fix: 类型错误

src/views/courseware-play/index.tsx

@@ -954,7 +954,7 @@ export default defineComponent({
       if (item.coursewareNum || checkType) {
         try {
           if (checkType) {
-            temporaryData.zjId = activeData.coursewareDetailKnowledgeId
+            temporaryData.zjId = activeData.coursewareDetailKnowledgeId ? String(activeData.coursewareDetailKnowledgeId) : ''
           }
           const res =
             route.query.tab == 'all'