diff --git a/src/AppV2.vue b/src/AppV2.vue
new file mode 100644
index 0000000..1ea59ce
--- /dev/null
+++ b/src/AppV2.vue
@@ -0,0 +1,24 @@
+<template>
+  <div id="app">
+    <IndexV2 />
+  </div>
+</template>
+
+<script>
+import IndexV2 from '@/v2/design.vue'
+
+export default {
+  name: 'AppV2',
+  components: {
+    IndexV2
+  }
+}
+</script>
+
+<style>
+#app {
+  width: 100%;
+  height: 100%;
+  font-family: Arial, sans-serif;
+}
+</style>
\ No newline at end of file
diff --git a/src/assets/chart-bar.png b/src/assets/chart-bar.png
new file mode 100644
index 0000000..37e8eae
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diff --git a/src/assets/chart-line.png b/src/assets/chart-line.png
new file mode 100644
index 0000000..081ee0b
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diff --git a/src/assets/chart-pie.png b/src/assets/chart-pie.png
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index 0000000..4d74870
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diff --git a/src/assets/table-basic.png b/src/assets/table-basic.png
new file mode 100644
index 0000000..f2a5de4
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diff --git a/src/assets/table-paged.png b/src/assets/table-paged.png
new file mode 100644
index 0000000..f2a5de4
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diff --git a/src/assets/text-paragraph.png b/src/assets/text-paragraph.png
new file mode 100644
index 0000000..0b6c04b
Binary files /dev/null and b/src/assets/text-paragraph.png differ
diff --git a/src/assets/text-title.png b/src/assets/text-title.png
new file mode 100644
index 0000000..beca9e2
Binary files /dev/null and b/src/assets/text-title.png differ
diff --git a/src/main.js b/src/main.js
index b03b12e..abeab96 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,5 +1,6 @@
 import Vue from 'vue'
-import App from './App.vue'
+//import App from './App.vue'
+import App from './AppV2.vue'
 import ElementUI from 'element-ui'
 import 'element-ui/lib/theme-chalk/index.css'
 
diff --git a/src/v2/components/Canvas.vue b/src/v2/components/Canvas.vue
new file mode 100644
index 0000000..05d7d39
--- /dev/null
+++ b/src/v2/components/Canvas.vue
@@ -0,0 +1,65 @@
+<template>
+  <div class="canvas">
+    <div class="canvas-content">
+      <component 
+        v-for="(element, index) in elements"
+        :key="index"
+        :is="element.component" 
+        :option="element.option"   
+        :style="{
+          position: 'absolute',
+          left: (element.option && element.option.left) ? element.option.left + 'px' : 
+                (element.option && element.option.x) ? element.option.x + 'px' : '100px',
+          top: (element.option && element.option.top) ? element.option.top + 'px' : 
+               (element.option && element.option.y) ? element.option.y + 'px' : '100px',
+          width: (element.option && element.option.width) ? element.option.width + 'px' : 'auto',
+          height: (element.option && element.option.height) ? element.option.height + 'px' : 'auto',
+          border: activeIndex === index ? '2px solid #1890ff' : '1px dashed #ccc'
+        }"
+        @click.native="selectElement(index)"
+      /> 
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'Canvas',
+  props: {
+    elements: {
+      type: Array,
+      default: () => []  // 默认空数组
+    }
+  },
+  data() {
+    return {
+      activeIndex: -1
+    }
+  },
+  methods: {
+    selectElement(index) {
+      this.activeIndex = index
+      this.$emit('element-selected', index)
+    }
+  }
+}
+</script>
+
+<style scoped>
+.canvas {
+  width: 100%;
+  height: 100%;
+  position: relative;
+}
+
+.canvas-content {
+  width: 800px;
+  height: 600px;
+  margin: 0 auto;
+  background: white;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+  position: relative;
+}
+
+/* 移除.canvas-element样式，由组件自身控制 */
+</style>
\ No newline at end of file
diff --git a/src/v2/components/LayerPanel.vue b/src/v2/components/LayerPanel.vue
new file mode 100644
index 0000000..c3f3081
