fix

src/views/coursewarePlay/index.tsx

@@ -183,9 +183,8 @@ export default defineComponent({
         item = list.find((n: any) => n.id == route.query.kId)
         const _firstIndex = list.findIndex((n: any) => n.id == route.query.kId)
         popupData.firstIndex = _firstIndex > -1 ? _firstIndex : 0
-      } else {
-        item = list[0] || {}
       }
+      item = item ? item : (list[0] || {})
       if (item) {
         popupData.tabName = item.tabName
         popupData.tabActive = item.knowledgePointId