diff --git a/src/renderer/src/AixPPTist/src/views/Editor/Toolbar/ElementStylePanel/ImageStylePanel.vue b/src/renderer/src/AixPPTist/src/views/Editor/Toolbar/ElementStylePanel/ImageStylePanel.vue
index 02a794f..e4f2919 100644
--- a/src/renderer/src/AixPPTist/src/views/Editor/Toolbar/ElementStylePanel/ImageStylePanel.vue
+++ b/src/renderer/src/AixPPTist/src/views/Editor/Toolbar/ElementStylePanel/ImageStylePanel.vue
@@ -89,8 +89,6 @@ import ButtonGroup from '../../../../components/ButtonGroup.vue'
 import Popover from '../../../../components/Popover.vue'
 import NumberInput from '../../../../components/NumberInput.vue'
 import { PPTApi } from '../../../../api'
-import { Console } from 'node:console'
-import { x64 } from 'crypto-js'
 const shapeClipPathOptions = CLIPPATHS
 const ratioClipOptions = [
   {
diff --git a/src/renderer/src/components/whiteboard/whiteboard.vue b/src/renderer/src/components/whiteboard/whiteboard.vue
index 1c8b781..7aabd4e 100644
--- a/src/renderer/src/components/whiteboard/whiteboard.vue
+++ b/src/renderer/src/components/whiteboard/whiteboard.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="whiteboart-container" :style="{ height: height + 'px' }">
-    <div class="canvasBox" ref="box"></div>
+    <div class="canvasBox" ref="box"  @mouseleave="handleMouseLeave" ></div>
 
     <div class="footerLeft" @click.stop
       :style="type == 'design' ? ['top: 10px', 'justify-content: space-between'] : ['bottom: 10px', 'justify-content: center']">
@@ -278,7 +278,7 @@
 </template>
 
 <script setup>
-import { onMounted, ref, watch, toRaw, nextTick, computed, reactive, defineProps, defineEmits } from 'vue'
+import { onMounted, ref, getCurrentInstance, watch, toRaw, nextTick, computed, reactive, defineProps, defineEmits } from 'vue'
 import TinyWhiteboard from 'whiteboard_lyc'
 import ColorPicker from './components/ColorPicker.vue'
 import {
@@ -305,6 +305,7 @@ import { fontFamilyList, fontSizeList } from './constants'
 
 const borderImg = new URL('../../../src/assets/images/borderwidth.png', import.meta.url).href
 const pointerImg = new URL('../../../src/assets/images/mouse-pointer.png', import.meta.url).href
+const { proxy } = getCurrentInstance()
 
 const props = defineProps({
   modelValue: {
@@ -507,10 +508,6 @@ const backToCenter = () => {
   app.scrollToCenter()
 }
 
-const cancelActiveElement = () =>{
-  app.cancelActiveElement()
-}
-
 
 // 显示全部
 const showFit = () => {
@@ -716,8 +713,15 @@ watch(() => props.data, (newVal) => {
 
 // dom元素挂载完成
 onMounted(() => {
-  // 创建实例
-  app = new TinyWhiteboard({
+  init();
+})
+
+/**
+ * 初始化画布内容
+ */
+const init = () => {
+   // 创建实例
+   app = new TinyWhiteboard({
     container: box.value,
     drawType: currentType.value,
     state: {
@@ -737,6 +741,7 @@ onMounted(() => {
   })
   // 监听元素激活事件
   app.on('activeElementChange', element => {
+    console.log('点击元素 监听 activeElementChange-----------')
     if (activeElement.value) {
       activeElement.value.off('elementRotateChange', onElementRotateChange)
     }
@@ -784,7 +789,17 @@ onMounted(() => {
       app.resize()
     }, 300)
   })
-})
+}
+
+/**
+ * 课堂展示-鼠标离开白板监听事件：该事件是避免，选中状态，在其他地方点击、后退、删除等事件，会删除白板内选中的元素
+ */
+const handleMouseLeave = () => {
+  console.log('离开白板')
+  // 清除激活项--点击事件的激活项
+  app.cancelActiveElement()
+  // TODO 缺失点击拖动范围的取消激活项……
+};
 
 // 暴露方法
 defineExpose({
@@ -795,7 +810,6 @@ defineExpose({
   getCanvasBase64,
   setCanvasData,
   getCanvasBlob,
-  cancelActiveElement
 })
 </script>
 
diff --git a/src/renderer/src/views/classTask/newClassTaskAssign/index.vue b/src/renderer/src/views/classTask/newClassTaskAssign/index.vue
index 2df3a3d..f702ea2 100644
--- a/src/renderer/src/views/classTask/newClassTaskAssign/index.vue
+++ b/src/renderer/src/views/classTask/newClassTaskAssign/index.vue
@@ -68,8 +68,7 @@
       </div>
       <div v-if="(currentRow.worktype == '课堂展示' || classWorkForm.worktype == '课堂展示') && currentRow.id>0" class="page-center">
         <div v-loading="boardLoading" class="board-wrap" style="height: 100%; flex: 1; overflow: hidden;">
-          <!-- <whiteboard v-if="isShowBoard" ref="boardref" :height="mainHeight - 150" :isShowSave="false" :data="whiteboardObj"/> -->
-          <whiteboard ref="boardref" height="100%" width="100%" :isShowSave="false" :data="classWorkForm.whiteboardObj"/>
+          <whiteboard ref="boardref" height="100%" width="100%" :isShowSave="false" :data="classWorkForm.whiteboardObj" />
         </div>
       </div>
       <div v-if="(currentRow.worktype == '常规作业' || classWorkForm.worktype == '常规作业')&& currentRow.id>0" class="page-center">
diff --git a/src/renderer/src/views/profile/cropperImage.vue b/src/renderer/src/views/profile/cropperImage.vue
index ac19786..f75630d 100644
--- a/src/renderer/src/views/profile/cropperImage.vue
+++ b/src/renderer/src/views/profile/cropperImage.vue
@@ -206,7 +206,7 @@ export default {
         width: 200px;
         height: 200px;
         position: relative;
-        left: 150px;
+        left: 100px;
         overflow: hidden;
         border-radius: 50%;
       }
diff --git a/src/renderer/src/views/profile/userAvatar.vue b/src/renderer/src/views/profile/userAvatar.vue
index 56142b7..a0cc82e 100644
--- a/src/renderer/src/views/profile/userAvatar.vue
+++ b/src/renderer/src/views/profile/userAvatar.vue
@@ -6,6 +6,7 @@
       append-to-body
       @opened="modalOpened"
       @close="closeDialog"
+      width="100px"
     >
       <CropperImage
         ref="cropper"