--- /dev/null
+++ b/src/v2/components/LayerPanel.vue
@@ -0,0 +1,61 @@
+<template>
+  <div class="layer-panel">
+    <div class="panel-header">
+      <h3>图层</h3>
+    </div>
+    <div class="layer-list">
+      <div 
+        class="layer-item" 
+        v-for="(element, index) in elements" 
+        :key="index"
+        @click="$emit('layer-selected', index)"
+      >
+        {{ element.name || `元素${index + 1}` }}
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'LayerPanel',
+  props: {
+    elements: {
+      type: Array,
+      default: () => []
+    }
+  }
+}
+</script>
+
+<style scoped>
+.layer-panel {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+.panel-header {
+  padding: 8px 12px;
+  border-bottom: 1px solid #e1e4e8;
+  height: 40px; /* 固定高度 */
+  min-height: 40px; /* 确保不会压缩 */
+  display: flex;
+  align-items: center;
+}
+
+.layer-list {
+  flex: 1;
+  overflow-y: auto;
+}
+
+.layer-item {
+  padding: 10px;
+  border-bottom: 1px solid #eee;
+  cursor: pointer;
+}
+
+.layer-item:hover {
+  background: #e9e9e9;
+}
+</style>
\ No newline at end of file
diff --git a/src/v2/components/PropertyPanel.vue b/src/v2/components/PropertyPanel.vue
new file mode 100644
index 0000000..ad73c97
--- /dev/null
+++ b/src/v2/components/PropertyPanel.vue
@@ -0,0 +1,170 @@
+<template>
+    <div class="property-panel">
+        <div class="panel-header">
+            <h3>属性设置</h3>
+        </div>
+        <div class="tabs">
+            <button v-for="tab in tabs" :key="tab" @click="currentTab = tab" :class="{ active: currentTab === tab }">
+                {{ tab }}
+            </button>
+        </div>
+
+        <div class="tab-content" v-if="element">
+            <div v-for="(tab, tabIndex) in tabs" :key="tabIndex" v-show="currentTab === tab">
+                <div class="form-group" v-for="(prop, propIndex) in groupedProps[tab]" :key="propIndex">
+                    <label>{{ prop.label }}</label>
+                    <input 
+                        :type="prop.type" 
+                        v-model="element.option[prop.name]"
+                        :disabled="prop.disabled"
+                        @change="updateElementOption">
+                </div>
+            </div>
+        </div>
+    </div>
+</template>
+
+<script>
+export default {
+    name: 'PropertyPanel',
+    props: {
+        element: {
+            type: Object,
+            default: () => ({
+                name: '未选择',
+                type: 'none',
+                props: [],
+                option: {
+                    width: 100,
+                    height: 50,
+                    x: 0,
+                    y: 0,
+                    backgroundColor: '#ffffff'
+                }
+            })
+        },
+        index: Number
+    },
+    computed: {
+        groupedProps() {
+            if(!this.element){
+                return [];
+            }
+            const groups = {}
+            // 基础属性组
+            groups['基础'] = [
+                { name: 'name', type: 'string', label: '名称' },
+                { name: 'type', type: 'string', label: '类型', disabled: true }
+            ]
+            
+            // 样式属性组
+            groups['样式'] = [
+                { name: 'width', type: 'number', label: '宽度', group: '样式' },
+                { name: 'height', type: 'number', label: '高度', group: '样式' },
+                { name: 'x', type: 'number', label: 'X坐标', group: '样式' },
+                { name: 'y', type: 'number', label: 'Y坐标', group: '样式' },
+                { name: 'backgroundColor', type: 'color', label: '背景色', group: '样式' }
+            ]
+            this.element.props = this.element.props || [];
+            // 动态添加element.props中的属性
+            this.element.props.forEach(prop => {
+                if (!groups[prop.group]) {
+                    groups[prop.group] = []
+                }
+                groups[prop.group].push(prop)
+            })
+
+            return groups
+        },
+        tabs() {
