diff --git a/src/renderer/src/AixPPTist/src/api/watcher.ts b/src/renderer/src/AixPPTist/src/api/watcher.ts
index 5a9e731..b7ae2f8 100644
--- a/src/renderer/src/AixPPTist/src/api/watcher.ts
+++ b/src/renderer/src/AixPPTist/src/api/watcher.ts
@@ -130,7 +130,7 @@ export default () => {
         case MsgEnum.HEADS.MSG_yh: // 疑惑
           hooksUpvote.trigger(2)
           break
-          case MsgEnum.HEADS.MSG_pushSreen_ImgList: // 推图片上屏
+        case MsgEnum.HEADS.MSG_pushSreen_ImgList: // 推图片上屏
           const imgArray = content.ImgList.map((obj) => obj.url);
           emitter.emit('opengridPic',{arr:imgArray}) // 打开推图片上屏窗口
           break
diff --git a/src/renderer/src/AixPPTist/src/views/Screen/BaseView.vue b/src/renderer/src/AixPPTist/src/views/Screen/BaseView.vue
index 7d24e8c..df33b5c 100644
--- a/src/renderer/src/AixPPTist/src/views/Screen/BaseView.vue
+++ b/src/renderer/src/AixPPTist/src/views/Screen/BaseView.vue
@@ -47,8 +47,9 @@
         <IconListView class="tool-btn" v-tooltip="'演讲者视图'" @click="changeViewMode('presenter')" />
         <IconOffScreenOne class="tool-btn" v-tooltip="'退出全屏'" v-if="fullscreenState" @click="manualExitFullscreen()" />
         <IconFullScreenOne class="tool-btn" v-tooltip="'进入全屏'" v-else @click="enterFullscreen()" />
-        <IconPower class="tool-btn" v-tooltip="'结束放映'" @click="exitScreening()" />
-        <IconPower class="tool-btn close" v-if="chat.groupid" v-tooltip="'结束课堂'" @click="exitCourse()" />
+        <IconPower class="tool-btn" v-if="!classcourse" v-tooltip="'结束放映'" @click="exitScreening()" />
+        <IconPower class="tool-btn" v-else v-tooltip="'结束课堂'" @click="exitCourse()" size="30" fill="#d0021b" strokeLinecap="butt" />
+        <Share class="tool-btn" v-if="classcourse" v-tooltip="'分享'" @click="ShareCode()" />
       </div>
       <div :class="['tools-icon',{opacity:iconHide}]" @click.stop="toolTrigger('icon')">
         <circle-double-down v-if="rightToolsVisible" theme="outline" size="30" fill="#409EFF"/>
@@ -75,7 +76,8 @@ import WritingBoardTool from './WritingBoardTool.vue'
 import CountdownTimer from './CountdownTimer.vue'
 import emitter from '@/utils/mitt';
 import Chat from '../../api/chat' // 聊天
-import { CircleDoubleDown, CircleDoubleUp } from '@icon-park/vue-next' // icon-park 图标库
+import { CircleDoubleDown, CircleDoubleUp, Share } from '@icon-park/vue-next' // icon-park 图标库
+import { ShareCode } from '@/utils/ppt' // ppt相关
 
 const props = defineProps<{
   changeViewMode: (mode: 'base' | 'presenter') => void
@@ -198,7 +200,7 @@ const contextmenus = (): ContextmenuItem[] => {
     },
   ]
 }
-
+// 工具栏按钮触发
 const toolTrigger = (type:string) => {
   const curT = Date.now()
   if (curT - timer.value < 200) return
diff --git a/src/renderer/src/AixPPTist/src/views/Screen/PresenterView.vue b/src/renderer/src/AixPPTist/src/views/Screen/PresenterView.vue
index a747a9c..5ece2f4 100644
--- a/src/renderer/src/AixPPTist/src/views/Screen/PresenterView.vue
+++ b/src/renderer/src/AixPPTist/src/views/Screen/PresenterView.vue
@@ -10,9 +10,10 @@
         <IconOffScreenOne class="tool-icon" v-else />
         <span>{{ fullscreenState ? '退出全屏' : '全屏' }}</span>
       </div>
+      <div class="tool-btn" @click="ShareCode()"><Share class="tool-icon" /><span>分享</span></div>
       <Divider class="divider" />
-      <div class="tool-btn" @click="exitScreening()"><IconPower class="tool-icon" /><span>结束放映</span></div>
-      <div class="tool-btn close" @click="exitCourse()" v-if="chat.groupid"><IconPower class="tool-icon" /><span>结束课堂</span></div>
+      <div class="tool-btn" v-if="!classcourse" @click="exitScreening()"><IconPower class="tool-icon" /><span>结束放映</span></div>
+      <div class="tool-btn" v-else @click="exitCourse()" size="30" fill="#d0021b" strokeLinecap="butt"><IconPower class="tool-icon" /><span>结束课堂</span></div>
     </div>
 
