diff --git a/module/programplan/lang/zh-cn.php b/module/programplan/lang/zh-cn.php
index 4d456fd181..627a2e5d4b 100644
--- a/module/programplan/lang/zh-cn.php
+++ b/module/programplan/lang/zh-cn.php
@@ -53,8 +53,10 @@ $lang->programplan->hideCriticalPath = '隐藏关键路径';
 $lang->programplan->showCriticalPath = '显示关键路径';
 $lang->programplan->errorBegin       = '阶段的开始时间不能小于所属项目的开始时间%s';
 $lang->programplan->errorEnd         = '阶段的结束时间不能大于所属项目的结束时间%s';
-$lang->programplan->emptyBegin       = '『计划开始』应当为合法的日期';
-$lang->programplan->emptyEnd         = '『计划完成』应当为合法的日期';
+$lang->programplan->emptyBegin       = '『计划开始』日期不能为空';
+$lang->programplan->emptyEnd         = '『计划完成』日期不能为空';
+$lang->programplan->checkBegin       = '『计划开始』应当为合法的日期';
+$lang->programplan->checkEnd         = '『计划完成』应当为合法的日期';
 
 $lang->programplan->milestoneList[1] = '是';
 $lang->programplan->milestoneList[0] = '否';
diff --git a/module/programplan/model.php b/module/programplan/model.php
index 1b767fadfb..15beca9b72 100644
--- a/module/programplan/model.php
+++ b/module/programplan/model.php
@@ -447,16 +447,26 @@ class programplanModel extends model
                 dao::$errors['message'][] = $this->lang->programplan->error->percentNumber;
                 return false;
             }
-            if($plan->begin == '0000-00-00' or !validater::checkDate($plan->begin))
+            if($plan->begin == '0000-00-00')
             {
                 dao::$errors['message'][] = $this->lang->programplan->emptyBegin;
                 return false;
             }
-            if($plan->end == '0000-00-00' or !validater::checkDate($plan->end))
+            if(!validater::checkDate($plan->begin))
+            {
+                dao::$errors['message'][] = $this->lang->programplan->checkBegin;
+                return false;
+            }
+            if($plan->end == '0000-00-00')
             {
                 dao::$errors['message'][] = $this->lang->programplan->emptyEnd;
                 return false;
             }
+            if(!validater::checkDate($plan->end))
+            {
+                dao::$errors['message'][] = $this->lang->programplan->checkEnd;
+                return false;
+            }
             if($plan->end != '0000-00-00' and $plan->end < $plan->begin)
             {
                 dao::$errors['message'][] = $this->lang->programplan->error->planFinishSmall;