diff --git a/src/renderer/src/AixPPTist/src/api/chat.ts b/src/renderer/src/AixPPTist/src/api/chat.ts
index 6cf016e..70574e2 100644
--- a/src/renderer/src/AixPPTist/src/api/chat.ts
+++ b/src/renderer/src/AixPPTist/src/api/chat.ts
@@ -4,21 +4,51 @@
 
 import ChatWs from '@/plugins/socket' // 聊天socket
 import { sessionStore } from '@/utils/store' // electron-store 状态管理
+import { useClasscourseStore } from '../store'
 import * as API_classcourse from '@/api/teaching/classcourse' // 后端api
+import { MsgEnum } from './types'
+// import msgUtils from '@/plugins/modal' // 消息工具
 
 export default () => {
   const classcourse = sessionStore.get('curr.classcourse') // 课堂信息
+  const courseId = classcourse?.id // 课堂id
   const timgroupid = classcourse?.timgroupid // 群组id
+  const classcourseStore = useClasscourseStore() // 课堂信息-状态管理
   if (!ChatWs.ws) ChatWs.init()
+  // 开课消息
+  const startCourse = async() => {
+    // await API_classcourse.updateClasscourse({ id: classcourse.id, status: 'open' })
+    ChatWs.sendMsg('open', {id: courseId})
+    return Promise.resolve()
+  }
   // 下课消息
   const exitCourse = async() => {
     if(!timgroupid) throw new Error('未获取到群组ID')
-    await API_classcourse.updateClasscourse({ id: classcourse.id, status: 'closed' })
+    await API_classcourse.updateClasscourse({ id: courseId, status: 'closed' })
     return ChatWs.closedCourse(timgroupid)
   }
+  // 翻页消息
+  const slideFlapping = (msg:object) => {
+    return new Promise(async (resolve, reject) => {
+      const isWs = !!ChatWs.ws && ChatWs.ws.readyState === 1 // 是否有socket连接
+      if(!timgroupid) return reject('未获取到群组ID')
+      else if(!isWs) return reject('信异常，请重试！')
+      const {current: paging, animationSteps: cartoonTimes} = msg || {}
+      const head = MsgEnum.HEADS.MSG_slideFlapping
+      ChatWs.sendMsg(head, msg) // 发送消息
+      API_classcourse.setPaging({ id: courseId, paging, cartoonTimes})
+      // 更新本地缓存
+      sessionStore.set('curr.classcourse.paging', paging)
+      sessionStore.set('curr.classcourse.cartoonTimes', cartoonTimes)
+      classcourseStore.classcourse.paging = paging
+      classcourseStore.classcourse.cartoonTimes = cartoonTimes
+      return resolve(true)
+    })
+  }
   return {
-    exitCourse,
-    classcourse,
     groupid: timgroupid,
+    classcourse,
+    exitCourse,
+    slideFlapping,
   }
 }
\ No newline at end of file
diff --git a/src/renderer/src/AixPPTist/src/api/classcourse.ts b/src/renderer/src/AixPPTist/src/api/classcourse.ts
index 21e7296..c92a6b6 100644
--- a/src/renderer/src/AixPPTist/src/api/classcourse.ts
+++ b/src/renderer/src/AixPPTist/src/api/classcourse.ts
@@ -14,6 +14,7 @@ const slidesStore = useStore.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
+const isPublic = sessionStore.get('curr.isPublic') // 是否公屏开课
 
 export class Classcourse {
   msgObj:ElMessageBox = null // 提示消息对象
@@ -36,8 +37,13 @@ export class Classcourse {
     // 如果课堂信息有值，则连接socket
     if (isCourse) {
       // 连接socket
-      if (!ChatWs.ws) ChatWs.init()
       ChatWs.id = classcourse.timgroupid // 群组id
+      if (!ChatWs.ws) {
+        ChatWs.init().then(_ => {
+          isPublic && ChatWs.sendMsg('open', {id: classcourse.id})
+          // isPublic && console.log('socket-开课消息-已发送')
+        })
+      }
       this.classcourse = classcourse // 课堂信息
       this.id = classcourse.id // 课堂id
       // 如果课堂信息有paging，则更新当前页码
@@ -46,7 +52,7 @@ export class Classcourse {
       // 如果课堂信息有paging，则更新动画播放状态
       const isAnim = !!cartoonTimes || cartoonTimes === 0
       if (isPaging) slidesStore.updateSlideIndex(paging)
-      if (isAnim) slidesStore.updateAnimationIndex(cartoonTimes+1)
+      if (isAnim) slidesStore.updateAnimationIndex(cartoonTimes)
       // 课堂信息-状态管理
       classcourseStore.setClasscourse(classcourse)
       // 待上课提示
diff --git a/src/renderer/src/AixPPTist/src/api/types.ts b/src/renderer/src/AixPPTist/src/api/types.ts
index e762748..3678ed4 100644
--- a/src/renderer/src/AixPPTist/src/api/types.ts
+++ b/src/renderer/src/AixPPTist/src/api/types.ts
@@ -124,6 +124,8 @@ export class MsgEnum {
     MSG_classlecturePagesrc : 'classlecturePagesrc',
     /** @desc: 课堂作业|活动 */
     MSG_homework : 'HOMEWORK',
+    /** @desc: 公屏 - 课堂作业|活动 */
+    MSG_pushSreen_work : 'pushSreen_work',
     /** @desc: 点赞 */
     MSG_dz : 'dz',
     /** @desc: 疑惑 */
diff --git a/src/renderer/src/AixPPTist/src/api/watcher.ts b/src/renderer/src/AixPPTist/src/api/watcher.ts
index 220ed53..34c3294 100644
--- a/src/renderer/src/AixPPTist/src/api/watcher.ts
+++ b/src/renderer/src/AixPPTist/src/api/watcher.ts
@@ -23,7 +23,7 @@ export default () => {
   const classcourseStore = store.useClasscourseStore() // 课堂信息-状态管理
   const resource = sessionStore.get('curr.resource') // apt 资源
   const smarttalk = sessionStore.get('curr.smarttalk') // 备课资源
-  const { execNext, turnPrevSlide } = useExecPlay()
+  const { execNext, turnPrevSlide } = useExecPlay(false) // 不加载钩子
   // 监听幻灯片内容变化
   watch(() => slidesStore.slides, (newVal, oldVal) => {
     PPTApi.updateSlides(newVal, oldVal) // 更新幻灯片内容
@@ -98,14 +98,21 @@ export default () => {
           break
         case MsgEnum.HEADS.MSG_slideFlapping: // 幻灯片翻页
           const slideIndex = content?.current || 0
-          const type = content?.animation
+          const type = content?.animation // 上下动作
+          const steps = content?.animationSteps // 动画步骤
           if (type === 'Nextsteps') execNext(true) // 下一步-异步动画
           else if (type === 'Previoustep') turnPrevSlide() // 上一步清空-动画
           else slidesStore.updateSlideIndex(slideIndex) // 更新幻灯片下标
+          // 更新本地缓存
+          sessionStore.set('curr.classcourse.paging', slideIndex)
+          sessionStore.set('curr.classcourse.cartoonTimes', steps)
+          classcourseStore.classcourse.paging = slideIndex
+          classcourseStore.classcourse.cartoonTimes = steps
           break
-        case MsgEnum.HEADS.MSG_homework: // 作业|活动-布置
-          if (!content.classWorkId) return
-          Homework.showHomework(content.classWorkId)
+        // case MsgEnum.HEADS.MSG_homework: // 作业|活动-布置 不处理
+        case MsgEnum.HEADS.MSG_pushSreen_work: // 打开-作业|活动
+          if (!content.id) return
+          Homework.showHomework(content.id)
           break
         case MsgEnum.HEADS.MSG_closed: // 下课:
           close()
diff --git a/src/renderer/src/AixPPTist/src/views/Screen/hooks/useExecPlay.ts b/src/renderer/src/AixPPTist/src/views/Screen/hooks/useExecPlay.ts
index 860e37a..cb59465 100644
--- a/src/renderer/src/AixPPTist/src/views/Screen/hooks/useExecPlay.ts
+++ b/src/renderer/src/AixPPTist/src/views/Screen/hooks/useExecPlay.ts
@@ -6,8 +6,13 @@ import { KEYS } from '../../../configs/hotkey'
 import { ANIMATION_CLASS_PREFIX } from '../../../configs/animation'
 import message from '../../../utils/message'
 import emitter from '@/utils/mitt';
+import Chat from '../../../api/chat' // 聊天封装
+// import ChatWs from '@/plugins/socket' // 聊天socket
+// import { MsgEnum } from '../../../api/types' // 消息枚举
 
