diff --git a/public/react/src/AppConfig.js b/public/react/src/AppConfig.js
index 02d554806..12e0043d5 100644
--- a/public/react/src/AppConfig.js
+++ b/public/react/src/AppConfig.js
@@ -42,7 +42,7 @@ if (isDev) {
 // 老师
 //debugType="teacher";
 // 学生
-debugType="student";
+//debugType="student";
 
 
  function railsgettimes(proxy) {
diff --git a/public/react/src/context/TPIContextProvider.js b/public/react/src/context/TPIContextProvider.js
index ed7eb2210..bb1e0bef4 100644
--- a/public/react/src/context/TPIContextProvider.js
+++ b/public/react/src/context/TPIContextProvider.js
@@ -32,7 +32,7 @@ import _ from 'lodash'
 
 import TPIContext from './TPIContext'
 import { EDU_ADMIN, EDU_SHIXUN_MANAGER, EDU_SHIXUN_MEMBER, EDU_CERTIFICATION_TEACHER
-    , EDU_GAME_MANAGER, EDU_TEACHER, EDU_NORMAL, EDU_BUSINESS, CNotificationHOC } from 'educoder'
+    , EDU_GAME_MANAGER, EDU_TEACHER, EDU_NORMAL, EDU_BUSINESS, CNotificationHOC ,getRandomNumber} from 'educoder'
 import { MuiThemeProvider, createMuiTheme, withStyles } from 'material-ui/styles';
 import MUIDialogStyleUtil from '../modules/page/component/MUIDialogStyleUtil'
 
@@ -176,7 +176,7 @@ class TPIContextProvider extends Component {
 			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`
+		var url = `${testPath}/api/tasks/${ game.identifier }/cost_time${getRandomNumber()}`
 	    window.$.ajax({
 	        type: 'get',
 	        url: url,
diff --git a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
index c37b45c84..ba8fe27b0 100644
--- a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
+++ b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
@@ -549,6 +549,10 @@ class Coursesleftnav extends Component{
 							window.location.href=`/courses/${coursesId}/boards/${result.data.category_id}`;
 						}
 
+            if(positiontype!="course_groups"){
+              this.updasaveNavmoda()
+            }
+
 						if(positiontype==="course_groups"){
 							window.location.href=`/courses/${coursesId}/course_groups/${result.data.group_id}`;
 						}
diff --git a/public/react/src/modules/page/layers/TaskResultLayer.js b/public/react/src/modules/page/layers/TaskResultLayer.js
index 9e096b7b3..f4ccea8f7 100644
--- a/public/react/src/modules/page/layers/TaskResultLayer.js
+++ b/public/react/src/modules/page/layers/TaskResultLayer.js
@@ -14,6 +14,7 @@ import passpartImg from '../../../images/tpi/passpart.png'
 import empiricgreenImg from '../../../images/tpi/empiricgreen.png'
 
 import { trigger } from 'educoder';
+import SecondTab from "../../paths/SchoolStatistics/SecondTab";
 
 
 class TaskResultLayer extends Component {
@@ -29,7 +30,7 @@ class TaskResultLayer extends Component {
     }
 
