Merge branch 'feature/wufan/20210701/course-B-reform' into dev

src/modules/course-manage/video-course/components/LearningDetailModal.jsx

@@ -57,7 +57,7 @@ class LearningDetailModal extends React.Component {
                   <div className="course-wrap">
                     <div className="course-ware" key={index}>
                       <div className="course-ware__index">{`${
-                        index > 9 ? index + 1 : `0${index + 1}`
+                        index < 9 ? `0${index + 1}` : index + 1
                       } `}</div>
                      <img className='course-ware__img' src={FileTypeIcon[item.mediaType]} alt='' />
                     <div className="course-ware__name">{item.courseChapterName && item.courseChapterName.replace('.MP4','')}</div>