline" must be greater than "StartDate".';
-$lang->task->error->alreadyStarted   = 'You cannot start this task, because it is started.';
+$lang->task->error->totalNumber       = '"Total Cost" must be numbers.';
+$lang->task->error->consumedNumber    = '"Current Cost" must be numbers.';
+$lang->task->error->estimateNumber    = '"Estimates" must be numbers.';
+$lang->task->error->leftNumber        = '"Left" must be numbers.';
+$lang->task->error->recordMinus       = 'Work hours should not be negative number.';
+$lang->task->error->consumedSmall     = '"Total Cost" must be > the last number.';
+$lang->task->error->consumedThisTime  = 'Please enter "Hours Cost"';
+$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->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".';
+$lang->task->error->alreadyStarted    = 'You cannot start this task, because it is started.';
+$lang->task->error->chooseOtherParent = 'the currently selected parent task has been consumed, please select another parent task.';
 
 /* Report. */
 $lang->task->report = new stdclass();
diff --git a/module/task/lang/fr.php b/module/task/lang/fr.php
index 8e5b891b35..ba5ace3d25 100644
--- a/module/task/lang/fr.php
+++ b/module/task/lang/fr.php
@@ -197,23 +197,25 @@ $lang->task->deniedNotice          = 'Seulement le %s peut %s la tâche.';
 $lang->task->noTask                = "Pas de tâche pour l'instant. ";
 $lang->task->createDenied          = 'La création de tâches est interdite dans ce projet';
 $lang->task->cannotDeleteParent    = 'Impossible de supprimer la tâche parente';
+$lang->task->addChildTask          = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 
 $lang->task->error = new stdclass();
-$lang->task->error->totalNumber      = '"Coût Total" doit être numérique.';
-$lang->task->error->consumedNumber   = '"Coût" doit être numérique.';
-$lang->task->error->estimateNumber   = '"Estimé" doit être numérique.';
-$lang->task->error->leftNumber       = '"Entrez" doit être numérique.';
-$lang->task->error->recordMinus      = 'Les heures de travail ne doivent pas être un nombre négatif.';
-$lang->task->error->consumedSmall    = '"Coût Total" doit être > au dernier chiffre.';
-$lang->task->error->consumedThisTime = 'Entrez le "Coût en Heures"';
-$lang->task->error->left             = 'Entrez les "Heures Restantes"';
-$lang->task->error->work             = '"Commentaire" doit être <  %d caractères.';
-$lang->task->error->skipClose        = 'Tâche: %s non “Finie” ou “Annulée”. Voulez-vous la fermer malgré tout ?';
-$lang->task->error->consumed         = 'Tâche: %s heures doivent être < 0. Ignorer changements de cette tâche.';
-$lang->task->error->assignedTo       = "Tâche Multi-user dans le statut courant ne peut pas être assignée à un membre qui ne fait pas partie de l'équipe.";
-$lang->task->error->consumedEmpty    = '"Coût Actuel" ne devrait pas être 0.';
-$lang->task->error->deadlineSmall    = '"Date Limite" doit être supérieur à la "Date de Départ".';
-$lang->task->error->alreadyStarted   = 'You cannot start this task, because it is started.';
+$lang->task->error->totalNumber       = '"Coût Total" doit être numérique.';
+$lang->task->error->consumedNumber    = '"Coût" doit être numérique.';
+$lang->task->error->estimateNumber    = '"Estimé" doit être numérique.';
+$lang->task->error->leftNumber        = '"Entrez" doit être numérique.';
+$lang->task->error->recordMinus       = 'Les heures de travail ne doivent pas être un nombre négatif.';
+$lang->task->error->consumedSmall     = '"Coût Total" doit être > au dernier chiffre.';
+$lang->task->error->consumedThisTime  = 'Entrez le "Coût en Heures"';
+$lang->task->error->left              = 'Entrez les "Heures Restantes"';
+$lang->task->error->work              = '"Commentaire" doit être <  %d caractères.';
+$lang->task->error->skipClose         = 'Tâche: %s non “Finie” ou “Annulée”. Voulez-vous la fermer malgré tout ?';
+$lang->task->error->consumed          = 'Tâche: %s heures doivent être < 0. Ignorer changements de cette tâche.';
+$lang->task->error->assignedTo        = "Tâche Multi-user dans le statut courant ne peut pas être assignée à un membre qui ne fait pas partie de l'équipe.";
+$lang->task->error->consumedEmpty     = '"Coût Actuel" ne devrait pas être 0.';
+$lang->task->error->deadlineSmall     = '"Date Limite" doit être supérieur à la "Date de Départ".';
+$lang->task->error->alreadyStarted    = 'You cannot start this task, because it is started.';
+$lang->task->error->chooseOtherParent = 'the currently selected parent task has been consumed, please select another parent task.';
 