     <div class="content">
@@ -78,6 +79,7 @@
 </template>
 
 <script lang="ts" setup>
+import { Share } from '@icon-park/vue-next' // icon-park 图标库
 import { computed, nextTick, onMounted, onUnmounted, ref, watch } from 'vue'
 import { storeToRefs } from 'pinia'
 import { useSlidesStore, useClasscourseStore } from '../../store'
@@ -97,6 +99,7 @@ import CountdownTimer from './CountdownTimer.vue'
 import Divider from '../../components/Divider.vue'
 import emitter from '@/utils/mitt';
 import Chat from '../../api/chat' // 聊天
+import { ShareCode } from '@/utils/ppt' // ppt相关
 
 const props = defineProps<{
   changeViewMode: (mode: 'base' | 'presenter') => void
@@ -125,7 +128,7 @@ const { slideWidth, slideHeight } = useSlideSize(slideListWrapRef)
 const { exitScreening } = useScreening()
 const { slidesLoadLimit } = useLoadSlides()
 const { fullscreenState, manualExitFullscreen } = useFullscreen()
-const chat:any = Chat() // 聊天室
+const chatApi:any = Chat() // 聊天室
 
 const remarkFontSize = ref(16)
 const currentSlideRemark = computed(() => {
@@ -134,15 +137,20 @@ const currentSlideRemark = computed(() => {
 
 // 切换到指定的幻灯片
 const turnSlideTo = (index: number, e: PointerEvent) => {
-  // 课堂信息存在时，不允许翻页
-  console.log('课堂信息', classcourse, index)
-  if (!!classcourse.value) return
+  const preInd = slideIndex.value
   turnSlideToIndex(index)
+  if (!!classcourse.value) {// 上课中
+    if (preInd == index) return
+    const animationSteps = 0
+    const animation = index > preInd?'Nextsteps':'Previoustep'
+    const msg = { current:index, animation, animationSteps}
+    chatApi.slideFlapping(msg)
+  }
 }
 // 下课
 const exitCourse = async () => {
   // console.log('下课', chat)
-  await chat.exitCourse() // 下课消息
+  await chatApi.exitCourse() // 下课消息
   exitScreening() // 结束放映
 }
 
diff --git a/src/renderer/src/api/teaching/classcourse.js b/src/renderer/src/api/teaching/classcourse.js
index d227b2d..b3b6952 100644
--- a/src/renderer/src/api/teaching/classcourse.js
+++ b/src/renderer/src/api/teaching/classcourse.js
@@ -102,4 +102,16 @@ export function setPaging(data) {
     data
   })
 }
+/**
+ * 获取分享码(邀请码)
+ * @param {*} id 课堂id
+ * @returns 
+ */
+export function getShareCode(id) {
+  return request({
+    url: '/education/classcourse/refresh/code',
+    method: 'post',
+    data: { id }
+  })
+}
 
diff --git a/src/renderer/src/utils/ppt/index.js b/src/renderer/src/utils/ppt/index.js
index 6634826..f556f1f 100644
--- a/src/renderer/src/utils/ppt/index.js
+++ b/src/renderer/src/utils/ppt/index.js
@@ -6,6 +6,10 @@ import { toPng, toJpeg } from 'html-to-image' // 引入html-to-image库
 import { PPTXFileToJson } from "@/AixPPTist/src/hooks/useImport"
 import ThumbnailSlide from '@/AixPPTist/src/views/components/ThumbnailSlide/index.vue'
 import { useSlidesStore } from '@/AixPPTist/src/store'
+import * as ElementPlus from 'element-plus'
+import { sessionStore } from '@/utils/store' // electron-store 状态管理
+import * as Http_Classcourse from '@/api/teaching/classcourse' // api接口
+
 // 延时
 const sleep = ms => new Promise(resolve => setTimeout(resolve, ms))
 