     componentWillReceiveProps(newProps, newContext) {
-      if (newProps.currentGamePassed && (!this.props.currentGamePassed 
+      if (newProps.currentGamePassed && (!this.props.currentGamePassed
           || (newProps.currentGamePassed !== this.props.currentGamePassed ))) {
         // this.fakeRanking = this._fakeRanking()
         const $ = window.$;
@@ -51,10 +52,10 @@ class TaskResultLayer extends Component {
         }
       }
     }
-    
+
     onStarChange(challenge, index, value) {
       this.props.onStarChange(challenge, index, value);
-      
+
       this.setState({
         stared: value ? true : false,
       })
@@ -87,11 +88,11 @@ class TaskResultLayer extends Component {
       // this.context.router.push('/sample');
       if (goNext === true) {
         if (next_game) {  // https://www.trustie.net/issues/18573
-          this.goNext =  true;          
+          this.goNext =  true;
         }
         // 隐藏掉效果查看页面
         window.$('#picture_display').hide()
-      } 
+      }
       this.props.onGamePassed();
       this.setState({
         stared: false
@@ -110,9 +111,9 @@ class TaskResultLayer extends Component {
     //     return;
     //   }
     //   const { showLanguagePictrue } = this.props.challenge;
-    //   if ( prevProps.challenge.showLanguagePictrue != showLanguagePictrue && 
+    //   if ( prevProps.challenge.showLanguagePictrue != showLanguagePictrue &&
     //     showLanguagePictrue == true ) {
-       
+
     //   }
     // }
     initEffectDisplayServerTimer = () => {
@@ -128,7 +129,7 @@ class TaskResultLayer extends Component {
           this.setState({ timeRemain })
         }, 1000)
       })
-      
+
     }
     componentWillUnmount() {
       this.intervalHandler && clearInterval(this.intervalHandler);
@@ -162,7 +163,7 @@ class TaskResultLayer extends Component {
       // const fakeRanking = this.fakeRanking;
 	    return (
 	    	<div>
-		    	{currentGamePassed ? 
+		    	{currentGamePassed ?
 		    	<div className="taskResultLayer">
 		    		<div className="pr passTaskContent" style={{display:'none'}} >
                   <i className="far fa-times-circle closeIcon" onClick={closeTaskResultLayer} title="关闭"></i>
@@ -174,52 +175,60 @@ class TaskResultLayer extends Component {
                     <p className="inline inlines exp">
                       <img src={empiricgreenImg} className="mr8 mt5 fl"/>
                       {currentPassedGameGainExperience >= 0 ? `+${currentPassedGameGainExperience}` : '+0'}
-                    </p>  
+                    </p>
                   </div>
                   <div className="winPanel">
-                      
+                      <style>
+                        {
+                          `
+                          .page--body{
+                              z-index: 0 !important;
+                          }
+                          `
+                        }
+                      </style>
                       <div className="cl"></div>
-                      { !game.star ? 
+                      { !game.star ?
                         <React.Fragment>
                         <p className="rateLabel ">您的评价决定老师的江湖地位~</p>
                         <Rate
                             defaultValue={0}
                             allowClear={false}
                             onChange={(value) => this.onStarChange(this.props.game, this.props.challenge.position, value)}
-                          /> 
+                          />
                         </React.Fragment>
                       : ''}
-                      <p> 
+                      <p>
                           {/*<a href="javascript:void(0)" className="passNext">下一关</a>*/}
                           <a href="javascript:void(0)" className={`passed ${ stared || game.star ? 'stared' : '' }`}
                             {...titleObj} onClick={()=>this.onFinish(true)}>{ next_game ? '下一关' : '完成'}</a>
 
-                          { challenge.showLanguagePictrue && 
+                          { challenge.showLanguagePictrue &&
 
                             <a href="javascript:void(0)" className={`passed ${ stared || game.star ? 'stared' : '' }`}
                             {...titleObj} onClick={()=>this.onFinish()}>
                               { `查看效果` }
                               {/* ${ moment(this.state.timeRemain * 1000).format('mm:ss') } */}
                             </a>
-                                
+
                           }
-                          {/* 
-                          
-                          (this.state.timeRemain ? 
+                          {/*
+
+                          (this.state.timeRemain ?
                               <Tooltip title={"注意：效果查看服务只会保留5分钟"} disableFocusListener={true}>
-                            
-                              </Tooltip> 
+
+                              </Tooltip>
                             :
                               <Tooltip title={"效果查看服务已被终止运行，需要重新评测后才能查看"} disableFocusListener={true}>
                                 <a href="javascript:void(0)" className={`passed ${ stared || game.star ? 'stared' : '' }`}
                                 {...titleObj} onClick={()=>{}} style={{ backgroundColor: 'gray'}}>
                                   { `查看效果` }
                                 </a>
-                              </Tooltip> 
+                              </Tooltip>
                             )
 
                            */}
-                          {/* 
+                          {/*
                             注意：效果查看服务只会保留5分钟
                             效果查看服务已被终止运行，需要重新评测后才能查看
                            */}