merge...

learnOnline/pages/learnSystem/courseContent/courseContent.js

@@ -130,8 +130,8 @@ Page({
           }
           for (let k = 0; k < children.length; k++) {
             const item = children[k]
-            item.vid && this.setData({ latestVideo: item })
             if (!json.tabs1ChapterList.currentChapterId || item.vid === json.tabs1ChapterList.currentChapterId) {
+              this.setData({ latestVideo: item })
               break
             }
           }