@@ -84,4 +88,44 @@ export const slidesToImg = (slides = [], options) => {
 export const pptToImg = async(file, options) => {
   const { slides } = await PPTXFileToJson(file)
   return slidesToImg(slides, options)
+}
+
+/**
+ * 课堂-分享码
+ */
+export const ShareCode = async(code, cb) => {
+  let shareCode
+  if (typeof code =='string') shareCode = code
+  else { // 自动获取邀请码
+    const classcourse = sessionStore.get('curr.classcourse') // 课堂信息
+    if (!classcourse) return ElementPlus.ElMessage.warning('没有课堂信息')
+    const isRefresh = typeof code == 'boolean' && code // 是否刷新邀请码
+    shareCode = classcourse.shareCode
+    if (!shareCode || isRefresh) { // 获取邀请码
+      const res = await Http_Classcourse.getShareCode(classcourse.id)
+      shareCode = res.msg
+      // 更新邀请码
+      sessionStore.set('curr.classcourse.shareCode', shareCode)
+    }
+  }
+  const msg = h('div', [
+    h('h1', [`我的邀请码：`, h('b',{style:{color:'#F56C6C',fontSize:'1.5em'}}, shareCode)]),
+    h('div', {style:{color:'#E6A23C',fontSize:'13px'}}, `该邀请码1小时内有效，请在学生端填写邀请码后即可进入课堂。`)
+  ])
+  return ElementPlus.ElMessageBox.alert(msg, '分享课程', {
+    confirmButtonText: '更新',
+    cancelButtonText: '关闭',
+    showCancelButton: true,
+
+    beforeClose: (action, instance, done) => {
+      if (action =='confirm') { // 更新
+        if (!!cb) { // 回调
+          cb({ h, instance, action, done }, done) && done()
+        } else { // 默认更新
+          ShareCode(true)
+          done()
+        }
+      } else done()
+    }
+  }).catch(() => {})
 }
\ No newline at end of file
diff --git a/src/renderer/src/views/prepare/container/class-start.vue b/src/renderer/src/views/prepare/container/class-start.vue
index fbac0c8..6795990 100644
--- a/src/renderer/src/views/prepare/container/class-start.vue
+++ b/src/renderer/src/views/prepare/container/class-start.vue
@@ -60,8 +60,8 @@
              <template #item_mobile>
               <div>
                 <div v-if="myClassActive.filetype=='apt'">开始新的课堂，需要点击先创建课堂，才能显示手机二维码</div>
-                <div v-else>开始新的课堂，需要点击先创建课堂</div>
-                <el-button type="warning" :loading="dt.loading" @click="createClasscourse()">创建课堂</el-button>
+                <div v-else>开始新的课堂</div>
+                <!-- <el-button type="warning" :loading="dt.loading" @click="createClasscourse()">创建课堂</el-button> -->
                 <el-button type="success"  @click="createClasscourse(true)">公屏上课</el-button>
               </div>
              </template>
@@ -139,6 +139,8 @@ onMounted(() => {
  * @param classObj 课程对象-用于继续上课
  */
 const open = async (id, classObj) => {
+  dt.loading = false
+  dt.loadingDel = false
   visible.value = true
   if (id) {
     // 重置数据
@@ -167,6 +169,8 @@ const handleClose = async () => {
   // await chat?.logout()
   // chat = null
   dt.ctCourse = null
+  dt.loading = false
+  dt.loadingDel = false
   emit('close')
 }
 // 初始化-数据
@@ -264,7 +268,7 @@ const createClasscourse = async (isPublic = false) => {
   }
   // teacherForm.form.classcourseid = 100
   teacherForm.form.classcourseid = await Http_Classcourse.addClasscourseReturnId(params)
-  dt.loading = false
+    .finally(() => {dt.loading = false})
   // getClasscourseList('update') // 更新列表
   let msgEl = ElMessage.success('创建课程-成功')
   // 新版-pptList 打开公屏