diff --git a/pages/study/courseStudy.vue b/pages/study/courseStudy.vue
index 07765e2..3eb7039 100644
--- a/pages/study/courseStudy.vue
+++ b/pages/study/courseStudy.vue
@@ -411,8 +411,6 @@
 				toScore:toScore,
 				formatUserNumber:formatUserNumber,
 				getConType:getContentType,
-				
-				isPlaying:false,
 				onplay:false,
 				touchNum : 0,
 				playerBoxShow:false,
@@ -430,7 +428,6 @@
 				sectionList:[],
 				contentList:[],
 				videoScore:3,
-				videoPlayer:null,
 				videoPlayingTime:0,
 				speedListShow:false,
 				speedList:["2.0", "1.5", "1.25", "1.0", "0.75", "0.5"],
@@ -518,12 +515,15 @@
 			//实时渲染当前的播放状态
 		},
 		onReady() {
-			this.videoPlayer=uni.createVideoContext("myVideo", this);
+			
 		},
 		onHide(){
 			//清除定时任务
 			this.clearTimeHandle();
 		},
+		destroyed() {
+			this.clearTimeHandle();
+		},
 		methods:{
 			...mapActions({
 			    // getResOwnerTree:'resOwner/getResOwnerTree',
@@ -783,10 +783,6 @@
 				this.articleMore=true;
 				this.clearTimeHandle();
 				// console.log(con,'con');
-				if(this.videoPlayer){
-					//console.log('切换视频');
-					this.videoPlayer.stop();
-				}
 				this.playerBoxShow=false;
 				if(con.contentType==40){
 					//如果是文档，需要再次加载pdf
@@ -1255,22 +1251,6 @@
 			      $this.appendStudyOtherTime();
 			    }, 1000*60);
 			
-			},
-			doubleClickVideo(e){
-				// this.onPlayerPause()
-				this.touchNum ++
-				setTimeout(()=>{
-					if(this.touchNum == 1){
-						// console.log('单击')
-					}else  if(this.touchNum >= 2){
-						if(this.isPlaying){
-							this.onPlayerPause()
-						} else {
-							this.onPlayerPlay()
-						}
-					}
-					this.touchNum = 0
-				},250)
 			},
 			 //先保存学习的内容,针对于音视频的内容
 			saveStudyItem(){
@@ -1323,32 +1303,8 @@
 				//console.log(e,'e');
 				
 			},
-			onPlayerPlay(){
-				this.isPlaying = true;
-				this.videoPlayingTime=0;
-				// console.log("开始播放");
-				this.playerBoxShow=false;
-				this.isAppendTime=true;//可以追加学习时长
-				this.videoSpeed=studyUtil.getVideoSpeed();
-				this.videoPlayer.playbackRate(this.videoSpeed);
-				this.videoPlayer.play();
-				this.appendStudyTime();//开始追加学习时长
-				let $this=this;
-				if(this.curContent.status<9){
-					let completeType=this.curriculumData.completeSetup;
-					//console.log(completeType,'completeType');
-					if(completeType==0){
-					  //默认5秒后学习完成.
-					  //$this.handleTimeout= setTimeout(function() {$this.saveStudyInfo();}, 5000); //5秒后记录学习完成
-					}else{
-					  //先记录进行中的学习内容
-					  this.saveStudyItem();
-					}
-				}
-			},
+			
 			onPlayerPause(){
-				this.isPlaying = false;
-				this.videoPlayer.pause();
 				this.stopStudyTime();
 			},
 			onPlayerEnded(){
@@ -1358,35 +1314,6 @@
 					this.finishStudyItem();
 				}
 			},
-			changeSpeed(e) {
-			  // 获取选择的倍速
-			  let value = e;
-			  this.videoSpeed = Number(value);
-			  this.videoPlayer.playbackRate(this.videoSpeed);
-			  studyUtil.setVideoSpeed(this.videoSpeed);
-			  this.speedListShow=false;
-			},
-			showSpeedCtrl(){
-				if(this.speedListShow){
-					this.speedListShow=false;
-				}else{
-					this.speedListShow=true;
-				}
-			},
-			formatSeconds(a) {
-				var hh = parseInt(a/3600);  
-				var mm = parseInt((a-hh*3600)/60);  
-				if(mm<10) mm = "0" + mm;  
-				var ss = parseInt((a-hh*3600)%60);  
-				if(ss<10) ss = "0" + ss;  
-				if(hh<10) hh = hh == 0?'':`0${hh}:`;  
-				var length = hh  + mm + ":" + ss;  
-				if(a>=0){  
-					return length;  
-				}else{  
-					return "00:00";  
-				}  
-			},
 			onPlayerPlaying(e){
 				//console.log("当前播放11",itme);
 				//console.log("当前播放11"+itme);