fix：推送分值丢失问题；

Reviewed-on: #419

src/renderer/src/views/classTask/container/classOverview/timeAnalyse.vue

@@ -151,8 +151,12 @@ const getXValue = () => {
 };
 
 watch(() => useOverview.tableList, () => {
-  expectedDuration.value = useOverview.tableList.map(item => (Number(item.timelength) * 60 / useOverview.allData.length).toFixed(2));
+  const time = useOverview.tableList.map(item => Number(item.timelength))
+  const avatarTime = time.reduce((acc, cur) => {
+    return acc + cur
+  },0) / time.length
   
+  expectedDuration.value = useOverview.allData.map(() => (Number(avatarTime) * 60 / useOverview.allData.length).toFixed(2));
   // 获取横纵坐标
   nextTick(() => {
     initChart();

src/renderer/src/views/classTask/teachClassTask.vue

@@ -680,7 +680,7 @@ const handleClassOverviewOpen = (type) =>{
           const allTeacherRating = allTopic.reduce((acc, cur) => acc + cur.teacherRating, 0)
           
           rightAnswer > 0?item.scoingRate = (score/allTeacherRating * 100).toFixed(0):item.scoingRate = ''
-          item.getScore = score
+          item.getScore = allTeacherRating
         }else{
           item.scoingRate = ''
           item.getScore = 0