diff --git a/src/views/study/coursenew.vue b/src/views/study/coursenew.vue
index 568d0543..66c11dca 100644
--- a/src/views/study/coursenew.vue
+++ b/src/views/study/coursenew.vue
@@ -780,7 +780,7 @@
 
 
         this.$nextTick(function(){
-            if(this.contentData.progressVideo){
+            if (r.contentType == 10) {
               this.$refs.myVideoPlayer.updateProgressByClickBar2(this.contentData.lastStudyTime,this.contentData.progressVideo);
             }
 
@@ -1397,6 +1397,7 @@
         //对已学习的内容进行比对，重要的字段， 学习内容id，在后缀的
         let playIndex = -1;
         this.contentList.forEach((con, conIdx) => {
+          con.progressVideo = con.progressVideo || 0;
           result.contentStudys.forEach((scon, sconIdx) => {
             if (scon.contentId == con.id) {
               //定位显示的内容
@@ -1409,7 +1410,7 @@
                 }
               }
               con.lastStudyTime = scon.lastStudyTime;
-              con.progressVideo = scon.progressVideo;
+              con.progressVideo = scon.progressVideo || 0;
               //以下判断是为了兼容之前的问题，学习状态
               if (scon.status) {
                 con.status = scon.status;