-export default () => {
+export default (isLoader?: boolean = true) => {
+  // isLoader 是否执行 onMounted, onUnmounted
+  const chatApi = Chat()
   const slidesStore = useSlidesStore()
   const classcourseStore = useClasscourseStore() // 课堂信息-状态管理
   const { slides, slideIndex, formatedAnimations, animationIndex } = storeToRefs(slidesStore)
@@ -71,14 +76,15 @@ export default () => {
       elRef.addEventListener('animationend', handleAnimationEnd, { once: true })
     }
   }
-  
-  onMounted(() => {
-    const firstAnimations = formatedAnimations.value[0]
-    if (firstAnimations && firstAnimations.animations.length) {
-      const autoExecFirstAnimations = firstAnimations.animations.every(item => item.trigger === 'auto' || item.trigger === 'meantime')
-      if (autoExecFirstAnimations) runAnimation()
-    }
-  })
+  if (isLoader) { // 加载相关钩子
+    onMounted(() => {
+      const firstAnimations = formatedAnimations.value[0]
+      if (firstAnimations && firstAnimations.animations.length) {
+        const autoExecFirstAnimations = firstAnimations.animations.every(item => item.trigger === 'auto' || item.trigger === 'meantime')
+        if (autoExecFirstAnimations) runAnimation()
+      }
+    })
+  }
 
   // 撤销元素动画，除了将索引前移外，还需要清除动画状态
   const revokeAnimation = () => {
@@ -142,7 +148,6 @@ export default () => {
     inAnimation.value = false
   }
   const execNext = (isAsync: boolean) => {
-    console.log('execNext', isAsync)
     if (formatedAnimations.value.length && animationIndex.value < formatedAnimations.value.length) {
       runAnimation(isAsync)
     }
@@ -178,8 +183,7 @@ export default () => {
   // 鼠标滚动翻页
   const mousewheelListener = (e: WheelEvent) => {
     // console.log('mousewheel', e)
-    // 课堂信息存在时，不允许翻页
-    if (!!classcourseStore.classcourse) e.preventDefault()
+    e.preventDefault() // 阻止默认事件
     mousewheelListenerThrottle(e)
   }
   const mousewheelListenerThrottle = throttle(function(e: WheelEvent) {
@@ -210,12 +214,17 @@ export default () => {
     }
   }
   // 向上翻页/向下翻页
-  const turning = (e, type) => {
+  const turning = async (e, type) => {
     e.preventDefault() // 阻止默认事件
-    // 课堂信息存在时，不允许翻页
-    if (!!classcourseStore.classcourse) return
     if (type === 'prev') execPrev()
     else if (type === 'next') execNext()
+    if (classcourseStore.classcourse) { // 上课中
+      const current = slideIndex.value
+      const animationSteps = animationIndex.value
+      const animation = type == 'next'?'Nextsteps':'Previoustep'
+      const msg = { current, animation, animationSteps}
+      chatApi.slideFlapping(msg)
+    }
   }
   // 快捷键翻页
   const keydownListener = (e: KeyboardEvent) => {
@@ -230,10 +239,11 @@ export default () => {
       key === KEYS.PAGEDOWN
     ) turning(e, 'next')
   }
-
-  onMounted(() => {document.addEventListener('keydown', keydownListener)})
-  onUnmounted(() => {document.removeEventListener('keydown', keydownListener)})
-
+  if (isLoader) { // 加载相关钩子
+    onMounted(() => {document.addEventListener('keydown', keydownListener)})
+    onUnmounted(() => {document.removeEventListener('keydown', keydownListener)})
+  }
+  
   // 切换到上一张/上一张幻灯片（无视元素的入场动画）
   const turnPrevSlide = () => {
     slidesStore.updateSlideIndex(slideIndex.value - 1)
diff --git a/src/renderer/src/api/teaching/classcourse.js b/src/renderer/src/api/teaching/classcourse.js
index d312f85..d227b2d 100644
--- a/src/renderer/src/api/teaching/classcourse.js
+++ b/src/renderer/src/api/teaching/classcourse.js
@@ -95,3 +95,11 @@ export function getCourseTeachingMsg(id) {
   })
 }
 