+            return Object.keys(this.groupedProps)
+        }
+    },
+    methods: {
+        updateElementOption() {
+            console.log('updateElementOption', this.element)
+            this.$emit('update-element', {
+                index: this.index,
+                element: this.element
+            })
+        }
+    },
+    data() {
+        return { 
+            currentTab: '基础'
+        }
+    },
+    watch: {
+    },
+    created() {
+
+    }
+}
+</script>
+
+<style scoped>
+.property-panel {
+    height: 100%;
+    display: flex;
+    flex-direction: column;
+    font-size: 14px;
+    /* 添加固定字体大小 */
+}
+
+.panel-header {
+    padding: 8px 12px;
+    border-bottom: 1px solid #e1e4e8;
+    height: 40px;
+    min-height: 40px;
+    display: flex;
+    align-items: center;
+    font-size: 16px;
+    /* 标题稍大一点 */
+}
+
+.tab-content {
+    flex: 1;
+    overflow-y: auto;
+}
+
+.tabs {
+    display: flex;
+    border-bottom: 1px solid #ddd;
+}
+
+.tabs button {
+    flex: 1;
+    padding: 10px;
+    background: none;
+    border: none;
+    cursor: pointer;
+}
+
+.tabs button.active {
+    background: #e9e9e9;
+    border-bottom: 2px solid #1890ff;
+}
+
+.tab-content {
+    flex: 1;
+    overflow-y: auto;
+    padding: 10px;
+}
+
+.form-group {
+    margin-bottom: 15px;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 5px;
+    font-weight: bold;
+}
+
+.form-group input {
+    width: 100%;
+    padding: 5px;
+    border: 1px solid #ddd;
+    border-radius: 3px;
+}
+</style>
\ No newline at end of file
diff --git a/src/v2/components/Toolbar.vue b/src/v2/components/Toolbar.vue
new file mode 100644
index 0000000..cfae134
--- /dev/null
+++ b/src/v2/components/Toolbar.vue
@@ -0,0 +1,151 @@
+<template>
+  <div class="toolbar">
+    <div class="toolbar-left">
+    </div>
+    
+    <!-- 修改为鼠标经过效果 -->
+    <div class="component-selector">
+      <div 
+        class="component-category"
+        v-for="category in componentCategories"
+        :key="category.name"
+        @mouseenter="activeCategory = category.name"
+        @mouseleave="activeCategory = ''"
+      >
+        {{ category.name }}
+        <div 
+          class="component-list"
+          v-if="activeCategory === category.name"
+          @mouseenter="activeCategory = category.name"
+        >
+          <div 
+            class="component-item"
+            v-for="item in category.items"
+            :key="item.name"
+            @click="addToCanvas(item)"
+          >
+            <img :src="item.icon" :alt="item.name">
+            <span>{{ item.name }}</span>
+          </div>
+        </div>
+      </div>
+    </div>
+    
+    <div class="toolbar-right">
+      <button @click="clearCache">清除</button>
+      <button>保存</button>
+      <button>预览</button> 
+    </div>
+  </div>
+</template>
+
+<script>
+import { getComponentCategories } from './componentData'
+
+export default {
+  name: 'Toolbar',
+  data() {
+    return {
+      activeCategory: '',
+      componentCategories: getComponentCategories() // 从外部文件加载
+    }
+  },
+  methods: {
+    addToCanvas(item) {
+      const newItem = {
+        ...item,
+        option: {
+          ...item.defaultOption,
+          name : item.name,
+          type : item.type,
+          ...item.option
+        }
+      }
+      this.$emit('add-component', newItem)
+      this.activeCategory = ''
+    },
+    clearCache() {
+      localStorage.removeItem('canvasElements')
+      this.$emit('clear-canvas') // 通知父组件清空画布
+    }
+  }
+}
+</script>
+
+<style scoped>
+.toolbar {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 0 20px;
+  position: relative;
+}
+
+.component-selector {
+  display: flex;
+  gap: 15px;
+}
+
+.component-category {
+  position: relative;
+  padding: 8px 15px;
+  cursor: pointer;
+  background: #2c3e50;
+  color: white;
+  border-radius: 4px;
+}
+
+/* 移除悬停显示样式，改回点击显示 */
+/* .component-category:hover .component-list {
+  display: block;
+} */
+
+.component-list {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  background: #2c3e50;
