diff --git a/frontend/mock/dashboard.ts b/frontend/mock/dashboard.ts
index 752271e..b0c9532 100644
--- a/frontend/mock/dashboard.ts
+++ b/frontend/mock/dashboard.ts
@@ -1,4 +1,45 @@
-import type { MockMethod } from './types'
+import type { MockMethod, MockRequest } from './types'
+
+// 日期工具
+function getToday(): string { return new Date().toISOString().slice(0, 10) }
+function daysAgo(n: number): string { const d = new Date(); d.setDate(d.getDate() - n); return d.toISOString().slice(0, 10) }
+
+// 不同日期范围的数据倍率（模拟不同日期的数据差异）
+function getMultiplier(startDate: string, endDate: string): number {
+  const today = getToday()
+  if (startDate === today && endDate === today) return 1.0       // 今日
+  if (startDate === daysAgo(1) && endDate === daysAgo(1)) return 0.92 // 昨日
+  if (startDate === daysAgo(2) && endDate === today) return 0.95      // 近3天
+  if (startDate === daysAgo(6) && endDate === today) return 0.93      // 近7天
+  return 0.88                                                          // 自定义
+}
+
+const baseMachineRank = [
+  { rank: 1, machineId: 1, machineName: '西-1.8', program: '1566.NC', quantity: 580, status: 1 },
+  { rank: 2, machineId: 2, machineName: '西-1.10', program: 'O123.NC', quantity: 420, status: 1 },
+  { rank: 3, machineId: 3, machineName: '东-2.0', program: 'A456.NC', quantity: 380, status: 1 },
+  { rank: 4, machineId: 4, machineName: '东-2.5', program: 'B789.NC', quantity: 310, status: 0 },
+  { rank: 5, machineId: 5, machineName: '南-3.1', program: 'C012.NC', quantity: 290, status: 1 },
+  { rank: 6, machineId: 6, machineName: '南-3.2', program: 'D345.NC', quantity: 240, status: 1 },
+  { rank: 7, machineId: 7, machineName: '北-4.0', program: 'E678.NC', quantity: 210, status: 1 },
+  { rank: 8, machineId: 8, machineName: '北-4.1', program: 'F901.NC', quantity: 180, status: 0 },
+  { rank: 9, machineId: 9, machineName: '西-1.5', program: 'G234.NC', quantity: 150, status: 1 },
+  { rank: 10, machineId: 10, machineName: '东-2.8', program: 'H567.NC', quantity: 87, status: 1 },
+]
+
+const baseWorkerRank = [
+  { rank: 1, workerId: 1, workerName: '张三', machineCount: 3, totalQuantity: 1240 },
+  { rank: 2, workerId: 2, workerName: '李四', machineCount: 2, totalQuantity: 980 },
+  { rank: 3, workerId: 3, workerName: '王五', machineCount: 4, totalQuantity: 870 },
+  { rank: 4, workerId: 4, workerName: '赵六', machineCount: 2, totalQuantity: 650 },
+  { rank: 5, workerId: 5, workerName: '孙七', machineCount: 3, totalQuantity: 520 },
+]
+
+const baseWorkshopProduction = [
+  { workshopName: 'A栋', quantity: 1280, machineCount: 80, avgQuantity: 16.0 },
+  { workshopName: 'B栋', quantity: 860, machineCount: 45, avgQuantity: 19.1 },
+  { workshopName: 'C栋', quantity: 707, machineCount: 35, avgQuantity: 20.2 },
+]
 
 const mock: MockMethod[] = [
   {
@@ -35,38 +76,27 @@ const mock: MockMethod[] = [
   {
     url: '/mock-api/admin/dashboard/machine-rank',
     method: 'get',
-    response: {
-      code: 0,
-      data: {
-        items: [
-          { rank: 1, machineId: 1, machineName: '西-1.8', program: '1566.NC', quantity: 580, status: 1 },
-          { rank: 2, machineId: 2, machineName: '西-1.10', program: 'O123.NC', quantity: 420, status: 1 },
-          { rank: 3, machineId: 3, machineName: '东-2.0', program: 'A456.NC', quantity: 380, status: 1 },
-          { rank: 4, machineId: 4, machineName: '东-2.5', program: 'B789.NC', quantity: 310, status: 0 },
