diff --git a/src/renderer/src/layout/components/Header.vue b/src/renderer/src/layout/components/Header.vue
index 2d813af..26ff23e 100644
--- a/src/renderer/src/layout/components/Header.vue
+++ b/src/renderer/src/layout/components/Header.vue
@@ -80,6 +80,8 @@ import { updateUserInfo } from '@/api/system/user'
 import logoIco from '@/assets/images/logo.png'
 import { listEvaluation } from '@/api/classManage/index'
 import { sessionStore } from '@/utils/store'
+import Chat from '@/utils/chat' // im 登录初始化
+if (!Chat.imChat) Chat.init()
 
 let homeTitle = ref(import.meta.env.VITE_APP_TITLE)
 const { ipcRenderer } = window.electron || {}
@@ -143,6 +145,7 @@ function handleCommand(command) {
       break
     case 'logout':
       logout()
+      Chat?.logout() // im 退出登录
       break
     default:
       break
diff --git a/src/renderer/src/layout/index.vue b/src/renderer/src/layout/index.vue
index 09b8df4..c09647d 100644
--- a/src/renderer/src/layout/index.vue
+++ b/src/renderer/src/layout/index.vue
@@ -19,8 +19,11 @@ import AppMain from './components/AppMain.vue'
 import Uploader from './components/Uploader.vue'
 import AiChart from '@/components/ai-chart/index.vue'
 import uploaderState from '@/store/modules/uploader'
+// import Chat from '@/utils/chat'
 
 let uploaderStore = ref(uploaderState())
+// window.test = Chat
+// Chat.init()
 
 </script>
 
diff --git a/src/renderer/src/plugins/imChat/index.js b/src/renderer/src/plugins/imChat/index.js
index 6cf8934..83f007f 100644
--- a/src/renderer/src/plugins/imChat/index.js
+++ b/src/renderer/src/plugins/imChat/index.js
@@ -70,7 +70,10 @@ export class ImChat {
     // 日志监听
     this.timChat.TIMSetLogCallback({
       callback: data => {
-        this.setConsole('%cchat-log ', data[1])
+        const [type, log] = data
+        if (type == log_level) { // 打印对应日志
+          this.setConsole('%cchat-log ', log)
+        }
       },
       user_data: ''
     })
@@ -86,7 +89,7 @@ export class ImChat {
         if (code == 0) { // 初始化成功
           this.setConsole('%cim-chat: init', '初始化成功')
           this.status.isConnect = true
-          this.setConfig() // 设置日志级别
+          // this.setConfig() // 设置日志级别
           resolve(this)
         } else { // 失败：具体请看code
           console.error('[im-chat]：初始化失败', code)
@@ -227,10 +230,11 @@ export class ImChat {
     })
   }
   // 删除群组
-  deleteGroup() {
-    if (!this.timGroupId) return
+  deleteGroup(timGroupId) {
+    const groupId = timGroupId || this.timGroupId
+    if (!groupId) return
     return this.timChat.TIMGroupDelete({
-      groupId: this.timGroupId,
+      groupId,
       data: '', // 用户自定义数据
     })
   }
@@ -249,7 +253,7 @@ export class ImChat {
   }
   // 获取群组列表
   getGroupList() {
-    return this.timChat.getGroupList().then(res => {
+    return this.timChat.TIMGroupGetJoinedGroupList().then(res => {
       console.log('获取群组列表', res)
       return res
     }).catch(error => {
diff --git a/src/renderer/src/utils/chat.js b/src/renderer/src/utils/chat.js
new file mode 100644
index 0000000..44d962f
--- /dev/null
+++ b/src/renderer/src/utils/chat.js
@@ -0,0 +1,98 @@
+/**
+* 实现单例模式
+*/
+import useUserStore from '@/store/modules/user'
+import { ImChat } from '@/plugins/imChat'
+import * as http from '@/api/apiService' // 自定义api service
+
+export class Chat {
+  instance = null;
+  sdkAppId = 0;  // 应用id
+  sign = '';     // 签名
+  imUserId = ''; // 用户id
+  imChat = null; // IM实例
+
+  constructor() {
+    if (!Chat.instance) { // 存在的时候
+      Chat.instance = this;
+    }
+    return Chat.instance;
+  }
+ /**
+      * 初始化 获取IM签名
+      * @param {*} isInit  : 是否初始化IM 
+      * @param {*} isLogin : 是否登录IM
+      * @param {*} callback: 监听消息回调函数 
+      * @returns Promise<ImChat>
+      */
+  async init(isInit = true, isLogin = true, callback) {
+    // 特殊处理，只传1个参数且为函数，则默认为callback，isInit和isLogin默认为true
