diff --git a/src/renderer/src/AixPPTist/src/api/classcourse.ts b/src/renderer/src/AixPPTist/src/api/classcourse.ts
index da4a566..bad9c67 100644
--- a/src/renderer/src/AixPPTist/src/api/classcourse.ts
+++ b/src/renderer/src/AixPPTist/src/api/classcourse.ts
@@ -8,6 +8,7 @@ import * as useStore from '../store' // pptist-状态管理
 import ChatWs from '@/plugins/socket' // 聊天socket
 import msgUtils from '@/plugins/modal' // 消息工具
 
+const slidesStore = store.useSlidesStore() // 幻灯片-状态管理
 const screenStore = useStore.useScreenStore() // 全屏-状态管理
 const classcourseStore = useStore.useClasscourseStore() // 课堂信息-状态管理
 const classcourse = sessionStore.get('curr.classcourse') // 课堂信息
@@ -32,10 +33,13 @@ export class Classcourse {
       // 连接socket
       if (!ChatWs.ws) ChatWs.init()
       ChatWs.id = classcourse.timgroupid // 群组id
-      console.log('ws- ', classcourse)
       this.classcourse = classcourse // 课堂信息
       this.id = classcourse.id // 课堂id
-      classcourseStore.setClasscourse(classcourse) // 课堂信息-状态管理
+      // 如果课堂信息有paging，则更新当前页码
+      const isPaging = !!classcourse.paging||classcourse.paging==0
+      if (isPaging) slidesStore.updateSlideIndex(classcourse.paging)
+      // 课堂信息-状态管理
+      classcourseStore.setClasscourse(classcourse)
       // 待上课提示
       if (!classcourse.status) {
         this.msgObj = {
diff --git a/src/renderer/src/plugins/imChat/msgEnum.js b/src/renderer/src/plugins/imChat/msgEnum.js
index e921ff6..4b1d56b 100644
--- a/src/renderer/src/plugins/imChat/msgEnum.js
+++ b/src/renderer/src/plugins/imChat/msgEnum.js
@@ -142,4 +142,6 @@ export class MsgEnum {
     MSG_0034: 0x0022,
     MSG_0035: 0x0023,
   }
-}
\ No newline at end of file
+}
+
+export default MsgEnum;
\ No newline at end of file
diff --git a/src/renderer/src/views/classManage/reserv-item-apt.vue b/src/renderer/src/views/classManage/reserv-item-apt.vue
index 18caf2a..67fb1ec 100644
--- a/src/renderer/src/views/classManage/reserv-item-apt.vue
+++ b/src/renderer/src/views/classManage/reserv-item-apt.vue
@@ -14,8 +14,8 @@
         <el-button size="small" type="primary" :icon="ChatDotRound" @click="chatSend()">上课(APP)</el-button>
       </template>
       <template v-else-if="item.status === 'open'">
-        <!-- <el-button :disabled="toolStore.isToolWin" size="small" type="primary" @click="startClassR(item)"
-        >继续上课</el-button> -->
+        <el-button :disabled="toolStore.isToolWin" size="small" type="primary" @click="startClassR(item)"
+        >继续上课</el-button>
         <!--<el-button v-if="item.status === '未开始'" @click="openEdit">编辑</el-button>-->
         <el-button :loading="loading" size="small" type="info" @click="endClassR(item)"
         >下课{{ loading?'中...':'' }}</el-button>
diff --git a/src/renderer/src/views/prepare/container/class-start.vue b/src/renderer/src/views/prepare/container/class-start.vue
index 4d06d5c..c9c518b 100644
--- a/src/renderer/src/views/prepare/container/class-start.vue
+++ b/src/renderer/src/views/prepare/container/class-start.vue
@@ -146,6 +146,7 @@ const open = async (id, classObj) => {
     await getAptInfo(id)
     // 获取班级列表
     getClassList()
+    console.log('classObj', classObj)
     // 继续上课
     if (!!classObj) {
       dt.ctCourse = classObj
@@ -304,11 +305,11 @@ const classTeachingStart = async () => {
   const { classcourseid:id } = teacherForm.form
   if (id) { // 开始上课
     // 新版-pptList 打开公屏
-    if (myClassActive.value.filetype == 'aptist') {
+    if (myClassActive.value.filetype == 'aippt') {
       const msgEl = ElMessage.warning({message:'正在打开公屏，请稍后...',duration: 0})
       setTimeout(async () => {
         msgEl.close()
-        const res = await Http_Classcourse.getClasscourse(teacherForm.form.classcourseid)
+        const res = await Http_Classcourse.getClasscourse(id)
         openPublicScreen(res.data)
       }, 2000);
     }else {
@@ -316,6 +317,8 @@ const classTeachingStart = async () => {
       toLinkWeb(url)        // 跳转web-公屏
       visible.value = false // 关闭弹窗
     }
+  } else {
+    ElMessage.warning('请先创建课程')
   }
 }
 // 获取二维码地址
@@ -354,9 +357,11 @@ const getQrUrl = async() => {
 // 打开公屏
 const openPublicScreen = (classcourse) => {
   console.log('打开公屏', classcourse)
-  // 发送app端待开课消息
-  const data = { id: classcourse.id }
-  ChatWs.sendMsg(MsgEnum.HEADS.MSG_0000, data, {}, ChatWs.TYPES.single, userStore.id)
+  if (!dt.ctCourse) { // 新开课需要发送消息-继续上课不需要直接打开
+    // 发送app端待开课消息
+    const data = { id: classcourse.id }
+    ChatWs.sendMsg(MsgEnum.HEADS.MSG_0000, data, {}, ChatWs.TYPES.single, userStore.id)
+  }
   // 缓存当前资源信息
   const resource = toRaw(myClassActive.value)
   sessionStore.set('curr.resource', resource) // 缓存当前资源信息
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 3b6a4c1..0ec8498 100644
--- a/src/renderer/src/views/prepare/container/kj-list-item.vue
+++ b/src/renderer/src/views/prepare/container/kj-list-item.vue
@@ -196,7 +196,7 @@ export default {
       }
     },*/
     clickStartClass(item) {
-      const isApt = item.fileFlag === 'apt'
+      const isApt = ['apt','aippt'].includes(item.fileFlag)
       this.getOpenCourse(isApt).then(res => {
         console.log(res)
         if(!res){