 /* Report. */
 $lang->task->report = new stdclass();
diff --git a/module/task/lang/vi.php b/module/task/lang/vi.php
index bf8e17bb6a..45ca76f4e6 100644
--- a/module/task/lang/vi.php
+++ b/module/task/lang/vi.php
@@ -197,23 +197,25 @@ $lang->task->deniedNotice          = 'Chỉ có %s này có thể %s nhiệm v
 $lang->task->noTask                = 'Không có nhiệm vụ nào';
 $lang->task->createDenied          = 'Tạo nhiệm vụ bị từ chối trong dự án này';
 $lang->task->cannotDeleteParent    = 'Không thể xóa nhiệm vụ cha';
+$lang->task->addChildTask          = 'Because the task has already consumed consumption, to ensure data consistency, we will help you create a subtask with the same name to record the consumption.';
 
 $lang->task->error = new stdclass();
-$lang->task->error->totalNumber      = '"Total Cost" must be numbers.';
-$lang->task->error->consumedNumber   = '"Giờ làm" phải là số.';
-$lang->task->error->estimateNumber   = '"Dự tính" phải là số.';
-$lang->task->error->leftNumber       = '"Left" must be numbers.';
-$lang->task->error->recordMinus      = 'Giờ làm không nên là số âm';
-$lang->task->error->consumedSmall    = '"Tổng giờ làm" phải là > số cuối cùng.';
-$lang->task->error->consumedThisTime = 'Vui lòng nhập "Số giờ làm"';
-$lang->task->error->left             = 'Vui lòng nhập "Giờ còn lại"';
-$lang->task->error->work             = '"Nhận xét" phải là <  %d ký tự.';
-$lang->task->error->skipClose        = 'Nhiệm vụ: %s không là "Kết thúc” hoặc “Đã hủy”. Bạn có muốn đóng nó?';
-$lang->task->error->consumed         = 'Nhiệm vụ: %s giờ phải là < 0. Bỏ qua thay đổi cho nhiệm vụ này.';
-$lang->task->error->assignedTo       = 'Nhiệm vụ nhiều người dùng trong tình trạng hiện tại không thể giao cho một thành viên người không trong Nhóm nhiệm vụ.';
-$lang->task->error->consumedEmpty    = '"Giờ làm" không nên 0.';
-$lang->task->error->deadlineSmall    = '"Hạn chót" phải lớn hơn "Ngày bắt đầu".';
-$lang->task->error->alreadyStarted   = 'You cannot start this task, because it is started.';
+$lang->task->error->totalNumber       = '"Total Cost" must be numbers.';
+$lang->task->error->consumedNumber    = '"Giờ làm" phải là số.';
+$lang->task->error->estimateNumber    = '"Dự tính" phải là số.';
+$lang->task->error->leftNumber        = '"Left" must be numbers.';
+$lang->task->error->recordMinus       = 'Giờ làm không nên là số âm';
+$lang->task->error->consumedSmall     = '"Tổng giờ làm" phải là > số cuối cùng.';
+$lang->task->error->consumedThisTime  = 'Vui lòng nhập "Số giờ làm"';
+$lang->task->error->left              = 'Vui lòng nhập "Giờ còn lại"';
+$lang->task->error->work              = '"Nhận xét" phải là <  %d ký tự.';
+$lang->task->error->skipClose         = 'Nhiệm vụ: %s không là "Kết thúc” hoặc “Đã hủy”. Bạn có muốn đóng nó?';
+$lang->task->error->consumed          = 'Nhiệm vụ: %s giờ phải là < 0. Bỏ qua thay đổi cho nhiệm vụ này.';
+$lang->task->error->assignedTo        = 'Nhiệm vụ nhiều người dùng trong tình trạng hiện tại không thể giao cho một thành viên người không trong Nhóm nhiệm vụ.';
+$lang->task->error->consumedEmpty     = '"Giờ làm" không nên 0.';
+$lang->task->error->deadlineSmall     = '"Hạn chót" phải lớn hơn "Ngày bắt đầu".';
+$lang->task->error->alreadyStarted    = 'You cannot start this task, because it is started.';
+$lang->task->error->chooseOtherParent = 'the currently selected parent task has been consumed, please select another parent task.';
 
 /* Report. */
 $lang->task->report = new stdclass();
diff --git a/module/task/lang/zh-cn.php b/module/task/lang/zh-cn.php
index 4f80d67310..02ce63511e 100644
--- a/module/task/lang/zh-cn.php
+++ b/module/task/lang/zh-cn.php
@@ -197,23 +197,25 @@ $lang->task->deniedNotice          = '当前任务只有%s才可以%s。';
 $lang->task->noTask                = '暂时没有任务。';
 $lang->task->createDenied          = '你不能在该项目添加任务';
 $lang->task->cannotDeleteParent    = '不能删除父任务。';
+$lang->task->addChildTask          = '因该任务已经产生消耗，为保证数据一致性，我们会帮您创建一条同名子任务记录该消耗。';
 