+export function setPaging(data) {
+  return request({
+    url: '/education/classcourse/record/paging',
+    method: 'post',
+    data
+  })
+}
+
diff --git a/src/renderer/src/components/choose-textbook/experimentBook.vue b/src/renderer/src/components/choose-textbook/experimentBook.vue
new file mode 100644
index 0000000..cf14940
--- /dev/null
+++ b/src/renderer/src/components/choose-textbook/experimentBook.vue
@@ -0,0 +1,333 @@
+<template>
+    <div class="book-wrap">
+      <el-scrollbar height="100%">
+        <div class="book-name flex" @click="dialogVisible = true">
+          <span>{{ curBook.data.itemtitle }}</span>
+          <i class="iconfont icon-xiangyou"></i>
+        </div>
+        <div class="book-list" v-loading="treeLoading">
+          <el-tree :data="treeData" accordion :props="defaultProps" node-key="id"
+            :default-expanded-keys="defaultExpandedKeys" :current-node-key="curNode.data.id" highlight-current
+            @node-click="handleNodeClick">
+            <template #default="{ node }">
+              <span :title="node.label" class="tree-label">{{ node.label }}</span>
+            </template>
+          </el-tree>
+        </div>
+      </el-scrollbar>
+    </div>
+    <!--弹窗 选择教材-->
+    <el-dialog v-model="dialogVisible" append-to-body :show-close="false" width="550"
+      style="border-radius: 10px; padding: 10px 15px;">
+      <template #header>
+        <div class="choose-book-header flex">
+          <span>切换教材</span>
+          <i class="iconfont icon-guanbi" @click="dialogVisible = false"></i>
+        </div>
+      </template>
+  
+      <div class="textbook-container">
+        <el-scrollbar height="450px">
+          <div class="textbook-item flex" v-for="item in subjectList" :class="curBook.data.id == item.id ? 'active-item' : ''"
+            :key="item.id" @click="changeBook(item)">
+            <img v-if="item.avartar" :src="item.avartar.indexOf('http') === 0 ? item.avartar : BaseUrl + item.avartar" class="textbook-img" alt="">
+            <div v-else class="textbook-img">
+              <i class="iconfont icon-jiaocaixuanze" style="font-size: 40px;"></i>
+            </div>
+            <span class="book-name">{{ item.itemtitle }}</span>
+          </div>
+        </el-scrollbar>
+      </div>
+    </el-dialog>
+</template>
+  
+  <script setup>
+  import { onMounted, ref, nextTick, toRaw, reactive } from 'vue';
+  import { cloneDeep } from 'lodash'
+  import { listEvaluation } from '@/api/subject'
+  import { sessionStore } from '@/utils/store'
+  
+  const BaseUrl = import.meta.env.VITE_APP_BUILD_BASE_PATH
+  // 定义要发送的emit事件
+  const emit = defineEmits(['nodeClick', 'changeBook'])
+  // 章节List
+  const unitList = ref([])
+  const subjectList = ref([])
+  const dialogVisible = ref(false)
+  // 当前教材下面单元内容数据
+  const treeData = ref([])
+  const defaultProps = {
+    children: 'children',
+    label: 'itemtitle',
+    class: 'textbook-tree'
+  }
+  //查当前学科
+  const subjectParams = reactive(
+    {
+    edusubject: '科学',
+    edustage:'小学',
+    itemkey: 'version',
+    orderby: 'orderidx asc',
+    pageSize: 10000
+    }
+  )
+  // 查所有的学科
+  const unitParams = reactive({
+    edusubject:'科学',
+    edustage:'小学',
+    itemgroup: 'textbook',
+    orderby: 'orderidx asc',
+    pageSize: 10000
+    })
+  // 当前选中的教材
+  const curBook = reactive({
+    data: {}
+  })
+  // 当前节点
+  const curNode = reactive({
+    data:{}
+  })
+  const treeLoading = ref(false)
+  // 默认展开的节点
+  const defaultExpandedKeys = ref([])
+  
+  //选择教材
+  const changeBook = (data) => {
+    curBook.data = data
+    treeData.value = getTreeData(data.id)
+    //切换教材后默认展开第一个并选中
+    nextTick(() =>{
+      defaultExpandedKeys.value = [treeData.value[0].id]
+      curNode.data = getLastLevelData(treeData.value)[0]
+      handleNodeClick(curNode.data)
+    })
+    // 延迟关闭 视觉上选中
+    setTimeout(() => {
+      dialogVisible.value = false
+    }, 100);
+  }
+  
+  const getLastLevelData = (tree) => {
+    let lastLevelData = [];
+    // 递归函数遍历树形结构
+    function traverseTree(nodes) {
+      nodes.forEach((node) => {
+        // 如果当前节点有子节点，继续遍历
+        if (node.children && node.children.length > 0) {
+          traverseTree(node.children);
+        } else {
+          // 如果没有子节点，说明是最后一层的节点
+          lastLevelData.push(node);
+        }
+      });
+    }
+  
+    // 调用递归函数开始遍历
+    traverseTree(tree);
+  
+    // 返回最后一层的数据
+    return lastLevelData;
+  }
+  // 根据id 拿到父节点数据
+  const findParentByChildId = (treeData, targetNodeId) => {
+    // 递归查找函数
+    // 遍历树中的每个节点
+    for (let node of treeData) {
+      // 检查当前节点的子节点是否包含目标子节点 ID
+      if (node.children && node.children.some(child => child.id === targetNodeId)) {
+        // 如果当前节点的某个子节点的 ID 匹配目标子节点 ID，则当前节点即为父节点
+        return node;
+      }
+      // 如果当前节点没有匹配的子节点，则递归检查当前节点的子节点
+      if (node.children) {
+        let parentNode = findParentByChildId(node.children, targetNodeId);
+        if (parentNode) {
+          return parentNode;
+        }
+      }
+    }
+    // 如果未找到匹配的父节点，则返回 null 或者适当的默认值
+    return null;
+  }
+  
+  
+  const handleNodeClick = (data) => {
+    /**
+     * data : 当前节点数据
+     */
+    let nodeData = cloneDeep(toRaw(data));
+   
+    //增加一个label 之前取的label
+    nodeData.label = nodeData.itemtitle
+    // 父级节点 如果当前是一级节点 父级则为null
+    let parent = {
+      id: nodeData.parentid,
+      label: nodeData.parenttitle,
+      itemtitle: nodeData.parenttitle
+    } 
+    const parentNode = nodeData.parentid ?  parent : null
+    nodeData.parentNode = parentNode
+    let curData = {
+      textBook: {
+        curBookId: curBook.data.id,
+        curBookName: curBook.data.itemtitle,
+        curBookImg: BaseUrl + curBook.data.avartar,
+        curBookPath: curBook.data.fileurl
+      },
+      node: nodeData
+    }
+    // 本地存储:electron-store
+    emit('nodeClick', curData)
+  }
+  // 单元章节数据转为“树”结构
+  const getTreeData = (bookId) =>{
+    // 根据当前教材的id 查找出对应的章节 
+    let data = unitList.value.filter(item => item.rootid == bookId && item.level == 1)       
+    data.forEach( item => {
+      item.children = unitList.value.filter( item2 => item2.parentid == item.id && item2.level == 2)
+    }) 
+    return data
+  }
+
+
+  onMounted( async () => {
+    treeLoading.value = true
+    try{
+        //获取学科列表
+      const { rows } = await listEvaluation(subjectParams)
+        // 获取所有的教材
+      subjectList.value = rows
+      
+      const res = await listEvaluation(unitParams)
+      unitList.value = [...res.rows]
+      // 当前教材
+        curBook.data = rows[0]
+  
+      // 章节"树"rows
+      treeData.value = getTreeData(rows[0].id)
+      
+      nextTick(() =>{
+        // 默认展开 选中
+        defaultExpandedKeys.value = [treeData.value[0].id]
+        curNode.data = getLastLevelData(treeData.value)[0]
+        handleNodeClick(curNode.data)
+      })
+    
+    } finally{
+      treeLoading.value = false
+    }
+  
+  })
+  
+  </script>
+  
+  <style lang="scss" scoped>
+  .book-wrap {
+    width: 300px;
+    height: 100%;
+    background: #ffffff;
+    border-radius: 10px;
+    box-shadow: 0px 0px 20px 0px rgba(99, 99, 99, 0.06);
+    display: flex;
+    flex-direction: column;
+    position: relative;
+  
+    .book-name {
+      background-color: #ffffff;
+      position: absolute;
+      left: 0;
+      top: 0;
+      width: 100%;
+      height: 45px;
+      padding: 0 15px;
+      z-index: 1;
+      justify-content: space-between;
+      align-items: center;
+      color: #3b3b3b;
+      cursor: pointer;
+      border-bottom: solid #f4f5f7 1px;
+      font-size: 15px;
+      font-weight: 600;
+      border-radius: 10px 10px 0 0;
+    }
+  
+    .book-list {
+      padding: 45px 10px 0 10px;
+      flex: 1;
+    }
+  }
+  
+  :deep(.choose-dialog) {
+    border-radius: 10px;
+  }
+  
+  .choose-book-header {
+    justify-content: space-between;
+    font-size: 15px;
+    font-weight: bold;
+  
+    .icon-guanbi {
+      font-size: 20px;
+      cursor: pointer;
+    }
+  }
+  
+  .textbook-container {
+    .textbook-item {
+      padding: 10px 20px;
+      align-items: center;
+      border-radius: 5px;
+      cursor: pointer;
+  
+      .book-name {
+        margin-left: 20px;
+        color: #3b3b3b;
+        font-size: 13px;
+      }
+  
+      &:hover {
+        background: #f4f7f9;
+      }
+    }
+  
+    .active-item {
+      background-color: #f4f7f9;
+  
+      .book-name {
+        color: #368fff;
+        font-weight: bold
+      }
+    }
+  
+    .textbook-img {
+      width: 55px;
+      height: 70px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+    }
+  }
+  
+  :deep(.el-tree-node) {
+    .el-tree-node__content {
+      height: 40px;
+      border-radius: 10px;
+  
+      &:hover {
+        background-color: #eaf3ff;
+      }
+    }
+  }
+  
+  .tree-label {
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+  
+  :deep(.el-tree--highlight-current .el-tree-node.is-current>.el-tree-node__content) {
+    background-color: #eaf3ff !important;
+    color: #409EFF
+  }
+  </style>
+  
\ No newline at end of file
diff --git a/src/renderer/src/components/grid-pic/index.vue b/src/renderer/src/components/grid-pic/index.vue
index 8913651..4769a98 100644
--- a/src/renderer/src/components/grid-pic/index.vue
+++ b/src/renderer/src/components/grid-pic/index.vue
@@ -1,26 +1,35 @@
 <template>
-  <draggable handle=".header-btn" :draggable="false" item-key="backgroundColor" v-model="gridPicList" class="grid-pic-wrap" :style="getGrid">
-    <template #item="{ element, index }">
-      <div class="grid-pic-item" :key="element.backgroundColor" :style="getWH(element,index)">
-        <div class="delete-btn" @click="gridPicList.splice(index,1)">X</div>
-        <div class="header-btn"></div>
-        <ViewerItem :gridPicList="gridPicList" :index="index" :images="[element.src]"></ViewerItem>
-      </div>
-    </template>
-  </draggable>
-  <el-input style="position:fixed;bottom: 20px;right: 80px;width: 1000px" v-model="inputValue" type="text" />
-  <el-button class="add-btn" @click="addPic">
-    添加
-  </el-button>
+  <div style="position: relative;height: 100%;width: 100%;">
+    <draggable handle=".header-btn" :draggable="false" item-key="backgroundColor" v-model="gridPicList" class="grid-pic-wrap" :style="getGrid">
+      <template #item="{ element, index }">
+        <div class="grid-pic-item" :key="element.backgroundColor" :style="getWH(element,index)">
+          <div class="delete-btn" @click="gridPicList.splice(index,1)">X</div>
+          <div class="header-btn"></div>
+          <ViewerItem :gridPicList="gridPicList" :index="index" :images="element"></ViewerItem>
+        </div>
+      </template>
+    </draggable>
+    <el-input style="position:fixed;bottom: 20px;right: 180px;width: 1000px" v-model="inputValue" type="text" />
+    <el-button class="add-btn" @click="addPic">
+      添加
+    </el-button>
+    <el-button style="position:fixed;bottom: 20px;right: 80px;" @click="startPencil">
+      画笔
+    </el-button>
+    <div class="modal-mode">
+      <canvas id="canvas_pic_001" style="position: absolute;top: 0;left: 0;width: 100%;height: 100%;"></canvas>
+    </div>
+  </div>
 </template>
 
 <script setup>
-  import {ref, computed} from 'vue'
+  import {ref, computed, onMounted} from 'vue'
   import Draggable from 'vuedraggable'
   import ViewerItem from "./viewer-item.vue";
-
+  import Fabric from 'fabric';
   const gridPicList = ref([])
   const inputValue = ref('')
+  const isShow = ref(false)
   // 获取图片样式
   const getWH = (item,index)=>{
     return {
@@ -29,6 +38,14 @@
     }
   }
 
