fix:视频详情页课节序号调整

src/modules/course-manage/video-course/VideoCourseDetail.tsx

 /*
  * @Author: wufan
  * @Date: 2020-04-28 18:05:30
- * @LastEditors: wufan
- * @LastEditTime: 2021-07-05 10:36:15
+ * @LastEditors: yuananting
+ * @LastEditTime: 2021-07-09 16:21:13
  * @Description: 线上课课程课节详情
  */
 
@@ -117,7 +117,7 @@ function VideoCourseDetail(){
                             {
                                 underscore.map(courseChapterList,(item: any,index: number) => {
                                 return <div className='course-ware' onClick={()=>{handleScanFileModal("MP4",item)}} key={index}>
-                                        <div className="course-ware__index">{`${index > 9 ? index + 1 : `0${index + 1 }`} `}</div>
+                                        <div className="course-ware__index">{index < 9 ? `0${index + 1 } ` : index + 1}</div>
                                         <img className='course-ware__img' src='https://image.xiaomaiketang.com/xm/TKwbQGYDBR.png' alt='' />
                                         <div className='course-ware__name'>{item.name}</div>
                                 </div>