diff --git a/public/react/src/modules/courses/shixunHomework/ShixunWorkReport.js b/public/react/src/modules/courses/shixunHomework/ShixunWorkReport.js
index 0a0688d33..0d3a5fce6 100644
--- a/public/react/src/modules/courses/shixunHomework/ShixunWorkReport.js
+++ b/public/react/src/modules/courses/shixunHomework/ShixunWorkReport.js
@@ -393,7 +393,7 @@ class ShixunWorkReport extends Component {
 												 </span>
 
 												 <span className={"passbox"}>
-												   	<div><span className={"color999"}>通关时间：</span>  <span className={data&&data.passed_time===null?"color999":"color333"}>{data&&data.passed_time===null?'--':moment(data&&data.passed_time).format('YYYY-MM-DD HH:mm')}</span></div>
+												   	<div><span className={"color999"}>通关时间：</span>  <span className={data&&data.passed_time===null?"color999":"color333"}>{data&&data.passed_time===null||data&&data.passed_time=== "--"?'--':moment(data&&data.passed_time).format('YYYY-MM-DD HH:mm')}</span></div>
 												    <div><span className={"color999"}>实战耗时：</span> <span className={data&&data.efficiency===null?"color999":"color333"}>{data&&data.time_consuming===null?'--':data&&data.time_consuming}</span></div>
 												 </span>
 									   	 </p>