+  const picList = [
+    'https://prev.ysaix.com:7868/src/assets/images/homecard4.jpg',
+    'https://prev.ysaix.com:7868/src/assets/images/homecard3.jpg',
+    'https://prev.ysaix.com:7868/src/assets/images/homecard2.jpg',
+    'https://prev.ysaix.com:7868/src/assets/images/homecard1.jpg',
+    'https://prev.ysaix.com:7868/profile/avatar/2024/06/26/blob_20240626135106A001.png',
+    'https://prev.ysaix.com:7868/assets/app_download.b3fb227b.png'
+  ]
   // 获取grid样式
   const getGrid = computed(() => {
     switch (gridPicList.value.length) {
@@ -106,12 +123,20 @@
     if (gridPicList.value.length >= 9) {
       return
     }
+    let src = inputValue.value||picList[gridPicList.value.length]
+    if (!src) {
+      return;
+    }
     gridPicList.value.push({
-      src: inputValue.value,
+      src: src,
       backgroundColor: getRandomColor()
     })
     inputValue.value = ''
   }
+  //开始画笔
+  const startPencil = () => {
+    isShow.value = !isShow.value
+  }
   // 生成随机颜色
   function getRandomColor() {
     let r = Math.floor(Math.random() * 256).toString(16);
@@ -123,13 +148,38 @@
     b = b.length === 1? '0' + b : b;
     return `#${r}${g}${b}`;
   }
-
+  //初始化画笔
+  const initPend = () => {
+    let canvas = new Fabric.fabric.Canvas('canvas_pic_001',{
+      interactive: false,
+      selection: true,
+      backgroundColor: "rgba(15,15,15,0)"
+    })
+    canvas.defaultCursor = 'default'
+    canvas.setHeight(300)
+    canvas.setWidth(400)
+    canvas.isDrawingMode = true;
+    canvas.freeDrawingBrush = new Fabric.fabric.PencilBrush(canvas)
+    canvas.freeDrawingBrush.width = 1//设置画笔粗细
+    canvas.freeDrawingBrush.color = "red"//设置画笔颜色
+  }
+  onMounted(() => {
+    initPend()
+  })
 </script>
 <style scoped lang="scss">
+.modal-mode{
+  width: 100%;
+  height: 100%;
+  position: absolute;
+  z-index: 1001;
+  background-color: rgba(0, 0, 0, 0.2);
+}
 .grid-pic-wrap{
   width: 100%;
   height: 100%;
   display: grid;
+  position: absolute;
   overflow: hidden;
   .grid-pic-item{
     //animation: fadeIn 0.5s ease-in-out forwards;
diff --git a/src/renderer/src/components/grid-pic/viewer-item.vue b/src/renderer/src/components/grid-pic/viewer-item.vue
index f62bbfc..3a65259 100644
--- a/src/renderer/src/components/grid-pic/viewer-item.vue
+++ b/src/renderer/src/components/grid-pic/viewer-item.vue
@@ -1,13 +1,19 @@
 <template>
-  <viewer :ref="collectRef('viewerRef'+index)" :options="optins" :images="images" class="images clearfix">
-    <template #default="scope">
-      <img v-for="src in scope.images" :key="index" :src="src" style="display: none">
-    </template>
-  </viewer>
+  <div class="viewer-item-wrap" :id="'viewer_id'+index">
+    <Viewer @move="move" @moved="moved" @inited="inited" @zoomed="zoomed" :ref="collectRef('viewerRef'+index)" :options="optins" :images="[images.src]" class="images clearfix">
+      <template #default="scope">
+        <div class="viewer-img-box">
+          <img v-for="src in scope.images" :key="index" :src="src" style="display: none">
+        </div>
+      </template>
+    </Viewer>
+  </div>
 </template>
 <script setup>
-import {ref, watch, nextTick} from "vue";
-
+import {ref, watch, nextTick, onMounted} from "vue";
+import { component as Viewer } from 'v-viewer'
+import Fabric from 'fabric';
+import 'viewerjs/dist/viewer.css'
 const props = defineProps({
   images: {
     type: Object,
@@ -22,7 +28,54 @@ const props = defineProps({
     default: () => []
   }
 })
+let $viewer = null;
 const refs = ref([]);
+//初始化时
+const inited = (viewer) => {
+  $viewer = viewer
+}
+//缩放时
+const zoomed = (e) => {
+  setImgStyle()
+  // console.log('zoomed', e)
+}
+//移动时
+const moved = (e) => {
+  setImgStyle()
+  // console.log('moved',e)
+}
+const move = (e) => {
+  // console.log('move', e)
+}
+const appendCanvasToShow = () => {
+  initImgStyle()
+}
+
+const setImgStyle = () => {
+  let item = window.document.getElementById('viewer_id'+props.index)
+  let canvas = item.querySelectorAll('.viewer-canvas')[0]
+  let img = canvas.querySelectorAll('img')[0]
+  let imgStyle = img.getAttribute('style')
+  imgStyle = imgStyle.replace('relative', 'absolute') + 'z-index: 1002';
+  img.style = imgStyle;
+  let canvasNew = canvas.querySelectorAll('canvas')[0]
+  canvasNew.style = imgStyle;
+}
+
+const initImgStyle = () => {
+  let item = window.document.getElementById('viewer_id'+props.index)
+  let canvas = item.querySelectorAll('.viewer-canvas')[0]
+  let img = canvas.querySelectorAll('img')[0];
+  let imgStyle = img.getAttribute('style')
+  imgStyle = imgStyle.replace('relative', 'absolute') + 'z-index: 1002';
+  img.style = imgStyle;
+  const canvasNew = document.createElement('canvas');
+  canvasNew.style = imgStyle;
+  canvasNew.id = 'canvas_pic_'+props.index
+  canvas.appendChild(canvasNew);
+
+  initPend()
+}
 
 const collectRef = (key) => {
   return (el) => {
@@ -30,30 +83,65 @@ const collectRef = (key) => {
   };
 };
 //viewer配置
-const optins = {
+const optins = ref({
   "inline": true,
   "button": false,
   "navbar": false,
   "title": false,
   "toolbar": false,
   "tooltip": true,
-  "movable": true,
   "zoomable": true,
   "rotatable": true,
+  "movable": false,
   "scalable": true,
   "transition": true,
   "fullscreen": true,
   "keyboard": true
-}
+})
 const initViewers = () => {
   refs.value['viewerRef'+props.index]?.rebuildViewer()
+  setTimeout(()=>{
+    initImgStyle()
+  },300)
 }
+//初始化画笔
+const initPend = () => {
+  let canvas = new Fabric.fabric.Canvas('canvas_pic_'+props.index,{
+    interactive: false,
+    selection: true,
+    backgroundColor: "rgba(15,15,15,0)"
+  })
+  canvas.defaultCursor = 'default'
+  canvas.setHeight(300)
+  canvas.setWidth(400)
+  canvas.isDrawingMode = true;
+  canvas.freeDrawingBrush = new Fabric.fabric.PencilBrush(canvas)
+  canvas.freeDrawingBrush.width = 1//设置画笔粗细
+  canvas.freeDrawingBrush.color = "red"//设置画笔颜色
+}
+
 watch(props.gridPicList, (newValue, oldValue) => {
   nextTick(()=>{
     initViewers()
   })
 });
+
+/*
+watch(props.images, (newValue, oldValue) => {
+    // optins.value.movable = newValue.dragable
+  initPend()
+});
+*/
+
+onMounted(()=>{
+  setTimeout(()=>{
+    appendCanvasToShow()
+  }, 300)
+})
 </script>
 <style scoped lang="scss">
-
+.viewer-item-wrap{
+  width: 100%;
+  height: 100%;
+}
 </style>
diff --git a/src/renderer/src/directive/scroll.js b/src/renderer/src/directive/scroll.js
new file mode 100644
index 0000000..83821e3
--- /dev/null
+++ b/src/renderer/src/directive/scroll.js
@@ -0,0 +1,26 @@
+/**
+ * 无限滚动
+ */
+import { nextTick } from 'vue'
+const mountedHook = async (el, binding) => {
+  console.log(el, binding)
+  const value = binding.value
+  if (typeof value !== 'function') return console.error('v-scroll must be a function')
+  await nextTick()
+}
+export default {
+  // Hooks for Vue3
+  mounted(el, binding) {
+    mountedHook(el, binding)
+  },
+  // Hooks for Vue2
+  inserted(el, binding) {
+    mountedHook(el, binding)
+  },
+  
+  update(el, binding){
+  },
+  updated(el, binding){
+    
+  },
+}
\ No newline at end of file
diff --git a/src/renderer/src/layout/components/Aside.vue b/src/renderer/src/layout/components/Aside.vue
index 7a421c6..ed60198 100644
--- a/src/renderer/src/layout/components/Aside.vue
+++ b/src/renderer/src/layout/components/Aside.vue
@@ -57,9 +57,9 @@ import { ref, watch , reactive, onMounted, onBeforeMount, computed} from 'vue'
 import { useRouter } from 'vue-router'
 import { ElMessageBox, ElMessage } from 'element-plus'
 import useUserStore from '@/store/modules/user'
-import { sessionStore } from '@/utils/store'
 import pkc from "../../../../../package.json"
 import defaultUserImg from '@/assets/images/img-avatar.png'
+import { sessionStore } from '@/utils/store'
 