+    if (typeof isInit == 'function'){
+      callback = isInit
+      isInit = true
+      isLogin = true
+    }
+    const userStore = useUserStore()
+    const { timuserid: imUserId } = userStore.user
+    // 获取腾讯云签名
+    const res = await http.imChat.getTxCloudSign({imUserId})
+    if (res && res.code == 200) {
+      const { sdkAppId, sign } = res.data
+      this.sdkAppId = sdkAppId
+      this.sign = sign
+      this.imUserId = imUserId
+      // 初始化IM
+      if (isInit) return await this.initIM(isLogin, callback)
+    }
+  }
+ // 初始化IM
+  async initIM(isLogin, callback) {
+    const imChat = new ImChat(this.sdkAppId, this.sign, this.imUserId)
+    this.imChat = imChat
+    await imChat.init()               // 初始化IM
+    callback && this.listenMsg(callback)   // 监听消息
+    if(isLogin) await imChat.login()  // 登录IM
+    return imChat
+  }
+ // 监听消息
+  async listenMsg(callback) {
+    if (!callback) return
+    if (!this.imChat) return
+    await this.imChat?.watch(msg => callback(msg))
+  }
+ // 解散群
+  async dismissGroup(groupId) {
+    if (!this.imChat) return
+    await this.imChat?.deleteGroup(groupId)
+  }
+ // 退出登录
+  async logout() {
+    if (!this.imChat) return
+    await this.imChat?.logout()
+    imChat = null
+    this.imChat = null
+  }
+  // 发群消息
+  async sendMsg(conv_id, msg) {
+    if (!this.imChat) return
+    await this.imChat?.sendMsg(conv_id, msg)
+  }
+  // 发群消息
+  async sendMsgGroup(msg, head, type) {
+    if (!this.imChat) return
+    this.imChat?.sendMsgGroup(msg, head, type)
+  }
+  // 发群消息
+  async sendMsgGroupId(groupId, msg, head, type) {
+    if (!this.imChat) return
+    const msgObj = this.imChat?.getMsgObj(head, msg, type)
+    this.imChat?.sendMsg(groupId, msgObj)
+  }
+  // 获取群列表
+  async getGroupList() {
+    if (!this.imChat) return
+    return await this.imChat?.getGroupList()
+  }
+}
+
+export default new Chat()
\ No newline at end of file
diff --git a/src/renderer/src/views/classManage/classReserv.vue b/src/renderer/src/views/classManage/classReserv.vue
index b5c6e53..ccb539c 100644
--- a/src/renderer/src/views/classManage/classReserv.vue
+++ b/src/renderer/src/views/classManage/classReserv.vue
@@ -11,6 +11,7 @@
           v-if="item.bookImg"
           @open-edit="reservDialog.openDialog(item)"
           @delete-reserv="deleteReserv(item)"
+          @change="(...o) => emit('change', ...o)"
         ></reserv-item>
         <reserv-item-apt
           v-if="!item.bookImg"
@@ -18,6 +19,7 @@
           :item="item"
           @open-edit="reservDialog.openDialog(item)"
           @delete-reserv="deleteReserv(item)"
+          @change="(...o) => emit('change', ...o)"
         ></reserv-item-apt>
       </template>
     </div>
@@ -34,6 +36,10 @@ import Reserv from '@/views/prepare/container/reserv.vue'
 import { useToolState } from '@/store/modules/tool'
 import useUserStore from '@/store/modules/user'
 import ReservItemApt from '@/views/classManage/reserv-item-apt.vue'
+// import Chat from '@/utils/chat' // im 登录初始化
+// if (!Chat.imChat) Chat.init()
+
+const emit = defineEmits(['change'])
 const reservDialog = ref(null)
 const tabOptions = ref(['进行中', '已结束'])
 const tabActive = ref('进行中')
diff --git a/src/renderer/src/views/classManage/reserv-item-apt.vue b/src/renderer/src/views/classManage/reserv-item-apt.vue
index 879b406..57f2596 100644
--- a/src/renderer/src/views/classManage/reserv-item-apt.vue
+++ b/src/renderer/src/views/classManage/reserv-item-apt.vue
@@ -7,14 +7,14 @@
       <span>{{item.caption}}</span>
     </div>
     <div class="class-reserv-item-tool" style="width: 200px;max-width: 300px">
-      <el-tag v-if="item.status === 'close'" style="margin-right: 5px" type="success">已结束</el-tag>
+      <el-tag v-if="item.status === 'closed'" style="margin-right: 5px" type="success">已结束</el-tag>
       <el-tag v-if="item.status === 'open'" style="margin-right: 5px" type="danger">上课中</el-tag>
