diff --git a/src/renderer/src/views/prepare/container/kj-list-item.vue b/src/renderer/src/views/prepare/container/kj-list-item.vue
index 178486b..57bbc7d 100644
--- a/src/renderer/src/views/prepare/container/kj-list-item.vue
+++ b/src/renderer/src/views/prepare/container/kj-list-item.vue
@@ -106,6 +106,7 @@ import { listClasscourseNew } from '@/api/teaching/classcourse'
 import { endClass, getSelfReserv } from '@/api/classManage'
 import { listEntpcourse } from '@/api/teaching/classwork'
 import { createWindow } from '@/utils/tool'
+import { defineExpose } from 'vue'
 
 const { ipcRenderer } = window.electron || {}
 export default {
@@ -135,6 +136,7 @@ export default {
       default: ''
     }
   },
+  expose: ['openFileWin'],
   emits: { 'on-start-class': null, 'on-delete': null, 'on-set': null, 'on-delhomework': null,'on-filearg': null },
   data() {
     return {
diff --git a/src/renderer/src/views/prepare/index.vue b/src/renderer/src/views/prepare/index.vue
index 99a7826..54c1812 100644
--- a/src/renderer/src/views/prepare/index.vue
+++ b/src/renderer/src/views/prepare/index.vue
@@ -18,6 +18,7 @@
             <kj-list-item
               v-for="(item, index) in currentKJFileList"
               :key="index"
+              :ref="'kjItemRef'+item.id"
               :item="item"
               :index="index"
               :curNode="currentNode"
@@ -303,29 +304,29 @@ export default {
   // },
   methods: {
     startClass(item) {
-      // console.log(item, sessionStore)
       // 关闭状态，打开上课相关功能(已打开，忽略)
       const id = sessionStore.has('activeClass.id') ? sessionStore.get('activeClass.id') : null
       if (id && id == item.id) return ElMessage.warning('当前正在上课，请勿重复操作')
+      // 当前上课-store
+      sessionStore.set('activeClass', item)
+      this.activeClass = item
       if(item.fileFlag === '课件') {
         this.openReserv()
       }
       if(item.fileFlag === 'apt') {
         this.$refs.calssRef.open(item.fileId)
       }
-      // 当前上课-store
-      sessionStore.set('activeClass', item)
-      this.activeClass = item
     },
     closeChange() { // 上课弹窗被关闭-触发
       console.log('关闭上课弹窗')
-      this.activeClass = null
+      // this.activeClass = null
       sessionStore.delete('activeClass')
     },
     initReserv(id) {
       getClassInfo(id).then((res) => {
         this.curClassReserv = res.data
         this.openLesson(res.data.id);
+        this.$refs['kjItemRef'+this.activeClass.id][0].openFileWin(this.activeClass);
       })
     },
     getBookPathFromServer() {