 
 const { ipcRenderer } = window.electron || {}
@@ -182,9 +182,9 @@ watch(
 
 
 const logout = () => {
-  const hasClass = sessionStore.has('activeClass.id')
-  const  hasTool = sessionStore.get('isToolWin')
-  if (hasClass || hasTool) return ElMessage.warning('当前正在上课，请先结束上课')
+
+  if(!!sessionStore.get('curr.classcourse'))return ElMessage.warning('当前正在上课，请先结束上课')
+
   ElMessageBox.confirm('确认退出系统吗?', '提示', {
     confirmButtonText: '确定',
     cancelButtonText: '取消',
diff --git a/src/renderer/src/main.js b/src/renderer/src/main.js
index ab4962c..a723b75 100644
--- a/src/renderer/src/main.js
+++ b/src/renderer/src/main.js
@@ -17,8 +17,7 @@ import log from 'electron-log/renderer' // 渲染进程日志-文件记录
 import customComponent from '@/components/common' // 自定义组件
 import plugins from './plugins' // plugins插件
 import useUserStore from '@/store/modules/user'
-import VueViewer from 'v-viewer'
-import 'viewerjs/dist/viewer.css'
+
 if(process.env.NODE_ENV != 'development') { // 非开发环境，将日志打印到日志文件
   Object.assign(console, log.functions) // 渲染进程日志-控制台替换
 }
@@ -42,7 +41,6 @@ import Directive from '@/AixPPTist/src/plugins/directive'
 
 app.use(router)
     .use(store)
-    .use(VueViewer)
     .use(ElementPlus, { locale: zhLocale })
     .use(customComponent) // 自定义组件
     .use(plugins)
diff --git a/src/renderer/src/plugins/imChat/msgEnum.js b/src/renderer/src/plugins/imChat/msgEnum.js
index 803aea9..a83fed7 100644
--- a/src/renderer/src/plugins/imChat/msgEnum.js
+++ b/src/renderer/src/plugins/imChat/msgEnum.js
@@ -98,6 +98,8 @@ export class MsgEnum {
     MSG_classlecturePagesrc : 'classlecturePagesrc',
     /** @desc: 课堂作业|活动 */
     MSG_homework : 'HOMEWORK',
+    /** @desc: 公屏 - 课堂作业|活动 */
+    MSG_pushSreen_work : 'pushSreen_work',
     /** @desc: 点赞 */
     MSG_dz : 'dz',
     /** @desc: 疑惑 */
diff --git a/src/renderer/src/utils/resourceDict.js b/src/renderer/src/utils/resourceDict.js
index 07d1d44..9d42b3c 100644
--- a/src/renderer/src/utils/resourceDict.js
+++ b/src/renderer/src/utils/resourceDict.js
@@ -57,24 +57,31 @@ export const  resourceFormat = [
 // 资源类型
 export const resourceType = [
   {
+    id:1,
     label: '课例库',
     value: "'apt','课件','教案'"
   },
-  {
-    label: '作业库',
-    value: '作业',
-    disabled: true
-  },
+  // {
+  //   label: '作业库',
+  //   value: '作业',
+  //   disabled: true
+  // },
 
   {
+    id:2,
     label: '素材库',
     value: "'素材'"
   },
   {
-    label: '习题库',
-    value: '习题',
-    disabled: true
-  }
+    id:3,
+    label: '实验室',
+    value: "'素材'"
+  },
+  // {
+  //   label: '习题库',
+  //   value: '习题',
+  //   disabled: true
+  // }
 ]
 // 年级划分
 export const gradeList = [
diff --git a/src/renderer/src/views/classManage/classReserv.vue b/src/renderer/src/views/classManage/classReserv.vue
index ccb539c..827cd3a 100644
--- a/src/renderer/src/views/classManage/classReserv.vue
+++ b/src/renderer/src/views/classManage/classReserv.vue
@@ -3,16 +3,16 @@
 <!--    <div class="class-reserv-tabs">
       <el-segmented v-model="tabActive" block :options="tabOptions" size="large" />
     </div>-->
-    <div class="class-reserv-body">
+    <div class="class-reserv-body" v-infinite-scroll="load">
       <template v-for="(item, index) in dataList" :key="index">
-        <reserv-item
+        <!-- <reserv-item
           :style="{'background-color': index%2==0?'#f5f5f5':''}"
           :item="item"
           v-if="item.bookImg"
           @open-edit="reservDialog.openDialog(item)"
           @delete-reserv="deleteReserv(item)"
           @change="(...o) => emit('change', ...o)"
-        ></reserv-item>
+        ></reserv-item> -->
         <reserv-item-apt
           v-if="!item.bookImg"
           :style="{'background-color': index%2==0?'#f5f5f5':''}"
@@ -22,13 +22,14 @@
           @change="(...o) => emit('change', ...o)"
         ></reserv-item-apt>
       </template>
+      <el-divider v-if="page.isEnd">到底了，没了</el-divider>
     </div>
     <reserv ref="reservDialog"></reserv>
   </el-container>
 </template>
 
 <script setup>
-import { ref, onMounted, computed, watch } from 'vue'
+import { ref, onMounted, computed, watch, reactive } from 'vue'
 import { getSelfReserv } from '@/api/classManage'
 import { listClasscourseNew } from '@/api/teaching/classcourse' // api接口
 import ReservItem from '@/views/classManage/reserv-item.vue'
@@ -36,6 +37,7 @@ 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 vScroll from '@/directive/scroll' // 指令--滚动
 // import Chat from '@/utils/chat' // im 登录初始化
 // if (!Chat.imChat) Chat.init()
 
@@ -44,6 +46,12 @@ const reservDialog = ref(null)
 const tabOptions = ref(['进行中', '已结束'])
 const tabActive = ref('进行中')
 const dataList = ref([])
+const page = reactive({
+  pageNum: 0, // 页码
+  pageSize: 10, // 每页条数
+  total: 0,  // 总条数
+  isEnd: false // 是否加载完
+})
 
 const toolStore = useToolState()
 const userStore = useUserStore()
@@ -72,21 +80,42 @@ const deleteReserv = (item) => {
 })*/
 // 获取数据
 const getData = () => {
-  Promise.all([listClasscourseNew({teacherid: userStore.id,evalid: props.curNode.id,pageSize:1000}), getSelfReserv({ex2:props.curNode.id})]).then(([res1,res2])=>{
-    let list = res2.data || []
-    let list2 = res1.rows || []
-    // list.sort((a,b) => { if(a.status=='上课中') return -1; else return 0 })
-    list = list.concat(list2)
+  const { pageNum, pageSize } = page
+  const params = {
+    evalid: props.curNode.id,
+    teacherid: userStore.id,
+    pageNum, pageSize
+  }
+  listClasscourseNew(params)
+  .then((res) => {
+    const list = res.rows || []
+    const total = res.total || 0
     list.sort((a,b) => { return new Date(b.createTime) - new Date(a.createTime) })
-    dataList.value = list
+    dataList.value.push(...list)
+    page.total = total // 总条数
+    page.isEnd = dataList.value.length == total // 是否结束
   })
+  // aippt+ppt 获取数据
+  // Promise.all([listClasscourseNew({teacherid: userStore.id,evalid: props.curNode.id,pageSize:1000}), getSelfReserv({ex2:props.curNode.id})]).then(([res1,res2])=>{
+  //   let list = res2.data || []
+  //   let list2 = res1.rows || []
+  //   // list.sort((a,b) => { if(a.status=='上课中') return -1; else return 0 })
+  //   list = list.concat(list2)
+  //   list.sort((a,b) => { return new Date(b.createTime) - new Date(a.createTime) })
+  //   dataList.value = list
+  // })
   /*getSelfReserv().then((res) => {
     const list = res.data || []
     list.sort((a,b) => { if(a.status=='上课中') return -1; else return 0 })
     dataList.value = list
   })*/
 }
-
+// 列表加载更多
+const load = () => {
+  if(page.isEnd) return console.log('已加载完-所有') // 结束
+  page.pageNum++
+  getData()
+}
 watch(
   () => [dataList,toolStore.isToolWin,props.curNode],
   () => {
@@ -96,13 +125,14 @@ watch(
   }
 )
 onMounted(() => {
-  getData() // 加载数据
+  // getData() // 加载数据
 })
 </script>
 