       <el-button v-if="item.status === 'open'" :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 v-if="item.status === 'open'" size="small" type="info" @click="endClassR(item)"
-      >下课</el-button
+      <el-button v-if="item.status === 'open'" :loading="loading" size="small" type="info" @click="endClassR(item)"
+      >下课{{ loading?'中...':'' }}</el-button
       >
     </div>
     <div class="class-reserv-item-tool" style="width: 50px;">
@@ -25,13 +25,14 @@
   </div>
 </template>
 <script setup>
+import { ref } from 'vue'
 import { useToolState } from '@/store/modules/tool'
 import useUserStore from '@/store/modules/user'
 import { createWindow } from '@/utils/tool'
 import { deleteSmartReserv, startClass, endClass } from '@/api/classManage'
 import { ElMessage } from 'element-plus'
 import { listEntpcourse } from '@/api/teaching/classwork'
-const emit = defineEmits(['openEdit', 'deleteReserv'])
+const emit = defineEmits(['openEdit', 'deleteReserv', 'change'])
 const props = defineProps({
   item: {
     type: Object,
@@ -40,6 +41,7 @@ const props = defineProps({
 })
 const basePath = import.meta.env.VITE_APP_BUILD_BASE_PATH
 const toolStore = useToolState() // 获取状态管理-tool
+const loading = ref(false)  // 下课中的loading
 const openEdit = () => {
   emit('openEdit', props.item)
 }
@@ -54,42 +56,15 @@ const deleteReserv = () => {
     }
   })
 }
+// 继续上课
 const startClassR = (item) => {
-  // startClass(item.id).then((res) => {
-  //   if (res.data === true) {
-  //     item.status = '上课中'
-  //     openLesson()
-  //   }
-  // })
-  // item.status = '上课中'
-  openLesson()
+  emit('change', 'continue', item)
 }
+// 下课
 const endClassR = (item) => {
-  /*endClass(item.id).then((res) => {
-    if (res.data === true) {
-      ElMessage({
-        message: '下课成功',
-        type: 'success'
-      })
-      item.status = '已结束'
-    }
-  })*/
-}
-// const toolStore = useToolState()
-let wins = null;
-// 上课-工具类悬浮
-const openLesson = () => {
-  // startClass(props.item.id)
-  /*listEntpcourse({
-    evalid: props.item.ex2,
-    edituserid: useUserStore().user.userId,
-    pageSize: 500
-  }).then(async res=>{
-    if (res.rows[0].id) {
-      wins = await createWindow('tool-sphere', { url: '/tool/sphere?entpcourseid=' + res.rows[0].id + "&reservId=" + props.item.id })
-    }
-  })*/
+  emit('change', 'close', item, { type: 2, loading })
 }
+
 </script>
 <style scoped lang="scss">
 .class-reserv-item {
diff --git a/src/renderer/src/views/classManage/reserv-item.vue b/src/renderer/src/views/classManage/reserv-item.vue
index 78db608..2a67aa6 100644
--- a/src/renderer/src/views/classManage/reserv-item.vue
+++ b/src/renderer/src/views/classManage/reserv-item.vue
@@ -13,8 +13,8 @@
         >继续上课</el-button
       >
 <!--      <el-button v-if="item.status === '未开始'" @click="openEdit">编辑</el-button>-->
-      <el-button v-if="item.status === '上课中'" size="small" type="info" @click="endClassR(item)"
-        >下课</el-button
+      <el-button v-if="item.status === '上课中'" :loading="loading" size="small" type="info" @click="endClassR(item)"
+        >下课{{ loading?'中...':'' }}</el-button
       >
     </div>
     <div class="class-reserv-item-tool" style="width: 50px;">
@@ -25,13 +25,14 @@
   </div>
 </template>
 <script setup>
+import { ref } from 'vue'
 import { useToolState } from '@/store/modules/tool'
 import useUserStore from '@/store/modules/user'
 import { createWindow } from '@/utils/tool'
 import { deleteSmartReserv, startClass, endClass } from '@/api/classManage'
 import { ElMessage } from 'element-plus'
 import { listEntpcourse } from '@/api/teaching/classwork'
-const emit = defineEmits(['openEdit', 'deleteReserv'])
+const emit = defineEmits(['openEdit', 'deleteReserv','change'])
 const props = defineProps({
   item: {
     type: Object,
@@ -40,6 +41,7 @@ const props = defineProps({
 })
