diff --git a/src/renderer/src/views/classTask/container/classOverview/knowledge.vue b/src/renderer/src/views/classTask/container/classOverview/knowledge.vue
index 9f03d0d..c221cba 100644
--- a/src/renderer/src/views/classTask/container/classOverview/knowledge.vue
+++ b/src/renderer/src/views/classTask/container/classOverview/knowledge.vue
@@ -49,6 +49,7 @@ const getKonwledge = () => {
   konwledge.value.forEach(item => {
     let sunRate = 0
     let num = 0
+    if(getScoreRate.length === 0) return
     getScoreRate.forEach(item2 => {
       if(item.id === item2.id){
         sunRate += extractedNumber(item2.rate)