 <style scoped lang="scss">
 .class-reserv-wrap {
   height: 100%;
+  // height: 300px;
   display: flex;
   flex-direction: column;
   //padding: 15px 10px;
diff --git a/src/renderer/src/views/prepare/container/class-start.vue b/src/renderer/src/views/prepare/container/class-start.vue
index c9c518b..3edc5d7 100644
--- a/src/renderer/src/views/prepare/container/class-start.vue
+++ b/src/renderer/src/views/prepare/container/class-start.vue
@@ -61,7 +61,8 @@
               <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>
+                <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>
              <!-- 故障备用 -->
@@ -146,7 +147,7 @@ const open = async (id, classObj) => {
     await getAptInfo(id)
     // 获取班级列表
     getClassList()
-    console.log('classObj', classObj)
+    // console.log('classObj', classObj)
     // 继续上课
     if (!!classObj) {
       dt.ctCourse = classObj
@@ -245,8 +246,8 @@ const getClasscourseList = async type => {
     }
   }
 }
-// 创建课程
-const createClasscourse = async () => {
+// 创建课程  isPublic 公屏上课
+const createClasscourse = async (isPublic = false) => {
   const { classid } = classForm.form
   if (!classid) {
     ElMessage.warning('请选择班级')
@@ -255,8 +256,8 @@ const createClasscourse = async () => {
   dt.loading = true
   const { entpcourseid, evalid, id, coursetitle } = myClassActive.value // 课件对象
   const curDate = commUtil.getDateNow('yyyy-MM-dd')
-  const params = {
-    id: 0, coursetype: '', courseverid: 0, coursedesc: '', status: '',
+  const params = { // 公屏上课直接 status = open
+    id: 0, coursetype: '', courseverid: 0, coursedesc: '', status: isPublic?'open':'',
     teacherid: userStore.id, entpcoursefileid: id, classid,
     entpcourseid, evalid, coursetitle,
     plandate: curDate, opendate: curDate
@@ -274,7 +275,7 @@ const createClasscourse = async () => {
       setTimeout(async() => {
         msgEl.close()
         const res = await Http_Classcourse.getClasscourse(teacherForm.form.classcourseid)
-        openPublicScreen(res.data)
+        openPublicScreen(res.data, isPublic)
       }, 2000);
     }, 1000);
   }
@@ -355,7 +356,7 @@ const getQrUrl = async() => {
 }
 
