diff --git a/frontend/src/views/Analytics.vue b/frontend/src/views/Analytics.vue
index af64971..ebd775b 100644
--- a/frontend/src/views/Analytics.vue
+++ b/frontend/src/views/Analytics.vue
@@ -1759,27 +1759,50 @@ const getWarningActionText = (type: string) => {
 
 // 导出数据为 CSV
 const exportData = () => {
+  if (loading.value) {
+    message.warning('数据正在加载中，请稍后再导出')
+    return
+  }
+
   const monthStr = selectedMonth.value || dayjs().format('YYYY-MM')
   let csvContent = '\uFEFF' // BOM for UTF-8 encoding
+
+  const csvEscape = (value: any) => {
+    const str = value === null || value === undefined ? '' : String(value)
+    const escaped = str.replace(/"/g, '""')
+    return /[",\n\r]/.test(escaped) ? `"${escaped}"` : escaped
+  }
+
+  const appendRow = (fields: any[]) => {
+    csvContent += `${fields.map(csvEscape).join(',')}\n`
+  }
   
   // 1. 概览数据
   csvContent += '【核心指标概览】\n'
-  csvContent += '指标,数值\n'
-  csvContent += `总任务数,${overview.value.totalDemands}\n`
-  csvContent += `待处理,${overview.value.pendingDemands}\n`
-  csvContent += `进行中,${inProgressCount.value}\n`
-  csvContent += `已完成,${overview.value.completedDemands}\n`
-  csvContent += `完成率,${completionRate.value}%\n`
-  csvContent += `准时率,${onTimeRate.value}%\n`
+  appendRow(['指标', '数值'])
+  appendRow(['总任务数', overview.value.totalDemands])
+  appendRow(['待处理', overview.value.pendingDemands])
+  appendRow(['进行中', inProgressCount.value])
+  appendRow(['已完成', overview.value.completedDemands])
+  appendRow(['完成率', `${completionRate.value}%`])
+  appendRow(['准时率', `${onTimeRate.value}%`])
   csvContent += '\n'
   
   // 2. 用户需求统计
   if (statistics.userStats && statistics.userStats.length > 0) {
     csvContent += '【用户需求统计】\n'
-    csvContent += '排名,用户名,部门,发起数,完成数,总积分,完成率\n'
+    appendRow(['排名', '用户名', '部门', '发起数', '完成数', '总积分', '完成率'])
     statistics.userStats.forEach((user: any, index: number) => {
       const rate = user.totalDemands > 0 ? ((user.completedDemands / user.totalDemands) * 100).toFixed(1) : '0.0'
-      csvContent += `${index + 1},${user.userName || '-'},${user.deptName || '-'},${user.totalDemands},${user.completedDemands},${formatScore(user.totalScore)},${rate}%\n`
+      appendRow([
+        index + 1,
+        user.realName || user.userName || '-',
+        user.deptName || '-',
+        user.totalDemands,
+        user.completedDemands,
+        formatScore(user.totalScore),
+        `${rate}%`
+      ])
     })
     csvContent += '\n'
   }
@@ -1787,10 +1810,16 @@ const exportData = () => {
   // 3. 部门需求统计
   if (statistics.deptStats && statistics.deptStats.length > 0) {
     csvContent += '【部门需求统计】\n'
-    csvContent += '排名,部门名称,发起数,完成数,完成率\n'
+    appendRow(['排名', '部门名称', '发起数', '完成数', '完成率'])
     statistics.deptStats.forEach((dept: any, index: number) => {
       const rate = dept.totalDemands > 0 ? ((dept.completedDemands / dept.totalDemands) * 100).toFixed(1) : '0.0'
-      csvContent += `${index + 1},${dept.deptName || '-'},${dept.totalDemands},${dept.completedDemands},${rate}%\n`
+      appendRow([
+        index + 1,
+        dept.deptName || '-',
+        dept.totalDemands,
+        dept.completedDemands,
+        `${rate}%`
