diff --git a/public/react/src/modules/courses/busyWork/CommonWorkSetting.js b/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
index 17a944d41..8baee4b45 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
@@ -722,7 +722,7 @@ class CommonWorkSetting extends Component{
       late_time: late_time ? new Date(late_time) : late_time,         // 补交截止时间
       anonymous_comment: anonymous_comment,   // true: 启用匿评 false:未启用匿评
       evaluation_start: evaluation_start ? new Date(evaluation_start) : evaluation_start, //匿评开始时间
-      evaluation_end: evaluation_end,
+      evaluation_end: evaluation_end ? new Date(evaluation_end) : evaluation_end, 
       evaluation_num: evaluation_num,     //	匿评数
       absence_penalty: absence_penalty,   // 匿评扣分
       anonymous_appeal: anonymous_appeal, // true: 启用匿评申诉, false:未启用