 // 打开公屏
-const openPublicScreen = (classcourse) => {
+const openPublicScreen = (classcourse, isPublic) => {
   console.log('打开公屏', classcourse)
   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
@@ -366,11 +367,14 @@ const openPublicScreen = (classcourse) => {
   const resource = toRaw(myClassActive.value)
   sessionStore.set('curr.resource', resource) // 缓存当前资源信息
   sessionStore.set('curr.classcourse', classcourse) // 缓存当前当前上课
+  // 公屏开课
+  sessionStore.set('curr.isPublic', isPublic) // 缓存是否公屏开课
   createWindow('open-win', {
     url: '/pptist', // 窗口关闭时，清除缓存
     close: () => {
       sessionStore.set('curr.resource', null) // 清除缓存
       sessionStore.set('curr.classcourse', null) // 清除缓存
+      sessionStore.set('curr.isPublic', null) // 清除缓存
     }
   })
   visible.value = false // 关闭弹窗
diff --git a/src/renderer/src/views/prepare/index.vue b/src/renderer/src/views/prepare/index.vue
index ca770aa..9d3440e 100644
--- a/src/renderer/src/views/prepare/index.vue
+++ b/src/renderer/src/views/prepare/index.vue
@@ -10,7 +10,7 @@
           <el-dropdown-menu>
             <el-dropdown-item @click="createAIPPT">新建文枢课件</el-dropdown-item>
             <el-dropdown-item @click="aiTOPPT">AI一键生成</el-dropdown-item>
-            <el-dropdown-item @click="openGridPic">打开宫格</el-dropdown-item>
+<!--            <el-dropdown-item @click="openGridPic">打开宫格</el-dropdown-item>-->
             <el-dropdown-item @click="openFilePicker">导入PPT</el-dropdown-item>
             <input type="file" ref="fileInput" style="display: none;" @change="handleFileChange" accept="application/vnd.ms-powerpoint,application/vnd.openxmlformats-officedocument.presentationml.presentation">
           </el-dropdown-menu>
@@ -297,7 +297,7 @@ export default {
     },
     currentKJFileList() {
       // return this.currentFileList.filter((item) => item.fileFlag === 'apt' || item.fileFlag === '课件')
-      return this.currentFileList.filter((item) => ['apt','aippt','课件'].includes(item.fileFlag))
+      return this.currentFileList.filter((item) => ['aippt'].includes(item.fileFlag))
     },
     currentSCFileList() {
       // return this.currentFileList.filter((item) => item.fileFlag !== 'apt' && item.fileFlag !== '课件')
@@ -364,8 +364,8 @@ export default {
     // 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')
+      const iscourse = !!sessionStore.get('curr.classcourse')
+      if (iscourse) return ElMessage.warning('公屏已打开，请勿重复操作')
       // 当前上课-store
       sessionStore.set('activeClass', item)
       this.activeClass = item
@@ -376,7 +376,8 @@ export default {
         this.$refs.calssRef.open(item.fileId, classObj)
       }
       if(item.fileFlag === 'aippt') {
-        this.$refs.calssRef.open(item.fileId, classObj)
+        if (!!classObj) this.changeClass('continue', classObj) // 继续上课
+        else this.$refs.calssRef.open(item.fileId, classObj) // 新开课
       }
     },
     // 继续上课-apt
@@ -384,7 +385,19 @@ export default {
       switch(type) {
         case 'continue': { // 继续上课
           const aptFileId = row.entpcoursefileid
-          this.$refs.calssRef.open(aptFileId, row)
+          const res = await getEntpcoursefile(aptFileId)
+          if (res.code == 200) {
+            const resource = res.data
+            if (resource.filetype != 'aippt') this.$refs.calssRef.open(aptFileId, row)
+            else {
+              if (!!sessionStore.get('curr.classcourse')) return ElMessage.warning('公屏已打开，请勿重复操作')
+              const msgEl = ElMessage.warning({message:'正在打开公屏，请稍后...',duration: 0})
+              setTimeout(()=>{
+                msgEl.close()
+                this.openPublicScreen('class', resource, row) // 打开公屏-窗口
+              }, 2000)
+            }
+          } else ElMessage.error(res.msg||'获取课件信息失败')
           break
         }
         case 'close': { // 关闭上课
@@ -437,16 +450,7 @@ export default {
           if (row.fileFlag === 'aippt' && !!row.fileId) {
             const res = await getEntpcoursefile(row.fileId)
             if (res && res.code === 200) {
-              sessionStore.set('curr.resource', res.data) // 缓存当前资源信息
-              sessionStore.set('curr.smarttalk', row) // 缓存当前文件smarttalk
-              createWindow('open-win', {
-                url: '/pptist', // 窗口关闭时，清除缓存
-                close: () => {
-                  sessionStore.set('curr.resource', null) // 清除缓存
-                  sessionStore.set('curr.smarttalk', null) // 清除缓存
-                  this.asyncAllFile() // 刷新资源列表
-                }
-              })
+              this.openPublicScreen('edit', res.data, row) // 打开公屏-窗口
             } else {
               ElMessage.warning(res.msg||'文件获取异常！')
             }
@@ -457,6 +461,7 @@ export default {
         }
         case 'wsApp': { // 发送app端待开课消息
           // console.log('wsApp', row)
+          if (!!sessionStore.get('curr.classcourse')) return ElMessage.warning('公屏已打开，请勿重复操作')
           const head = MsgEnum.HEADS.MSG_0000
           const data = { id: row.id }
           const type = ChatWs.TYPES.single
@@ -471,24 +476,38 @@ export default {
           msgEl.close() // 关闭提示
           const resource = res?.data||{}
           const classcourse = row
-          sessionStore.set('curr.resource', resource) // 缓存当前资源信息
-          sessionStore.set('curr.classcourse', classcourse) // 缓存当前当前上课
-          createWindow('open-win', {
-            url: '/pptist', // 窗口关闭时，清除缓存
-            close: () => {
-              sessionStore.set('curr.resource', null) // 清除缓存
-              sessionStore.set('curr.classcourse', null) // 清除缓存
-            }
-          })
+          this.openPublicScreen('class',resource, classcourse) // 打开公屏-窗口
           break
         }
         default:
           break
       }
     },
+    /**
+     * description 打开公屏
+     * @param {string} type 类型 edit 打开 class 上课
+     * @param {object} resource 资源信息
+     * @param {object} currData 当前数据 type: edit/class 备课信息 | 课堂信息
+     */
+    openPublicScreen(type, resource, currData) {
+      sessionStore.set('curr.resource', resource) // 缓存当前资源信息
+      if (type=='edit') sessionStore.set('curr.smarttalk', currData) // 缓存当前文件smarttalk
+      else sessionStore.set('curr.classcourse', currData) // 缓存当前当前上课
+      createWindow('open-win', {
+        url: '/pptist', // 窗口关闭时，清除缓存
+        close: () => {
+          sessionStore.set('curr.resource', null) // 清除缓存
+          if (type=='edit') {
+            sessionStore.set('curr.smarttalk', null) // 清除缓存
+            this.asyncAllFile() // 刷新资源列表
+          } else sessionStore.set('curr.classcourse', null) // 清除缓存
+        }
+      })
+    },
+
     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) {
diff --git a/src/renderer/src/views/resource/container/components/VideoLog.vue b/src/renderer/src/views/resource/container/components/VideoLog.vue
new file mode 100644
index 0000000..3842f41
--- /dev/null
+++ b/src/renderer/src/views/resource/container/components/VideoLog.vue
@@ -0,0 +1,25 @@
+<template>
+    <el-dialog v-model="model" class="preview-drawer" :title="row.fileShowName" :modal="true" :destroy-on-close="true" :with-header="false" :append-to-body="true"
+    width="60%">
+    <video style="margin: 0 auto;" :src="row.fileFullPath" controls autoplay></video>
+    </el-dialog>
+</template>
+<script setup>
+const model = defineModel()
+const props = defineProps({
+  row: {
+    type: Object,
+    default(){
+      return {}
+    }
+  },
+})
+
+</script>
+<style scoped>
+.header-close {
+  padding: 0;
+  cursor: pointer;
+  text-align: right;
+}
+</style>
\ No newline at end of file
diff --git a/src/renderer/src/views/resource/container/exper-list.vue b/src/renderer/src/views/resource/container/exper-list.vue
new file mode 100644
index 0000000..96ce1ca
--- /dev/null
+++ b/src/renderer/src/views/resource/container/exper-list.vue
@@ -0,0 +1,214 @@
+<template>
+    <div class="page-resource flex">
+      <!-- 左侧 教材 目录 -->
+      <div class="page-right">
+        <!-- 排序 -->
+        <div style="margin-left: 5px;margin-top: 10px;height: 45px;">
+          <el-form size="large">
+            <el-form-item label="排序:">
+              <div 
+                :class="['score-circle', { 'active': active == item.active }]"
+                v-for="(item,index) in screenList" :key="index" @click="chooseItem(item)">
+                <el-text
+                  :style="{fontWeight:'bold', color: active == item.active ? 'rgb(57, 184, 244)':'rgb(131,131,131)' }"
+                  size="large">{{ item.title }}</el-text>
+              </div>
+            </el-form-item>
+          </el-form>
+        </div>
+        <el-scrollbar>
+            <el-empty v-if="!sourceStore.result.list.length" description="暂无数据" />
+            <div class="list-content">
+                <div class="list-container" v-loading="loading">
+                    <div v-for="(item, index) in sourceStore.result.list" :key="index" class="content">
+                    <div class="content-list">
+                    <!-- 封面 -->
+                    <el-image style="width: 100%;border-radius: 8px;" :src="item.coverPic" fit="contain" @click="chooseVedio(item)"/>
+                    
+                    </div>
+                    <!-- 标题 -->
+                    <div style="text-align: left;">
+                        <el-text>{{ item.fileShowName }}</el-text>
+                    </div>
+                    <!-- 观看人数 -->
+                    <!-- <div style="text-align: left;display: flex;align-items: center;">
+                        <el-icon type="info"><View /></el-icon><el-text size="small" type="info">{{ item.nums }}</el-text>
+                    </div> -->
+                    </div>
+                </div>
+            </div>
+        </el-scrollbar>
+        <div class="pagination-box">
+            <el-pagination
+                v-model:current-page="sourceStore.query.pageNum"
+                v-model:page-size="sourceStore.query.pageSize"
+                :page-sizes="[10, 20, 30, 50]"
+                background
+                layout="total, sizes, prev, pager, next, jumper"
+                :total="sourceStore.result.total"
+                @size-change="handleSizeChange"
+                @current-change="handleCurrentChange"
+            />
+        </div>
+      </div>
+    </div>
+    <!-- 播放视频 -->
+    <VideoLog v-model="isShow" :row="curRow"></VideoLog>
+</template>
+  
+  <script setup>
+import { ref, computed } from 'vue'
+import VideoLog from './components/VideoLog.vue'
+import useResoureStore from '../store'
+const sourceStore = useResoureStore()
+// 排序列表
+const screenList = ref([
+{
+    title: '最新发布',
+    active: 1,
+}
+])
+const active = ref(1)
+// 弹出视频
+const isShow = ref(false)
+const curRow = ref({})
+// loading框
+const loading = computed(() => sourceStore.loading)
+const chooseItem = (item) => {
+    active.value = item.active
+}
+// 分页change
+const handleSizeChange = (limit) => {
+  sourceStore.query.pageSize = limit
+  sourceStore.handleQuery()
+}
+const handleCurrentChange = (page) => {
+  sourceStore.query.pageNum = page
+  sourceStore.handleQuery()
+}
+
+
+
+const chooseVedio = (item) => {
+    isShow.value = true
+    curRow.value = item
+    }
+</script>
+
+<style lang="scss" scoped>
+.page-resource {
+    height: 100%;
+    padding: 10px 15px 0;
+
+    .page-right {
+        min-width: 0;
+        display: flex;
+        flex-direction: column;
+        flex: 1;
+        height: 100%;
+    }
+    .icon-jiahao {
+        font-size: 12px;
+        margin-right: 3px;
+        font-weight: bold;
+    }
+}
+.create-btn {
+    font-size: 13px;
+    padding: 5px 13px;
+}
+.list-content {
+    border-radius: 8px;
+    height: 90%;
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
+}
+.list-container {
+    display: flex;
+    flex-wrap: wrap;
+    overflow-y: auto;
+}
+
+.content {
+    border-radius: 8px;
+    //   box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
+    width: calc(20%);
+    cursor: pointer;
+    transition: all 0.3s ease;
+    padding: 5px;
+    display: flex;
+    flex-direction: column;
+    // justify-content: space-between;
+}
+
+.content:hover {
+    transform: translateY(-4px);
+//   box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.15);
+}
+.content-list{
+    height: 150px;
+    display: flex;
+    align-items: center
+}
+
+.item-content {
+    display: flex;
+    align-items: center;
+}
+
+.item-icon {
+    font-size: 24px;
+    color: #409eff;
+    margin-right: 16px;
+}
+
+.item-text {
+    flex: 1;
+}
+
+.item-title {
+    font-size: 16px;
+    font-weight: 500;
+    color: #303133;
+    margin-bottom: 4px;
+    font-weight: bold;
+}
+
+.title-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.item-bottom {
+    text-align: right;
+}
+
+/* 过渡动画 */
+.fade-enter-active, .fade-leave-active {
+    transition: opacity 0.3s;
+}
+
+.fade-enter, .fade-leave-to {
+    opacity: 0;
+}
+.score-circle {
+    background-color: #fff;
+    cursor: pointer;
+    margin-right: 5px;
+    width: auto;
+    text-align: center;
+    padding: 0 10px;
+}
+
+.score-circle.active {
+    background-color: rgb(218, 236, 255);
+    color: white;
+}
+.pagination-box {
+    display: flex;
+    justify-content: center;
+    height: 65px;
+    }
+</style>
\ No newline at end of file
diff --git a/src/renderer/src/views/resource/container/resoure-search.vue b/src/renderer/src/views/resource/container/resoure-search.vue
index 97c3bf2..a74fbbb 100644
--- a/src/renderer/src/views/resource/container/resoure-search.vue
+++ b/src/renderer/src/views/resource/container/resoure-search.vue
@@ -3,19 +3,21 @@
     <el-row justify="space-between">
       <el-col :span="12" class="tab-btns flex">
         <el-button text v-for="item in sourceStore.resourceTypeList" :key="item.id"
-          :type="sourceStore.query.fileFlags == item.value ? 'primary' : ''"
-          @click="sourceStore.changeType(item.value)" :disabled="item.disabled">{{ item.label
+          :type="sourceStore.activeIndex == item.id ? 'primary' : ''"
+          @click="sourceStore.changeType(item)" :disabled="item.disabled">{{ item.label
           }}</el-button>
       </el-col>
 
-      <el-col :span="12" class="search-box flex" v-if="isThird">
-        <el-input v-model="sourceStore.thirdQuery.title" @input="onchangeInput()" style="width: 240px"
-          placeholder="请输入关键词" />
-      </el-col>
-      <el-col :span="12" class="search-box flex" v-else>
-        <el-input v-model="sourceStore.query.fileName" @input="onchangeInput()" style="width: 240px"
-          placeholder="请输入关键词" />
-      </el-col>
+      <template v-if="!isExper">
+        <el-col :span="12" class="search-box flex" v-if="isThird">
+          <el-input v-model="sourceStore.thirdQuery.title" @input="onchangeInput()" style="width: 240px"
+            placeholder="请输入关键词" />
+        </el-col>
+        <el-col :span="12" class="search-box flex" v-else>
+          <el-input v-model="sourceStore.query.fileName" @input="onchangeInput()" style="width: 240px"
+            placeholder="请输入关键词" />
+        </el-col>
+      </template>
     </el-row>
 