 const basePath = import.meta.env.VITE_APP_BUILD_BASE_PATH
 const toolStore = useToolState() // 获取状态管理-tool
+const loading = ref(false)  // 下课中的loading
 const openEdit = () => {
   emit('openEdit', props.item)
 }
@@ -80,15 +82,7 @@ const openLesson = () => {
   })
 }
 const endClassR = (item) => {
-  endClass(item.id).then((res) => {
-    if (res.data === true) {
-      ElMessage({
-        message: '下课成功',
-        type: 'success'
-      })
-      item.status = '已结束'
-    }
-  })
+  emit('change', 'close', item, { type: 2, loading })
 }
 </script>
 <style scoped lang="scss">
diff --git a/src/renderer/src/views/prepare/container/class-start.vue b/src/renderer/src/views/prepare/container/class-start.vue
index b4c6d7c..ec0d01d 100644
--- a/src/renderer/src/views/prepare/container/class-start.vue
+++ b/src/renderer/src/views/prepare/container/class-start.vue
@@ -24,9 +24,10 @@
         <el-col :span="24">
           <c-form v-bind="classForm">
             <template #item_classid="{prop, form}">
-              <el-select v-model="form[prop]" placeholder="请选择班级">
+              <span v-if="dt.ctCourse">{{ dt.ctCourse?.caption }}</span>
+              <el-select v-else v-model="form[prop]" placeholder="请选择班级">
                 <el-option v-for="item in listData.classList" :value="item.id"
-                           :label="`${item.caption} (${item.classstudentcount}人)`" />
+                          :label="`${item.caption} (${item.classstudentcount}人)`" />
               </el-select>
             </template>
           </c-form>
@@ -118,7 +119,9 @@ const dt = reactive({           // 其他数据
   isHistory: false,             // 是否显示-历史记录
   loading: false,               // 加载-loading
   loadingDel: false,            // 删除-loading
+  atClass: {},                  // 当前班级
   atCourse: {},                 // 当前课程
+  ctCourse: null,               // 继续课程
 })
 let chat = null                 // im-chat 对象
 
@@ -128,9 +131,10 @@ onMounted(() => {
 })
 /**
  * @description 暴露方法-打开对话框
- * @param row 课件对象
+ * @param id 课件id
+ * @param classObj 课程对象-用于继续上课
  */
-const open = async (id) => {
+const open = async (id, classObj) => {
   visible.value = true
   if (id) {
     // 重置数据
@@ -139,6 +143,11 @@ const open = async (id) => {
     await getAptInfo(id)
     // 获取班级列表
     getClassList()
+    // 继续上课
+    if (!!classObj) {
+      dt.ctCourse = classObj
+      teacherForm.form.classcourseid = classObj.id
+    }
     // 初始化im-chat
     nextTick(async() => {
       chat = await imChatRef.value?.initImChat()
@@ -148,8 +157,9 @@ const open = async (id) => {
 // 关闭弹窗
 const handleClose = async () => {
   reset() // 重置数据
-  await chat?.logout()
-  chat = null
+  // await chat?.logout()
+  // chat = null
+  dt.ctCourse = null
   emit('close')
 }
 // 初始化-数据
@@ -177,8 +187,10 @@ const reset = () => {
   teacherForm.form = { classcourseid: 0 }
   dt.isCreate = false
   dt.isHistory = false
+  dt.atClass = {}
   dt.atCourse = {}
 }
+
 // 获取课件APT
 const getAptInfo = async (id) => {
   const res = await Http_Entpcoursefile.getEntpcoursefile(id)
@@ -338,9 +350,9 @@ const chatChange = (type, data, ...args) => {
 // 监听-班级id
 watch(() => classForm.form.classid, (val)=> {
   // 获取选中课程
-  dt.atCourse = listData.classList.find(o => o.id === val) || {}
+  dt.atClass = listData.classList.find(o => o.id === val) || {}
   // 获取选中课程-学生列表
-  listData.activeStudentList = dt.atCourse?.classstudentlist || []
+  // listData.activeStudentList = dt.atClass?.classstudentlist || []
   // 清空课程列表
   listData.classcourseList = []
   // 如果当前显示历史, 就从新获取
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 57bbc7d..80fbb50 100644
--- a/src/renderer/src/views/prepare/container/kj-list-item.vue
+++ b/src/renderer/src/views/prepare/container/kj-list-item.vue
@@ -102,7 +102,7 @@ import { deleteSmarttalk, updateSmarttalk, getPrepareById } from '@/api/file'
 import useUserStore from '@/store/modules/user'
