diff --git a/module/task/control.php b/module/task/control.php
index bdef2e9af1..809657dc56 100644
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -728,6 +728,7 @@ class task extends control
         if(!empty($_POST))
         {
             $changes = $this->task->recordEstimate($taskID);
+            if(dao::isError()) die(js::error(dao::getError()));
 
             /* Remind whether to update status of the bug, if task which from that bug has been finished. */
             $task = $this->task->getById($taskID);
diff --git a/module/task/lang/zh-cn.php b/module/task/lang/zh-cn.php
index 8cd7b47a51..5c28c04036 100644
--- a/module/task/lang/zh-cn.php
+++ b/module/task/lang/zh-cn.php
@@ -198,6 +198,7 @@ $lang->task->createDenied          = '你不能在该项目添加任务';
 $lang->task->cannotDeleteParent    = '不能删除父任务。';
 
 $lang->task->error                   = new stdclass();
+$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   = '"预计剩余"必须为数字';
 $lang->task->error->recordMinus      = '工时不能为负数';
diff --git a/module/task/model.php b/module/task/model.php
index e194fb0026..0a655419fe 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -1205,7 +1205,25 @@ class taskModel extends model
      */
     public function recordEstimate($taskID)
     {
-        $record       = fixer::input('post')->get();
+        $record = fixer::input('post')->get();
+        foreach($record->consumed as $item)
+        {
+            if(!is_numeric($item))
+            {
+                dao::$errors[] = $this->lang->task->error->totalNumber;
+                return false;
+            }
+        }
+
+        foreach($record->left as $item)
+        {
+            if(!is_numeric($item))
+            {
+                dao::$errors[] = $this->lang->task->error->estimateNumber;
+                return false;
+            }
+        }
+
         $estimates    = array();
         $task         = $this->getById($taskID);
         $earliestTime = '';