-          { rank: 5, machineId: 5, machineName: '南-3.1', program: 'C012.NC', quantity: 290, status: 1 },
-          { rank: 6, machineId: 6, machineName: '南-3.2', program: 'D345.NC', quantity: 240, status: 1 },
-          { rank: 7, machineId: 7, machineName: '北-4.0', program: 'E678.NC', quantity: 210, status: 1 },
-          { rank: 8, machineId: 8, machineName: '北-4.1', program: 'F901.NC', quantity: 180, status: 0 },
-          { rank: 9, machineId: 9, machineName: '西-1.5', program: 'G234.NC', quantity: 150, status: 1 },
-          { rank: 10, machineId: 10, machineName: '东-2.8', program: 'H567.NC', quantity: 87, status: 1 },
-        ],
-      },
+    response: (req: MockRequest) => {
+      const m = getMultiplier(req.query.startDate, req.query.endDate)
+      return {
+        code: 0,
+        data: {
+          items: baseMachineRank.map(r => ({ ...r, quantity: Math.round(r.quantity * m) })),
+        },
+      }
     },
   },
   {
     url: '/mock-api/admin/dashboard/worker-rank',
     method: 'get',
-    response: {
-      code: 0,
-      data: {
-        items: [
-          { rank: 1, workerId: 1, workerName: '张三', machineCount: 3, totalQuantity: 1240 },
-          { rank: 2, workerId: 2, workerName: '李四', machineCount: 2, totalQuantity: 980 },
-          { rank: 3, workerId: 3, workerName: '王五', machineCount: 4, totalQuantity: 870 },
-          { rank: 4, workerId: 4, workerName: '赵六', machineCount: 2, totalQuantity: 650 },
-          { rank: 5, workerId: 5, workerName: '孙七', machineCount: 3, totalQuantity: 520 },
-        ],
-      },
+    response: (req: MockRequest) => {
+      const m = getMultiplier(req.query.startDate, req.query.endDate)
+      return {
+        code: 0,
+        data: {
+          items: baseWorkerRank.map(r => ({ ...r, totalQuantity: Math.round(r.totalQuantity * m) })),
+        },
+      }
     },
   },
   // ===== 新增：产量趋势(近7天) =====
@@ -92,15 +122,18 @@ const mock: MockMethod[] = [
   {
     url: '/mock-api/admin/dashboard/workshop-production',
     method: 'get',
-    response: {
-      code: 0,
-      data: {
-        items: [
-          { workshopName: 'A栋', quantity: 1280, machineCount: 80, avgQuantity: 16.0 },
-          { workshopName: 'B栋', quantity: 860, machineCount: 45, avgQuantity: 19.1 },
-          { workshopName: 'C栋', quantity: 707, machineCount: 35, avgQuantity: 20.2 },
-        ],
-      },
+    response: (req: MockRequest) => {
+      const m = getMultiplier(req.query.startDate, req.query.endDate)
+      return {
+        code: 0,
+        data: {
+          items: baseWorkshopProduction.map(w => ({
+            ...w,
+            quantity: Math.round(w.quantity * m),
+            avgQuantity: Math.round(w.avgQuantity * m * 10) / 10,
+          })),
+        },
+      }
     },
   },
   // ===== 新增：机床状态分布 =====
diff --git a/frontend/src/views/dashboard/DashboardPage.vue b/frontend/src/views/dashboard/DashboardPage.vue
index 17d4ec2..0fea062 100644
--- a/frontend/src/views/dashboard/DashboardPage.vue
+++ b/frontend/src/views/dashboard/DashboardPage.vue
@@ -134,7 +134,21 @@
       </el-col>
       <el-col :span="12">
         <el-card shadow="hover">
-          <template #header><span class="card-title">车间平均单机产量（今日）<el-tooltip content="各车间今日总产量除以机床数量，反映每台机床的平均产出效率，消除车间规模差异。" placement="top"><span class="info-icon">ⓘ</span></el-tooltip></span></template>
+          <template #header>
+            <div class="card-header">