+  border: 1px solid #3d5166;
+  border-radius: 4px;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
+  z-index: 100;
+  min-width: 150px;
+  padding: 10px;
+  /* 移除display:none，由v-if控制显示 */
+}
+
+.component-item {
+  display: flex;
+  align-items: center;
+  padding: 8px;
+  cursor: pointer;
+  transition: background 0.2s;
+  color: white; /* 确保文字为白色 */
+}
+
+.component-item:hover {
+  background: #3d5166; /* 悬停背景色 */
+}
+
+.component-item img {
+  width: 24px;
+  height: 24px;
+  margin-right: 8px;
+  filter: brightness(0) invert(1); /* 使图标变为白色 */
+}
+
+/* 原有按钮样式保持不变 */
+.toolbar button {
+  margin: 0 5px;
+  padding: 5px 10px;
+  background: #333;
+  color: white;
+  border: none;
+  border-radius: 3px;
+  cursor: pointer;
+}
+
+.toolbar button:hover {
+  background: #555;
+}
+</style>
\ No newline at end of file
diff --git a/src/v2/components/componentData.js b/src/v2/components/componentData.js
new file mode 100644
index 0000000..954086b
--- /dev/null
+++ b/src/v2/components/componentData.js
@@ -0,0 +1,107 @@
+export const componentList = [
+  {
+    id: 'chart-line',
+    name: '线图',
+    type: 'line-chart',
+    icon: require('@/assets/chart-line.png'),
+    groupName: '图表',
+    component: () => import('./elements/chart-line.vue') // 新增组件引用
+  },
+  {
+    id: 'chart-bar',
+    name: '柱图',
+    type: 'bar-chart',
+    icon: require('@/assets/chart-bar.png'),
+    groupName: '图表',
+    component: () => import('./elements/chart-bar.vue'),
+    props: [
+      {
+        name: 'title',
+        type: 'string',
+        label: '标题',
+        default: '柱图标题',
+        group: '基础'
+      },
+      {
+        name: 'dbName',
+        type: 'string',
+        label: '数据源对象',
+        default: '',
+        group: '数据'
+      },
+    ]
+  },
+  {
+    id: 'chart-pie',
+    name: '饼图',
+    type: 'pie-chart',
+    icon: require('@/assets/chart-pie.png'),
+    groupName: '图表',
+    component: () => import('./elements/chart-pie.vue'),
+    props: [  // 新增props数组
+      {
+        name: 'title',
+        type: 'string',
+        label: '标题',
+        default: '饼图标题',
+        group: '基础'
+      },
+      {
+        name: 'dbName',
+        type: 'string',
+        label: '数据源对象',
+        default: '',
+        group: '数据'
+      },
+    ],
+    defaultOption: {
+      x: 100,
+      y: 100,
+      width: 300,
+      height: 300
+    }
+  },
+  {
+    id: 'table-basic',
+    name: '基础表格',
+    type: 'basic-table',
+    icon: require('@/assets/table-basic.png'),
+    groupName: '表格'
+  },
+  {
+    id: 'table-paged',
+    name: '分页表格',
+    type: 'paged-table',
+    icon: require('@/assets/table-paged.png'),
+    groupName: '表格'
+  },
+  {
+    id: 'text-title',
+    name: '标题',
+    type: 'title-text',
+    icon: require('@/assets/text-title.png'),
+    groupName: '文字'
+  },
+  {
+    id: 'text-paragraph',
+    name: '正文',
+    type: 'paragraph',
+    icon: require('@/assets/text-paragraph.png'),
+    groupName: '文字'
+  }
+]
+
+// 根据groupName分组
+export function getComponentCategories() {
+  const groups = {}
+  componentList.forEach(item => {
+    if (!groups[item.groupName]) {
+      groups[item.groupName] = {
+        name: item.groupName,
+        items: []
+      }
+    }
+    groups[item.groupName].items.push(item)
+  })
+  return Object.values(groups)
+}
\ No newline at end of file
diff --git a/src/v2/components/elements/chart-bar.vue b/src/v2/components/elements/chart-bar.vue
new file mode 100644
index 0000000..b1a64ad
--- /dev/null
+++ b/src/v2/components/elements/chart-bar.vue
@@ -0,0 +1,24 @@
+<template>
+  <div class="chart-bar"> 
+    <h3>{{ option }}</h3>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'ChartBar',
+  props: {
+    // 组件属性
+    option: {
+      type: Object,
+      default: () => ({})
+    }
+  }
+}
+</script>
+
+<style scoped>
+.chart-bar {
+  /* 组件样式 */
+}
+</style>
\ No newline at end of file
diff --git a/src/v2/components/elements/chart-line.vue b/src/v2/components/elements/chart-line.vue