+      ])
     })
     csvContent += '\n'
   }
@@ -1798,28 +1827,234 @@ const exportData = () => {
   // 4. 设计师绩效
   if (designerPerformance.designerStats && designerPerformance.designerStats.length > 0) {
     csvContent += '【设计师绩效】\n'
-    csvContent += '排名,设计师,部门,接单量,完成量,获得积分,扣分,净积分,目标积分,目标完成率,准时率,评分\n'
+    appendRow(['排名', '设计师', '部门', '接单量', '完成量', '获得积分', '扣分', '净积分', '目标积分', '目标完成率', '准时率', '评分'])
     designerPerformance.designerStats.forEach((designer: any, index: number) => {
-      csvContent += `${index + 1},${designer.realName || '-'},${designer.deptName || '-'},${designer.receivedCount || 0},${designer.completedCount || 0},${formatScore(designer.totalScore)},${formatScore(designer.deductionScore)},${formatScore(designer.netScore)},${designer.targetScore ? formatScore(designer.targetScore) : '-'},${designer.targetScore > 0 ? (designer.targetCompletionRate || 0) + '%' : '-'},${designer.onTimeRate || 0}%,${designer.avgRating?.toFixed(1) || '-'}\n`
+      appendRow([
+        index + 1,
+        designer.realName || '-',
+        designer.deptName || '-',
+        designer.receivedCount || 0,
+        designer.completedCount || 0,
+        formatScore(designer.totalScore),
+        formatScore(designer.deductionScore),
+        formatScore(designer.netScore),
+        designer.targetScore ? formatScore(designer.targetScore) : '-',
+        designer.targetScore > 0 ? `${designer.targetCompletionRate || 0}%` : '-',
+        `${designer.onTimeRate || 0}%`,
+        designer.avgRating?.toFixed(1) || '-'
+      ])
     })
     csvContent += '\n'
   }
   
   // 5. 流程效率指标
   csvContent += '【流程效率指标】\n'
-  csvContent += '指标,本周,上周,本月,目标\n'
+  appendRow(['指标', '本周', '上周', '本月', '目标'])
   efficiencyTableData.value.forEach((row: any) => {
-    csvContent += `${row.metric},${row.week},${row.lastWeek},${row.month},${row.target}\n`
+    appendRow([row.metric, row.week, row.lastWeek, row.month, row.target])
   })
   csvContent += '\n'
   
   // 6. 预警任务
   if (warningTasks.value && warningTasks.value.length > 0) {
     csvContent += '【预警任务】\n'
-    csvContent += '级别,任务名称,处理人,预警原因\n'
+    appendRow(['级别', '任务名称', '处理人', '预警原因'])
     warningTasks.value.forEach((task: any) => {
       const level = task.warningLevel === 'urgent' ? '紧急' : task.warningLevel === 'warning' ? '警告' : '正常'
-      csvContent += `${level},${task.taskTitle || '-'},${task.receiverName || '-'},${task.warningReason || '-'}\n`
+      appendRow([level, task.taskTitle || '-', task.receiverName || '-', task.warningReason || '-'])
+    })
+    csvContent += '\n'
+  }
+
+  // 7. 多维度分析
+  if (dimensionData.categoryAnalysis?.length) {
+    csvContent += '【类目分析】\n'
+    appendRow(['类目名称', '任务数', '总数量', '已完成', '进行中', '完成率', '总积分'])
+    dimensionData.categoryAnalysis.forEach((item: any) => {
+      appendRow([
+        item.categoryName || '-',
+        item.totalTasks || 0,
+        item.totalQuantity || 0,
+        item.completedTasks || 0,
+        item.inProgressTasks || 0,
+        `${formatScore(item.completionRate)}%`,
+        formatScore(item.totalScore)
+      ])
+    })
+    csvContent += '\n'
+  }
+
+  if (dimensionData.brandAnalysis?.length) {