 import outLink from '@/utils/linkConfig'
 import { sessionStore } from '@/utils/store'
-import { listClasscourseNew } from '@/api/teaching/classcourse'
+import { listClasscourseNew, updateClasscourse } from '@/api/teaching/classcourse'
 import { endClass, getSelfReserv } from '@/api/classManage'
 import { listEntpcourse } from '@/api/teaching/classwork'
 import { createWindow } from '@/utils/tool'
@@ -137,7 +137,7 @@ export default {
     }
   },
   expose: ['openFileWin'],
-  emits: { 'on-start-class': null, 'on-delete': null, 'on-set': null, 'on-delhomework': null,'on-filearg': null },
+  emits: { 'on-start-class': null, 'on-delete': null, 'on-set': null, 'on-delhomework': null,'on-filearg': null, 'change': null },
   data() {
     return {
       listenList: [],
@@ -148,27 +148,24 @@ export default {
     this.userInfo = useUserStore().user
   },
   methods: {
-    getOpenCourse() {
-      return Promise.all([listClasscourseNew({teacherid: this.userInfo.userId,status:"open",evalid: this.curNode.id,pageSize:1000}), getSelfReserv({ex2:this.curNode.id})]).then(([res1,res2])=>{
-        let list2 = res1.rows || []
-        let list = res2.data || []
-        let one = list.find(item1 => {
-          if (item1.status === "上课中") {
-            return true
-          }
+    // 获取当前上课的课程列表
+    getOpenCourse(isApt) {
+      const curNodeId = this.curNode.id
+      if (isApt) { // APT课程
+        const params = {teacherid: this.userInfo.userId,status:"open",evalid: curNodeId,pageSize:1000}
+        return listClasscourseNew(params).then(res => {
+          return (res.rows || [])
         })
-        if (one) {
-          return one
-        }
-        if (list2.length>0) {
-          one = list2[0]
-        }
-        return one
-      })
+      } else {    // 普通课程PPT
+        return getSelfReserv({ex2: curNodeId}).then(res => {
+          return (res.data || []).filter(o => o.status === "上课中")
+        })
+      }
     },
     clickStartClass(item) {
-      this.getOpenCourse().then(res=>{
-        if(!res){
+      const isApt = item.fileFlag === 'apt'
+      this.getOpenCourse(isApt).then(res => {
+        if(!res || res.length === 0){
           this.$emit('on-start-class', item)
         }else{
           ElMessageBox.alert('<strong>上次课程尚未结束，是否继续上课？</strong>', '', {
@@ -185,51 +182,80 @@ export default {
             confirmButtonClass: "el-button--danger",
             center: true,
             beforeClose: (action, instance, done) => {
+              const obj = res[0]
+              // console.log(action, obj, item)
               if (action === 'confirm'){
                 // 下课
-                if (res.bookImg) {
-                  //PPT
-                  endClass(res.id).then((res1) => {
-                    if (res1.data === true) {
-                      ElMessage({
-                        message: '下课成功',
-                        type: 'success'
-                      })
-                      res.status = '已结束'
-                      done()
-                    }
-                  })
-                }else {
-                  //APT
-                }
+                this.$emit('change', 'close', obj, { type: 1, instance, done })
+                // if (obj.bookImg) {
+                //   // //PPT
+                //   // endClass(obj.id).then((res1) => {
+                //   //   if (res1.data === true) {
+                //   //     ElMessage({
+                //   //       message: '下课成功',
+                //   //       type: 'success'
+                //   //     })
+                //   //     obj.status = '已结束'
+                //   //     done()
+                //   //   }
+                //   // })
+                // }else {
+                //   //APT 结束课程-父组件触发
+                //   // this.$emit('change', 'close', obj, { type: 1, instance, done })
