fix:知识点得分率计算；

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

@@ -79,12 +79,9 @@ watch(() => useOverview.tableList,() => {
     return acc + Number(cur.score)
   },0)
   // 平均分
-  const studentList = useOverview.tableList.filter(item => useOverview.allData[0].hasAnswers.includes(item.studentid))
-  avatarScore.value = studentList.reduce((acc, cur) => {
+  avatarScore.value = hasStudents.value.reduce((acc, cur) => {
     return acc + Number(cur.getScore)
-  },0) / studentList.length
-  console.log(avatarScore.value,'useOverview.tableList');
-  
+  },0) / hasStudents.value.length
   
   // 计算得分率
   getKonwledge()