 <!--    第三方资源筛选-->
@@ -34,22 +36,24 @@
       <el-col :span="24" class="query-row flex">
         <div class="flex row-left">
       <!--    第三方资源筛选-->
-          <el-select v-if="isThird" v-model="sourceStore.thirdQuery.type" @change="sourceStore.thirdChangeType"
-            style="width: 110px">
-            <el-option v-for="item in coursewareTypeList" :key="item.value" :label="item.label"
-              :value="item.value" />
-          </el-select>
+          <template v-if="!isExper">
+            <el-select v-if="isThird" v-model="sourceStore.thirdQuery.type" @change="sourceStore.thirdChangeType"
+              style="width: 110px">
+              <el-option v-for="item in coursewareTypeList" :key="item.value" :label="item.label"
+                :value="item.value" />
+            </el-select>
 
-         <el-select v-else v-model="sourceStore.query.fileSuffix" @change="sourceStore.changeSuffix"
-            style="width: 110px">
-            <el-option v-for="item in sourceStore.resourceFormatList" :key="item.value" :label="item.label"
-              :value="item.value" />
-          </el-select>
-          <div class="line"></div>
-          <el-button v-for="item in sourceStore.tabs" :key="item.id"
-            :type="sourceStore.query.fileSource == item.value ? 'primary' : ''"
-            @click="sourceStore.changeTab(item.value)">{{
-            item.label }}</el-button>
+          <el-select v-else v-model="sourceStore.query.fileSuffix" @change="sourceStore.changeSuffix"
+              style="width: 110px">
+              <el-option v-for="item in sourceStore.resourceFormatList" :key="item.value" :label="item.label"
+                :value="item.value" />
+            </el-select>
+            <div class="line"></div>
+            <el-button v-for="item in sourceStore.tabs" :key="item.id"
+              :type="sourceStore.query.fileSource == item.value ? 'primary' : ''"
+              @click="sourceStore.changeTab(item.value)">{{
+              item.label }}</el-button>
+          </template>
         </div>
         <div>
           <slot name="add" />
@@ -63,7 +67,10 @@
 import {watch,ref,onMounted} from 'vue'
 import useResoureStore from '../store'
 import {coursewareTypeList} from '@/utils/resourceDict'
+// 是否是第三方资源
 const isThird = ref(false)
+//判断是不是进入实验室
+const isExper = ref(false)
 const sourceStore = useResoureStore()
 // 防抖函数
 const debounce = (fn, t) => {
@@ -85,6 +92,9 @@ onMounted(() => {
 watch(() => sourceStore.query.fileSource,() => {
   sourceStore.query.fileSource === '第三方'?isThird.value = true:isThird.value = false
 })
+watch(() => sourceStore.query.orderByColumn,() => {
+  sourceStore.query.orderByColumn === 'uploadTime'?isExper.value = true:isExper.value = false
+})
 </script>
 <style lang="scss" scoped>
 .resoure-search {
diff --git a/src/renderer/src/views/resource/index.vue b/src/renderer/src/views/resource/index.vue
index 21fdc8f..d7bca11 100644
--- a/src/renderer/src/views/resource/index.vue
+++ b/src/renderer/src/views/resource/index.vue
@@ -1,9 +1,14 @@
 <template>
   <div class="page-resource flex">
     <!--左侧 教材 目录-->
-    <Third v-if="isThird"  @node-click="getDataOther"></Third>
-    <ChooseTextbook v-else @node-click="getData" />
-
+    <template v-if="!isExper">
+      <Third v-if="isThird"  @node-click="getDataOther"/>
+      <ChooseTextbook v-else @node-click="getData" />
+    </template>
+    <!-- 实验室的左侧树结构列表 -->
+    <template v-else>
+      <ExperimentBook @node-click="getExperData"/>
+    </template>
     <div class="page-right">
       <!-- 搜索 -->
       <ResoureSearch #add>
@@ -19,9 +24,14 @@
         >
       </ResoureSearch>
       <!-- 列表 -->
-<!--      第三方列表-->
-      <ThirdList v-if="isThird" />
-      <ResoureList v-else />
+      <template v-if="!isExper">
+        <!--      第三方列表-->
+        <ThirdList v-if="isThird" />
+        <ResoureList v-else />
+      </template>
+      <template v-else>
+        <ExperList/>
+      </template>
     </div>
   </div>
   <!-- 上传弹窗 -->
@@ -33,8 +43,12 @@ import { onMounted, ref, toRaw,watch } from 'vue'
 import useResoureStore from './store'
 import ChooseTextbook from '@/components/choose-textbook/index.vue'
 import Third from '@/components/choose-textbook/third.vue'
+// 科学学科对应实验室
+import ExperimentBook from '@/components/choose-textbook/experimentBook.vue'
 import ResoureSearch from './container/resoure-search.vue'
 import ResoureList from './container/resoure-list.vue'
+// 实验列表
+import ExperList from './container/exper-list.vue'
 import ThirdList from './container/third-list.vue'
 import uploadDialog from '@/components/upload-dialog/index.vue'
 import uploaderState from '@/store/modules/uploader'
@@ -48,6 +62,8 @@ const openDialog = () => {
 }
 //判断是否去查看第三方资源
 const isThird = ref(false)
+//判断是不是进入实验室
+const isExper = ref(false)
 
 // 查询
 const getData = (data) => {
@@ -73,6 +89,7 @@ const getData = (data) => {
   // 头部 教材分析打开外部链接需要当前章节ID
   localStorage.setItem('unitId', JSON.stringify({ levelFirstId, levelSecondId}))
 }
+// 查询第三方资源
 const getDataOther = (data) => {
   sourceStore.thirdQuery.chapterId = data.chapterId
   sourceStore.thirdQuery.bookId = data.bookId
@@ -80,6 +97,19 @@ const getDataOther = (data) => {
   sourceStore.thirdQuery.subjectId = data.subjectId
   sourceStore.handleQuery()
 }
+// 查询科学实验室的资源
+const getExperData = (data) => {
+  const { textBook, node } = data
+  if (node.parentNode) {
+    sourceStore.query.levelFirstId = node.parentNode.id
+    sourceStore.query.levelSecondId = node.id
+  } else {
+    sourceStore.query.levelFirstId = node.id
+    sourceStore.query.levelSecondId = ''
+  }
+  sourceStore.query.textbookId = node.rootid
+  sourceStore.handleQuery()
+}
 
 // 提交文件
 const submitFile = (data) => {
@@ -108,6 +138,15 @@ onMounted(() => {
 watch(() => sourceStore.query.fileSource,() => {
   sourceStore.query.fileSource === '第三方'?isThird.value = true:isThird.value = false
 })
+watch(() => sourceStore.query.orderByColumn,() => {
+  if(sourceStore.query.orderByColumn === 'uploadTime'){
+    isExper.value = true
+    sourceStore.getCreate()
+  }else{
+    isExper.value = false
+  }
+})
+
 </script>
 
 <style lang="scss" scoped>
diff --git a/src/renderer/src/views/resource/store.js b/src/renderer/src/views/resource/store.js
index 247bc0b..1e92c66 100644
--- a/src/renderer/src/views/resource/store.js
+++ b/src/renderer/src/views/resource/store.js
@@ -77,6 +77,7 @@ export default defineStore('resource', {
       list: [],
       total: 0,
     },
+    activeIndex:1
   }),
   actions: {
     handleQuery() {
@@ -119,7 +120,16 @@ export default defineStore('resource', {
       this.handleQuery()
     },
     changeType(val) {
-      this.query.fileFlags = val
+    // 实验列表
+      if(val.label === '实验室'){
+        this.query.orderByColumn = 'uploadTime'
+        this.query.fileSuffix = 'mp4'
+      }else{
+        this.query.orderByColumn = 'createTime'
+        this.query.fileSuffix = ''
+      }
+      this.query.fileFlags = val.value
+      this.activeIndex = val.id
       this.handleQuery()
     },
     thirdChangeType(val) {
@@ -136,7 +146,11 @@ export default defineStore('resource', {
       this.handleQuery()
     },
     getCreate(){
-      if(this.query.fileSource == '平台' || this.query.fileSource == '第三方' ){
+      // 实验的时候也需要进入
+      if((this.query.fileSource == '平台' || this.query.fileSource == '第三方') || this.query.orderByColumn == 'uploadTime' ){
+        if(this.query.orderByColumn == 'uploadTime'){
+          this.query.fileSource = '平台'
+        }
         this.isCreate = hasPermission(['platformmanager'])
       }
       else{