-$lang->task->error                   = new stdclass();
-$lang->task->error->totalNumber      = '"总计消耗"必须为数字';
-$lang->task->error->consumedNumber   = '"本次消耗"必须为数字';
-$lang->task->error->estimateNumber   = '"最初预计"必须为数字';
-$lang->task->error->leftNumber       = '"预计剩余"必须为数字';
-$lang->task->error->recordMinus      = '工时不能为负数';
-$lang->task->error->consumedSmall    = '"总计消耗"必须大于之前消耗';
-$lang->task->error->consumedThisTime = '请填写"工时"';
-$lang->task->error->left             = '请填写"剩余"';
-$lang->task->error->work             = '"备注"必须小于%d个字符';
-$lang->task->error->skipClose        = '任务：%s 不是“已完成”或“已取消”状态，确定要关闭吗？';
-$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';
-$lang->task->error->deadlineSmall    = '"截止日期"必须大于"预计开始"';
-$lang->task->error->alreadyStarted   = '此任务已被启动，不能重复启动！';
+$lang->task->error                    = new stdclass();
+$lang->task->error->totalNumber       = '"总计消耗"必须为数字';
+$lang->task->error->consumedNumber    = '"本次消耗"必须为数字';
+$lang->task->error->estimateNumber    = '"最初预计"必须为数字';
+$lang->task->error->leftNumber        = '"预计剩余"必须为数字';
+$lang->task->error->recordMinus       = '工时不能为负数';
+$lang->task->error->consumedSmall     = '"总计消耗"必须大于之前消耗';
+$lang->task->error->consumedThisTime  = '请填写"工时"';
+$lang->task->error->left              = '请填写"剩余"';
+$lang->task->error->work              = '"备注"必须小于%d个字符';
+$lang->task->error->skipClose         = '任务：%s 不是“已完成”或“已取消”状态，确定要关闭吗？';
+$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';
+$lang->task->error->deadlineSmall     = '"截止日期"必须大于"预计开始"';
+$lang->task->error->alreadyStarted    = '此任务已被启动，不能重复启动！';
+$lang->task->error->chooseOtherParent = '当前选中的父任务已有消耗，请选择其他父任务。';
 
 /* Report. */
 $lang->task->report         = new stdclass();
diff --git a/module/task/model.php b/module/task/model.php
index 893bbe5810..ed138ee8fc 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -368,6 +368,16 @@ class taskModel extends model
         if($parentID > 0 && !empty($taskID))
         {
             $oldParentTask = $this->dao->select('*')->from(TABLE_TASK)->where('id')->eq((int)$parentID)->fetch();
+
+            /* When common task are child tasks and the common task has consumption, create a child task. */
+            if($oldParentTask->parent == 0 and $oldParentTask->consumed > 0)
+            {
+                $childTask = $oldParentTask;
+                unset($childTask->id);
+                $childTask->parent = $parentID;
+                $this->dao->insert(TABLE_TASK)->data($childTask)->autoCheck()->exec();
+            }
+
             $this->updateParentStatus($taskID);
             $this->computeBeginAndEnd($parentID);
 
@@ -730,6 +740,14 @@ class taskModel extends model
             return false;
         }
 
+        /* When the selected parent task is a common task and has consumption, select other parent tasks. */
+        if($this->post->parent > 0)
+        {
+            $taskConsumed = 0;
+            $taskConsumed = $this->dao->select('consumed')->from(TABLE_TASK)->where('id')->eq($this->post->parent)->andWhere('parent')->eq(0)->fetch('consumed');
+            if($taskConsumed > 0) die(js::error($this->lang->task->error->chooseOtherParent));
+        }
+
         $now  = helper::now();
         $task = fixer::input('post')
             ->setDefault('story, estimate, left, consumed', 0)
diff --git a/module/task/view/batchcreate.html.php b/module/task/view/batchcreate.html.php
index d00d30eecd..abe95f2926 100644
--- a/module/task/view/batchcreate.html.php
+++ b/module/task/view/batchcreate.html.php
@@ -12,6 +12,8 @@
 ?>
 <?php include '../../common/view/header.html.php';?>
 <?php include '../../common/view/datepicker.html.php';?>
+<?php js::set('taskConsumed', $taskConsumed);?>
+<?php js::set('addChildTask', $lang->task->addChildTask);?>
 <div id="mainContent" class="main-content fade">
   <div class="main-header clearfix">
     <h2 class="pull-left">