diff --git a/src/views/organization/classManage/studentManage/index.vue b/src/views/organization/classManage/studentManage/index.vue
index 2fafdd24e..337c2831d 100644
--- a/src/views/organization/classManage/studentManage/index.vue
+++ b/src/views/organization/classManage/studentManage/index.vue
@@ -11,7 +11,7 @@
       style="width:80%;margin: 0 auto;"
     />
     <create-student ref="createStudents" @refresh="refresh" />
-    <student-grade-Statis ref="studentGradeStatis"/>
+    <!-- <student-grade-Statis ref="studentGradeStatis"/> -->
   </div>
 </template>
 
@@ -74,14 +74,11 @@ export default {
                                     return this.$route.query.creatorId == this.$store.state.user.id;
                                 }
                             },
-                            {
-                                name: '成绩曲线',
-                                handleClick: this.gradeStatistic,
-                                type: 'success',
-                                // showControl: (row) => {
-                                //     return this.$route.query.creatorId == this.$store.state.user.id;
-                                // }
-                            }
+                            // {
+                            //     name: '成绩统计',
+                            //     handleClick: this.gradeStatistic,
+                            //     type: 'success',
+                            // }
                         ]
                     }
                 ],
@@ -210,9 +207,9 @@ export default {
             XLSX.utils.book_append_sheet(wb, ws, 'file');
             XLSX.writeFile(wb, '学生信息模板' + '.xlsx');
         },
-        gradeStatistic(index,row){
-            this.$refs.studentGradeStatis.doShow(row);
-        },
+        // gradeStatistic(index,row){
+        //     this.$refs.studentGradeStatis.doShow(row);
+        // },
         removeStudent(index, row) {
             const _that = this;
             this.$confirm(`是否确认将${row.name}移出班级？`, this.$t('tip.hint'), {
diff --git a/src/views/organization/studentStatistics/examStatistic.vue b/src/views/organization/studentStatistics/examStatistic.vue
index baa0dc607..db2b89d46 100644
--- a/src/views/organization/studentStatistics/examStatistic.vue
+++ b/src/views/organization/studentStatistics/examStatistic.vue
@@ -11,7 +11,9 @@ export default {
             myChart2:null,
             title:{
                 show:true,
-                text:'教学时长统计',
+                subtext:'',
+                subtextStyle:{color:'#358ff8',fontSize:14}, 
+                text:'学习时长统计',
                 textAlign:'center',
                 left:'50%',
                 top:'5px',
@@ -31,14 +33,32 @@ export default {
             this.myChart1 = echarts.init(chartDom1);
             let option1={
                 title: this.title,
-                tooltip: {trigger: 'item'},
-                legend: {orient: 'vertical',left: 'left',top:'45px',orient:'horizontal'},
+                tooltip: {
+                    trigger: 'item',
+                    formatter: function (params, ticket, callback) {
+                        let value=params.data.value;
+                        let hour=0;
+                        let minu=0;
+                        let seconds=0;
+                        hour=Math.floor(value/3600);
+                        minu=Math.floor((value%3600)/60);
+                        seconds=Math.floor((value%3600)%60);
+                        // hour=hour>9?hour:'0'+hour;
+                        // minu=minu>9?minu:'0'+minu;
+                        // seconds=seconds>9?seconds:'0'+seconds;
+                        let temp=hour+'时'+minu+"分"+seconds+'秒';
+                        return '<p>'+params.data.name+': '+temp+'</p>'
+                    }
+                },
+                color:['#358ff8','#91cb74','#f7c757','#ec6566','#73c0de','#4ca273','#ee8250','#9a60b4','#ea7ccc','#59eca9'],
+                legend: {orient: 'vertical',left: 'left',top:'65px'},
                 series: [
                     {
                         data:[],
                         label:{show:false},
                         radius: '60%',
-                        top:'20px',
+                        top:'60px',
+                        showEmptyCircle:true,
                         type: 'pie'
                     }
                 ]
@@ -50,10 +70,19 @@ export default {
                 let timeList=response.data;
                 if(timeList){
                     let realList=[];
+                    let allcount=0;
                     timeList.forEach(eachItem=>{
+                        allcount+=parseInt(eachItem.duration);
                         realList.push({value:eachItem.duration,name:eachItem.statsProjectName});
                     })
                     let option=this.myChart1.getOption();
+                    let hour=0;
+                    let minu=0;
+                    let seconds=0;
+                    hour=Math.floor(allcount/3600);
+                    minu=Math.floor((allcount%3600)/60);
+                    seconds=Math.floor((allcount%3600)%60);
+                    option.title[0].subtext="总时长: "+hour+'时'+minu+"分"+seconds+'秒';
                     option.series[0].data=realList;
                     option && this.myChart1 && this.myChart1.setOption(option);
                 }
diff --git a/src/views/organization/studentStatistics/gradeStatistic.vue b/src/views/organization/studentStatistics/gradeStatistic.vue
index 8270f39c2..bd3dbe8a2 100644
--- a/src/views/organization/studentStatistics/gradeStatistic.vue
+++ b/src/views/organization/studentStatistics/gradeStatistic.vue
@@ -90,6 +90,7 @@ export default {
                     {
                         name: '分数',
                         data:[],