+                //   // this.closeCourse(obj, instance, done)
+                // }
               }
               if (action === 'cancel'){
                 // 继续上课
-                if (res.bookImg) {
+                if (obj.bookImg) {
+                  console.log('PPT')
                   //PPT
                   listEntpcourse({
-                    evalid: res.ex2,
+                    evalid: obj.ex2,
                     edituserid: useUserStore().user.userId,
                     pageSize: 500
                   }).then(async res1=>{
                     if (res1.rows[0].id) {
-                      createWindow('tool-sphere', { url: '/tool/sphere?entpcourseid=' + res1.rows[0].id + "&reservId=" + res.id })
+                      createWindow('tool-sphere', { url: '/tool/sphere?entpcourseid=' + res1.rows[0].id + "&reservId=" + obj.id })
                       done()
                     }
                   })
                 }else {
                   //APT
+                  this.$emit('on-start-class', item, obj)
+                  done()
                 }
               }
               if (action === 'close') {
                 done()
               }
             },
-          })
+          }).catch(() => {})
         }
       })
       // this.$emit('on-start-class', item)
     },
+    // 结束课程(下课)
+    // async closeCourse(row, instance, done) {
+    //   instance.confirmButtonLoading = true
+    //   instance.confirmButtonText = '下课中...'
+    //   // 发送-下课消息
+    //   if (!!row.timgroupid) {
+    //     const msg = { msgKey: 'closed', actor: 'teacher', classcourseid: row.id }
+    //     Chat.sendMsg(row.timgroupid, msg)
+    //   }
+    //   // 接口-修改状态
+    //   const params = { id: row.id, status: 'closed', timgroupid: '' }
+    //   await updateClasscourse(params)
+    //   // 解散群
+    //   setTimeout(async() => {
+    //     if (!!row.timgroupid) await Chat.dismissGroup(row.timgroupid)
+    //     instance.confirmButtonLoading = false
+    //     instance.confirmButtonText = '下课'
+    //     done()
+    //     ElMessage({ type: 'success', message: `下课成功！` })
+    //   }, 1000)
+    // },
     editTalk(item) {
       ElMessageBox.prompt('请输入新的标签', '添加标签', {
         confirmButtonText: '确认',
diff --git a/src/renderer/src/views/prepare/index.vue b/src/renderer/src/views/prepare/index.vue
index 7b68cf6..6e29140 100644
--- a/src/renderer/src/views/prepare/index.vue
+++ b/src/renderer/src/views/prepare/index.vue
@@ -24,12 +24,14 @@
               :curNode="currentNode"
               @on-delete="deleteTalk"
               @on-start-class="startClass"
+              @change="changeClass"
             >
             </kj-list-item>
           </div>
         </el-tab-pane>
         <el-tab-pane label="教学实录" name="教学实录" class="prepare-center-jxsl">
-          <class-reserv v-if="activeAptTab==='教学实录'" :curNode="currentNode"></class-reserv>
+          <class-reserv v-if="activeAptTab==='教学实录'" :curNode="currentNode" 
+            @change="changeClass"></class-reserv>
         </el-tab-pane>
       </el-tabs>
     </div>
@@ -155,16 +157,21 @@ import { parseCataByNode, creatPPT, asyncLocalFile } from '@/utils/talkFile'
 import FileOperBatch from '@/views/prepare/container/file-oper-batch.vue'
 import SetHomework from '@/components/set-homework/index.vue'
 import outLink from '@/utils/linkConfig'
-import { createWindow, sessionStore, getAppInstallUrl } from '@/utils/tool'
+import { createWindow, sessionStore, getAppInstallUrl, ipcMsgSend } from '@/utils/tool'
 import { cloneDeep } from 'lodash'
 import { delClasswork, listEntpcourse } from '@/api/teaching/classwork'
-import { getClassInfo, getSelfReserv } from '@/api/classManage'
+import { updateClasscourse } from '@/api/teaching/classcourse'
+import { getClassInfo, getSelfReserv, endClass } from '@/api/classManage'
 import { useGetHomework } from '@/hooks/useGetHomework'