+    csvContent += '【品牌分析】\n'
+    appendRow(['品牌名称', '任务数', '总数量', '已完成', '进行中', '完成率', '总积分'])
+    dimensionData.brandAnalysis.forEach((item: any) => {
+      appendRow([
+        item.brandName || '-',
+        item.totalTasks || 0,
+        item.totalQuantity || 0,
+        item.completedTasks || 0,
+        item.inProgressTasks || 0,
+        `${formatScore(item.completionRate)}%`,
+        formatScore(item.totalScore)
+      ])
+    })
+    csvContent += '\n'
+  }
+
+  if (dimensionData.receivingDeptAnalysis?.length) {
+    csvContent += '【接单部门分析】\n'
+    appendRow(['部门名称', '部门人数', '任务数', '人均任务', '总数量', '已完成', '进行中', '完成率', '总积分', '平均耗时'])
+    dimensionData.receivingDeptAnalysis.forEach((item: any) => {
+      appendRow([
+        item.deptName || '-',
+        item.memberCount || 0,
+        item.totalTasks || 0,
+        formatScore(item.avgTasksPerMember),
+        item.totalQuantity || 0,
+        item.completedTasks || 0,
+        item.inProgressTasks || 0,
+        `${formatScore(item.completionRate)}%`,
+        formatScore(item.totalScore),
+        item.avgCompletionHours ? `${formatScore(item.avgCompletionHours)}h` : '-'
+      ])
+    })
+    csvContent += '\n'
+  }
+
+  if (dimensionData.demandDeptAnalysis?.length) {
+    csvContent += '【需求部门分析】\n'
+    appendRow(['部门名称', '部门人数', '任务数', '人均任务', '总数量', '已完成', '待处理', '完成率', '总积分'])
+    dimensionData.demandDeptAnalysis.forEach((item: any) => {
+      appendRow([
+        item.deptName || '-',
+        item.memberCount || 0,
+        item.totalTasks || 0,
+        formatScore(item.avgTasksPerMember),
+        item.totalQuantity || 0,
+        item.completedTasks || 0,
+        item.pendingTasks || 0,
+        `${formatScore(item.completionRate)}%`,
+        formatScore(item.totalScore)
+      ])
+    })
+    csvContent += '\n'
+  }
+
+  if (dimensionData.platformAnalysis?.length) {
+    csvContent += '【平台分析】\n'
+    appendRow(['平台名称', '任务数', '总数量', '已完成', '进行中', '完成率', '总积分'])
+    dimensionData.platformAnalysis.forEach((item: any) => {
+      appendRow([
+        item.platformName || '-',
+        item.totalTasks || 0,
+        item.totalQuantity || 0,
+        item.completedTasks || 0,
+        item.inProgressTasks || 0,
+        `${formatScore(item.completionRate)}%`,
+        formatScore(item.totalScore)
+      ])
+    })
+    csvContent += '\n'
+  }
+
+  const exportTaskTypeAnalysis = (title: string, data: any[]) => {
+    if (!data?.length) return
+    csvContent += `【${title}】\n`
+    appendRow(['父级分类', '类型名称', '任务数', '总数量', '已完成', '进行中', '待接单', '完成率', '准时率', '总积分', '平均积分', '单价分值', '预估工时', '平均完成时长'])
+    data.forEach((item: any) => {
+      appendRow([
+        item.parentName || '-',
+        item.typeName || '-',
+        item.totalTasks || 0,
+        item.totalQuantity || 0,
+        item.completedTasks || 0,
+        item.inProgressTasks || 0,
+        item.pendingTasks || 0,
+        `${formatScore(item.completionRate)}%`,
+        `${formatScore(item.onTimeRate)}%`,
+        formatScore(item.totalScore),
+        formatScore(item.avgScore),
+        formatScore(item.unitScore),
+        item.estimatedHours ? `${formatScore(item.estimatedHours)}h` : '-',
