diff --git a/public/react/src/context/TPIContextProvider.js b/public/react/src/context/TPIContextProvider.js
index 291626038..ab9447fee 100644
--- a/public/react/src/context/TPIContextProvider.js
+++ b/public/react/src/context/TPIContextProvider.js
@@ -133,11 +133,9 @@ class TPIContextProvider extends Component {
 		})
 	}
 
-	componentWillMount () {
-		// 拦截判断是否离开当前页面
-	  }
 
 	componentWillUnmount() {
+
 		this.costTimeInterval && window.clearInterval(this.costTimeInterval)
 	}
 	componentDidMount() {
@@ -195,6 +193,8 @@ class TPIContextProvider extends Component {
 		if (window.location.port == 3007) {
 			testPath = 'http://test-newweb.educoder.net'
 		}
+	
+
 		// var url = `${testPath}/api/v1/games/${ game.identifier }/cost_time`
 		var url = `${testPath}/api/tasks/${ game.identifier }/cost_time${getRandomNumber()}`
 	    window.$.ajax({
diff --git a/public/react/src/modules/courses/Video/Video.js b/public/react/src/modules/courses/Video/Video.js
index 856eb5a9c..7d40e099f 100644
--- a/public/react/src/modules/courses/Video/Video.js
+++ b/public/react/src/modules/courses/Video/Video.js
@@ -235,7 +235,8 @@ class Video extends Component {
           className="showVideoModal"
           width={800 - 1}
         >
-          {videoId && <VideoPanel src={this.state.videourl===null?videoId.file_url:Base64.decode(videoId.file_url)} videoId={videoId.videoId} courseId={CourseId} logWatchHistory={logWatchHistory} />}
+          {this.state.videourl===null?'':videoId &&<VideoPanel src={Base64.decode(videoId.file_url)} videoId={videoId.videoId} courseId={CourseId} logWatchHistory={logWatchHistory} />}
+          {/* {videoId && <VideoPanel src={Base64.decode(videoId.file_url)} videoId={videoId.videoId} courseId={CourseId} logWatchHistory={logWatchHistory} />} */}
 
           {this.props.isAdmin()===false?'':<div className="df copyLine" style={{}}>
             <Input value={_inputValue}