 import { addEntpcoursefileReturnId } from '@/api/education/entpcoursefile'
 import ClassReserv from '@/views/classManage/classReserv.vue'
 import classStart from './container/class-start.vue' // 预备上课
-const toolStore = useToolState()
+import MsgEnum from '@/plugins/imChat/msgEnum'  // im 消息枚举
+import Chat from '@/utils/chat' // im 登录初始化
+import msgEnum from '@/plugins/imChat/msgEnum'
+if (!Chat.imChat) Chat.init()
 
+const toolStore = useToolState()
 const fs = require('fs')
 const { ipcRenderer } = window.electron || {}
 
@@ -272,7 +279,8 @@ export default {
   //   }
   // },
   methods: {
-    startClass(item) {
+    // 开始上课
+    startClass(item, classObj) {
       // 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')
@@ -283,11 +291,68 @@ export default {
         this.openReserv()
       }
       if(item.fileFlag === 'apt') {
-        this.$refs.calssRef.open(item.fileId)
+        this.$refs.calssRef.open(item.fileId, classObj)
+      }
+    },
+    // 继续上课-apt
+    async changeClass(type, row, other) {
+      switch(type) {
+        case 'continue': { // 继续上课
+          const aptFileId = row.entpcoursefileid
+          this.$refs.calssRef.open(aptFileId, row)
+          break
+        }
+        case 'close': { // 关闭上课
+          const head = MsgEnum.HEADS.MSG_closed // closed
+          const msgT = msgEnum.TYPES.TEACHER    // teacher
+          const isApt = !row.bookImg // bookImg ppt 否则Apt
+          row.ex3 == 'undefined' && (row.ex3 = null)
+          const timgroupid = isApt ? row.timgroupid : row.ex3 // ex3 ppt 否则Apt
+          if (other.type == 1) { // 弹窗-下课
+            other.instance.confirmButtonLoading = true
+            other.instance.confirmButtonText = '下课中...'
+          } else { // 列表-下课
+            other.loading.value = true
+          }
+          // 发送-下课消息
+          if (!!timgroupid) {
+            const msg = { msgKey: head, actor: msgT, classcourseid: row.id }
+            Chat.sendMsg(timgroupid, msg)
+          }
+          if (isApt) { // Apt
+            // 接口-修改状态
+            await updateClasscourse({ id: row.id, status: head, timgroupid: '' })
+          } else {  // PPT
+            const toolStore = useToolState()
+            // 窗口已打开，直接关闭
+            if (toolStore.isToolWin) {
+              toolStore.resetDef()            // 重置状态
+              ipcMsgSend('tool-sphere:close') // 关闭窗口
+            }
+            // 接口-修改状态
+            await endClass(row.id)
+          }
+          // 解散群
+          setTimeout(async() => {
+            if (!!timgroupid) await Chat.dismissGroup(timgroupid)
+            if (other.type == 1) { // 弹窗-下课
+              other.instance.confirmButtonLoading = false
+              other.instance.confirmButtonText = '下课'
+              other.done()
+            } else {
+              other.loading.value = false
+              row.status = isApt ? head : '已结束'
+            }
+            ElMessage({ type: 'success', message: `下课成功！` })
+          }, 1000)
+          break
+        }
+        default: 
+          break
       }
     },
     closeChange() { // 上课弹窗被关闭-触发
-      console.log('关闭上课弹窗')
+      // console.log('关闭上课弹窗')
       // this.activeClass = null
       sessionStore.delete('activeClass')
     },
diff --git a/src/renderer/src/views/tool/sphere.vue b/src/renderer/src/views/tool/sphere.vue
index 1cc6d71..0a152e5 100644
--- a/src/renderer/src/views/tool/sphere.vue
+++ b/src/renderer/src/views/tool/sphere.vue
@@ -239,7 +239,7 @@ const sideChange = async o => {
         // 延迟2秒后关闭窗口，如果马上解散群，会导致群组不存在
         setTimeout(async() => {
           await imChatRef.value?.deleteGroup()  // 解散群
-          await imChatRef.value?.logout()       // 退出im
+          // await imChatRef.value?.logout()       // 退出im
           elMsg.close()
           ipcMsgSend('tool-sphere:close')       // 关闭窗口
         }, 500);