new file mode 100644
index 0000000..374dd69
--- /dev/null
+++ b/src/v2/components/elements/chart-line.vue
@@ -0,0 +1,25 @@
+<template>
+  <div class="chart-line">
+    <!-- 线图组件内容 -->
+    <h3>{{ option }}</h3>
+  </div>
+</template>
+
+<script>
+export default {
+  name: 'ChartLine',
+  props: {
+    // 组件属性
+    option: {
+      type: Object,
+      default: () => ({})
+    }
+  }
+}
+</script>
+
+<style scoped>
+.chart-line {
+  /* 组件样式 */
+}
+</style>
\ No newline at end of file
diff --git a/src/v2/components/elements/chart-pie.vue b/src/v2/components/elements/chart-pie.vue
new file mode 100644
index 0000000..fac0fdf
--- /dev/null
+++ b/src/v2/components/elements/chart-pie.vue
@@ -0,0 +1,82 @@
+<template>
+  <div class="chart-pie" ref="chartDom" style="width: 100%; height: 100%;"></div>
+</template>
+
+<script>
+import * as echarts from 'echarts';
+
+export default {
+  name: 'ChartPie',
+  props: {
+    // 组件属性
+    // 组件属性
+    option: {
+      type: Object,
+      default: () => ({})
+    }
+  },
+  data() {
+    return {
+      chartInstance: null
+    }
+  },
+  mounted() {
+    this.initChart();
+  },
+  beforeDestroy() {
+    if (this.chartInstance) {
+      this.chartInstance.dispose();
+    }
+  },
+  methods: {
+    initChart() {
+      this.chartInstance = echarts.init(this.$refs.chartDom);
+      
+      const option = {
+        title: {
+          text: this.option.name,
+          left: 'center'
+        },
+        tooltip: {
+          trigger: 'item'
+        },
+        legend: {
+          orient: 'vertical',
+          left: 'left'
+        },
+        series: [
+          {
+            name: '访问来源',
+            type: 'pie',
+            radius: '50%',
+            data: [
+              { value: 1048, name: '搜索引擎' },
+              { value: 735, name: '直接访问' },
+              { value: 580, name: '邮件营销' },
+              { value: 484, name: '联盟广告' },
+              { value: 300, name: '视频广告' }
+            ],
+            emphasis: {
+              itemStyle: {
+                shadowBlur: 10,
+                shadowOffsetX: 0,
+                shadowColor: 'rgba(0, 0, 0, 0.5)'
+              }
+            }
+          }
+        ]
+      };
+
+      this.chartInstance.setOption(option);
+       
+    } 
+  }
+}
+</script>
+
+<style scoped>
+.chart-pie {
+  width: 100%;
+  height: 400px;
+}
+</style>
\ No newline at end of file
diff --git a/src/v2/design.vue b/src/v2/design.vue
new file mode 100644
index 0000000..2521c38
--- /dev/null
+++ b/src/v2/design.vue
@@ -0,0 +1,145 @@
+<template>
+  <div class="bi-designer">
+    <!-- 顶部工具栏 -->
+    <toolbar 
+      @add-component="handleAddComponent"
+      @clear-canvas="handleClearCanvas"
+    ></toolbar>
+    
+    <div class="main-content">
+      <!-- 左侧图层面板 -->
+      <layer-panel 
+        :elements="elements"
+        @layer-selected="handleElementSelected"
+      ></layer-panel>
+      
+      <!-- 中间画布区域 -->
+      <div class="canvas-container">
+        <canvas-component 
+          :elements="elements" 
+          @element-selected="handleElementSelected" 
+        ></canvas-component>
+        <property-panel 
+          :element="selectedElement" 
+          :index="selectedIndex"
+          @update-element="handleUpdateElement"
+        ></property-panel>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import Toolbar from './components/Toolbar.vue'
+import LayerPanel from './components/LayerPanel.vue'
+import CanvasComponent from './components/Canvas.vue'
+import PropertyPanel from './components/PropertyPanel.vue'
+
+export default {
+  components: {
+    Toolbar,
+    LayerPanel,
+    CanvasComponent,
+    PropertyPanel
+  },
+  data() {
+    return {
+    selectedElement:null,
+    selectedIndex:-1,
+      elements: JSON.parse(localStorage.getItem('canvasElements')) || [] // 从缓存加载或默认空数组
+    }
+  },
+  mounted() { 
+  },
+  methods: {
+    handleAddComponent(component) {
+    console.log(component)  
+      this.elements.push({
+        ...component,