+                        barMaxWidth:'50px',
                         type: 'bar'
                     },
                     // {
diff --git a/src/views/organization/studentStatistics/index.vue b/src/views/organization/studentStatistics/index.vue
index 0fe65471e..0457934ee 100644
--- a/src/views/organization/studentStatistics/index.vue
+++ b/src/views/organization/studentStatistics/index.vue
@@ -7,24 +7,24 @@
               <!-- id="mychart1"  -->
               <exam-statistics/>
           </div>
-          <div class="statisticChartCenter">
+          <!-- <div class="statisticChartCenter"> -->
               <!-- :creatorId="creatorId" :orgId="orgId"  -->
-              <grade-statistics :userId="userId"/>
-          </div>
+              <!-- <grade-statistics :userId="userId"/> -->
+          <!-- </div> -->
           <div id="mychart3" class="statisticChartRight" />
       </div>
   </div>
 </template>
 <script>
 import * as echarts from 'echarts';
-import GradeStatistics from './gradeStatistic.vue';
+// import GradeStatistics from './gradeStatistic.vue';
 import ExamStatistics from './examStatistic.vue';
 import { getSimulationTimeChart } from '@/api/management/userexam';
 import { getSubSystemByProjectCode } from '@/api/trainingPlatform';
 export default {
     name: 'StudentStatistics',
+    // GradeStatistics
     components: {
-        GradeStatistics,
         ExamStatistics
     },
     data() {
@@ -32,9 +32,11 @@ export default {
             myChart3:null,
             // creatorId:'',
             // orgId:'',
-            userId:'',
+            // userId:'',
             title:{
                 show:true,
+                subtext:'',
+                subtextStyle:{color:'#358ff8',fontSize:14}, 
                 text:'仿真时长统计',
                 textAlign:'center',
                 left:'50%',
@@ -48,7 +50,7 @@ export default {
     async mounted() {
         this.initChart()
         this.loadData();
-        this.userId=this.$store.state.user.id;
+        // this.userId=this.$store.state.user.id;
         // this.orgId=this.$store.state.user.companyId;
     },
     methods: {
@@ -57,15 +59,33 @@ export default {
             this.myChart3 = echarts.init(chartDom3);
             let option3={
                 title: this.title,
-                tooltip: {trigger: 'item'},
-                legend: {orient: 'vertical',left: 'left',top:'45px',orient:'horizontal'},
+                tooltip: {
+                    trigger: 'item',
+                    formatter: function (params, ticket, callback) {
+                        let value=params.data.value;
+                        let hour=0;
+                        let minu=0;
+                        let seconds=0;
+                        hour=Math.floor(value/3600);
+                        minu=Math.floor((value%3600)/60);
+                        seconds=Math.floor((value%3600)%60);
+                        // hour=hour>9?hour:'0'+hour;
+                        // minu=minu>9?minu:'0'+minu;
+                        // seconds=seconds>9?seconds:'0'+seconds;
+                        let temp=hour+'时'+minu+"分"+seconds+'秒';
+                        return '<p>'+params.data.name+': '+temp+'</p>'
+                    }
+                },
+                color:['#358ff8','#91cb74','#f7c757','#ec6566','#73c0de','#4ca273','#ee8250','#9a60b4','#ea7ccc','#59eca9'],
+                legend: {left: 'left',top:'65px',orient:'horizontal'},
                 // http://2i38984j47.qicp.vip/doc/UserExamController.html
                 series: [
                     {
                         data:[],
                         label:{show:false},
+                        showEmptyCircle:true,
                         radius: '60%',
-                        top:'20px',
+                        top:'60px',
                         type: 'pie'
                     }
                 ]
@@ -88,14 +108,23 @@ export default {
                         let timeList=res.data;
                         if(timeList){
                             let realList=[];
+                            let allcount=0;
                             timeList.forEach(eachItem=>{
                                 let realtName=dataMap[eachItem.statsProjectId];
                                 if(realtName){
+                                    allcount+=parseInt(eachItem.duration);
                                     realList.push({value:eachItem.duration,name:realtName});
                                 }
                             })
                             let option=this.myChart3.getOption();
                             option.series[0].data=realList;
+                            let hour=0;
+                            let minu=0;
+                            let seconds=0;
+                            hour=Math.floor(allcount/3600);
+                            minu=Math.floor((allcount%3600)/60);
+                            seconds=Math.floor((allcount%3600)%60);
+                            option.title[0].subtext="总时长: "+hour+'时'+minu+"分"+seconds+'秒';
                             option && this.myChart3 && this.myChart3.setOption(option);
                         }
                     }).catch(error=>{
@@ -126,18 +155,20 @@ export default {
       margin-left:5%;
   }
   .statisticChartLeft{
-      width: 30%;
+      /* width: 30%; */
+      width: 50%;
       display: inline-block;
       height: 500px;
       /* border:1px #ccc solid */
   }
-  .statisticChartCenter{
+  /* .statisticChartCenter{
       width: 40%;
       display: inline-block;
       height: 500px;
-  }
+  } */
   .statisticChartRight{
-      width: 30%;
+      /* width: 30%; */
+      width: 50%;
       display: inline-block;
       height: 500px;
       /* border:1px #ccc solid */