diff --git a/module/productplan/lang/en.php b/module/productplan/lang/en.php
index cefdb0e880..d0df597b90 100644
--- a/module/productplan/lang/en.php
+++ b/module/productplan/lang/en.php
@@ -43,6 +43,7 @@ $lang->productplan->desc    = 'Desc';
 $lang->productplan->begin   = 'Begin';
 $lang->productplan->end     = 'End';
 
+$lang->productplan->endList[7]   = 'One Weeks';
 $lang->productplan->endList[14]  = 'Two Weeks';
 $lang->productplan->endList[31]  = 'One Month';
 $lang->productplan->endList[62]  = 'Two Months';
diff --git a/module/productplan/lang/zh-cn.php b/module/productplan/lang/zh-cn.php
index a7ba98e84b..deeb14dfcb 100644
--- a/module/productplan/lang/zh-cn.php
+++ b/module/productplan/lang/zh-cn.php
@@ -43,6 +43,7 @@ $lang->productplan->desc    = '描述';
 $lang->productplan->begin   = '开始日期';
 $lang->productplan->end     = '结束日期';
 
+$lang->productplan->endList[7]   = '一星期';
 $lang->productplan->endList[14]  = '两星期';
 $lang->productplan->endList[31]  = '一个月';
 $lang->productplan->endList[62]  = '两个月';