+        x: 100,
+        y: 100
+      })
+      this.saveToStorage()
+    },
+    saveToStorage() {
+      localStorage.setItem('canvasElements', JSON.stringify(this.elements))
+    }
+    ,
+    handleClearCanvas() {
+      this.elements = []
+      this.saveToStorage()
+    },  // 这里添加缺少的逗号
+    handleElementSelected(index) {
+      this.selectedIndex = index
+      this.selectedElement = index >= 0 ? {...this.elements[index]} : null
+    },
+    handleUpdateElement({index, element}) {
+      this.$set(this.elements, index, element)
+      this.saveToStorage()
+    }
+  }
+}
+</script>
+
+<style>
+/* 全局基础字体大小 */
+html, body {
+  font-size: 14px !important;
+}
+</style>
+
+<style scoped>
+.bi-designer {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+  width: 100%;
+  margin: 0;
+  padding: 0;
+  overflow: hidden;
+  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
+}
+
+.toolbar {
+  height: 48px;
+  background: #1f2329;
+  color: #fff;
+  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
+  z-index: 10;
+}
+
+.main-content {
+  display: flex;
+  flex: 1;
+  overflow: hidden;
+  background: #f5f6f7;
+}
+
+.layer-panel {
+  width: 240px;
+  background: #fff;
+  border-right: 1px solid #e1e4e8;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+
+.canvas-container {
+  flex: 1;
+  padding: 16px;
+  overflow: auto;
+  background: #f5f6f7;
+  display: flex;
+  justify-content: center;
+  align-items: flex-start;
+}
+
+.property-panel {
+  width: 280px;
+  background: #fff;
+  border-left: 1px solid #e1e4e8;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+</style>
\ No newline at end of file
diff --git a/src/v2/index.vue b/src/v2/index.vue
new file mode 100644
index 0000000..c3ce931
--- /dev/null
+++ b/src/v2/index.vue
@@ -0,0 +1,115 @@
+<template>
+  <div class="bi-designer">
+     <canvas-component 
+          :elements="elements"  
+        ></canvas-component>
+    </div>
+  </div>
+</template>
+
+<script> 
+import CanvasComponent from './components/Canvas.vue' 
+
+export default {
+  components: { 
+    CanvasComponent 
+  },
+  data() {
+    return { 
+      elements: JSON.parse(localStorage.getItem('canvasElements')) || [] // 从缓存加载或默认空数组
+    }
+  },
+  mounted() { 
+  },
+  methods: {
+    handleAddComponent(component) {
+    console.log(component)  
+      this.elements.push({
+        ...component,
+        x: 100,
+        y: 100
+      })
+      this.saveToStorage()
+    },
+    saveToStorage() {
+      localStorage.setItem('canvasElements', JSON.stringify(this.elements))
+    }
+    ,
+    handleClearCanvas() {
+      this.elements = []
+      this.saveToStorage()
+    },  // 这里添加缺少的逗号
+    handleElementSelected(index) {
+      this.selectedIndex = index
+      this.selectedElement = index >= 0 ? {...this.elements[index]} : null
+    },
+    handleUpdateElement({index, element}) {
+      this.$set(this.elements, index, element)
+      this.saveToStorage()
+    }
+  }
+}
+</script>
+
+<style>
+/* 全局基础字体大小 */
+html, body {
+  font-size: 14px !important;
+}
+</style>
+
+<style scoped>
+.bi-designer {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+  width: 100%;
+  margin: 0;
+  padding: 0;
+  overflow: hidden;
+  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
+}
+
+.toolbar {
+  height: 48px;
+  background: #1f2329;
+  color: #fff;
+  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
+  z-index: 10;
+}
+
+.main-content {
+  display: flex;
+  flex: 1;
+  overflow: hidden;
+  background: #f5f6f7;
+}
+
+.layer-panel {
+  width: 240px;
+  background: #fff;
+  border-right: 1px solid #e1e4e8;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+
+.canvas-container {
+  flex: 1;
+  padding: 16px;
+  overflow: auto;
+  background: #f5f6f7;
+  display: flex;
+  justify-content: center;
+  align-items: flex-start;
+}
+
+.property-panel {
+  width: 280px;
+  background: #fff;
+  border-left: 1px solid #e1e4e8;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+</style>
\ No newline at end of file