解决点开视频重新开始播放的问题

pages/courseDetail/courseDetail.vue

@@ -408,11 +408,14 @@
 					fileId: this.fileId,
 					packFileId: this.courseInfo.packFileId
 				}
+				this.$nextTick(()=>{
 					api.findVideoPlayback(param).then(res => {
 						if (res['success']) {
 							this.videoPlaybackInfo = res['data']
 						}
 					})
+				})
+			
 			},
 			loadedmetadata(e) {
 				this.totalTime = e.detail.duration;