+        item.avgCompletionHours ? `${formatScore(item.avgCompletionHours)}h` : '-'
+      ])
+    })
+    csvContent += '\n'
+  }
+
+  exportTaskTypeAnalysis('任务类型分析（一级分类）', dimensionData.taskTypeAnalysis || [])
+  exportTaskTypeAnalysis('任务类型分析（二级分类）', (dimensionData.taskTypeLevel2Analysis || []).map((item: any) => ({ ...item, parentName: item.parentName || '-' })))
+  exportTaskTypeAnalysis('任务类型分析（三级分类）', (dimensionData.taskTypeLevel3Analysis || []).map((item: any) => ({ ...item, parentName: item.parentName || '-' })))
+
+  // 8. 一级需求部门统计
+  if (primaryDeptStats) {
+    csvContent += '【一级需求部门统计】\n'
+    appendRow(['指标', '数值'])
+    appendRow(['发起任务数', primaryDeptStats.totalTasks || 0])
+    appendRow(['审核通过', primaryDeptStats.approvedTasks || 0])
+    appendRow(['审核驳回', primaryDeptStats.rejectedTasks || 0])
+    appendRow(['消耗积分', formatScore(primaryDeptStats.consumedScore)])
+    appendRow(['待处理', primaryDeptStats.pendingTasks || 0])
+    appendRow(['进行中', primaryDeptStats.inProgressTasks || 0])
+    appendRow(['已完成', primaryDeptStats.completedTasks || 0])
+    csvContent += '\n'
+  }
+
+  if (primaryDeptRanking.value?.length) {
+    csvContent += '【一级需求部门排名】\n'
+    appendRow(['排名', '部门名称', '一级部门', '二级部门', '发起任务数', '审核通过率', '消耗积分', '平均响应时间', '已完成', '进行中'])
+    primaryDeptRanking.value.forEach((item: any, index: number) => {
+      appendRow([
+        item.rank || index + 1,
+        item.deptName || '-',
+        item.firstLevelDeptName || '-',
+        item.secondLevelDeptName || '-',
+        item.taskCount || 0,
+        `${formatScore(item.approvalRate)}%`,
+        formatScore(item.consumedScore),
+        item.avgResponseHours ? `${formatScore(item.avgResponseHours)}h` : '-',
+        item.completedCount || 0,
+        item.inProgressCount || 0
+      ])
+    })
+    csvContent += '\n'
+  }
+
+  if (brandDistribution.value?.length) {
+    csvContent += '【品牌任务分布（一级需求）】\n'
+    appendRow(['品牌名称', '任务数', '占比', '负责部门', '消耗积分', '已完成'])
+    brandDistribution.value.forEach((item: any) => {
+      appendRow([
+        item.brandName || '-',
+        item.taskCount || 0,
+        `${formatScore(item.percentage)}%`,
+        item.responsibleDeptName || '-',
+        formatScore(item.consumedScore),
+        item.completedCount || 0
+      ])
+    })
+    csvContent += '\n'
+  }
+
+  if (primaryDeptUserRanking.value?.length) {
+    csvContent += '【一级需求部门用户排名】\n'
+    appendRow(['排名', '用户姓名', '部门名称', '一级部门', '二级部门', '发起任务数', '审核通过数', '审核驳回数', '审核通过率', '消耗积分', '已完成', '进行中', '待审核'])
+    primaryDeptUserRanking.value.forEach((item: any, index: number) => {
+      appendRow([
+        item.rank || index + 1,
+        item.userName || '-',
+        item.deptName || '-',
+        item.firstLevelDeptName || '-',
+        item.secondLevelDeptName || '-',
+        item.taskCount || 0,
+        item.approvedCount || 0,
+        item.rejectedCount || 0,
+        `${formatScore(item.approvalRate)}%`,
+        formatScore(item.consumedScore),
+        item.completedCount || 0,
+        item.inProgressCount || 0,
+        item.pendingCount || 0
+      ])
     })
     csvContent += '\n'
   }