+              <span class="card-title">车间平均单机产量（{{ workshopDateLabel }}）<el-tooltip content="各车间总产量除以机床数量，反映每台机床的平均产出效率，消除车间规模差异。" placement="top"><span class="info-icon">ⓘ</span></el-tooltip></span>
+              <div class="date-filter">
+                <el-radio-group v-model="workshopDateType" size="small" @change="onWorkshopDateChange">
+                  <el-radio-button value="today">今日</el-radio-button>
+                  <el-radio-button value="yesterday">昨日</el-radio-button>
+                  <el-radio-button value="last3">近3天</el-radio-button>
+                  <el-radio-button value="last7">近7天</el-radio-button>
+                  <el-radio-button value="custom">自定义</el-radio-button>
+                </el-radio-group>
+                <el-date-picker v-if="workshopDateType === 'custom'" v-model="workshopDateRange" type="daterange" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" size="small" value-format="YYYY-MM-DD" :disabled-date="(d: Date) => d > new Date()" style="margin-left: 8px" @change="loadWorkshopData" />
+              </div>
+            </div>
+          </template>
           <div ref="workshopChartRef" style="height: 260px"></div>
         </el-card>
       </el-col>
@@ -181,8 +195,17 @@
         <el-card shadow="hover">
           <template #header>
             <div class="card-header">
-              <span class="card-title">机床产量排行 TOP10<el-tooltip content="今日单台机床加工零件数由高到低排列，同时显示当前正在执行的程序名。" placement="top"><span class="info-icon">ⓘ</span></el-tooltip></span>
-              <span class="card-sub">今日</span>
+              <span class="card-title">机床产量排行 TOP10<el-tooltip content="单台机床加工零件数由高到低排列，同时显示当前正在执行的程序名。" placement="top"><span class="info-icon">ⓘ</span></el-tooltip></span>
+              <div class="date-filter">
+                <el-radio-group v-model="machineDateType" size="small" @change="onMachineDateChange">
+                  <el-radio-button value="today">今日</el-radio-button>
+                  <el-radio-button value="yesterday">昨日</el-radio-button>
+                  <el-radio-button value="last3">近3天</el-radio-button>
+                  <el-radio-button value="last7">近7天</el-radio-button>
+                  <el-radio-button value="custom">自定义</el-radio-button>
+                </el-radio-group>
+                <el-date-picker v-if="machineDateType === 'custom'" v-model="machineDateRange" type="daterange" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" size="small" value-format="YYYY-MM-DD" :disabled-date="(d: Date) => d > new Date()" style="margin-left: 8px" @change="loadMachineRankData" />
+              </div>
             </div>
           </template>
           <el-table :data="machineRank" stripe size="small" style="width: 100%">
@@ -206,8 +229,17 @@
         <el-card shadow="hover">
           <template #header>
             <div class="card-header">
-              <span class="card-title">工人产量排行 TOP10<el-tooltip content="今日工人所绑定的所有机床产量合计，由高到低排列。" placement="top"><span class="info-icon">ⓘ</span></el-tooltip></span>
-              <span class="card-sub">今日</span>
+              <span class="card-title">工人产量排行 TOP10<el-tooltip content="工人所绑定的所有机床产量合计，由高到低排列。" placement="top"><span class="info-icon">ⓘ</span></el-tooltip></span>
+              <div class="date-filter">
+                <el-radio-group v-model="workerDateType" size="small" @change="onWorkerDateChange">
+                  <el-radio-button value="today">今日</el-radio-button>
+                  <el-radio-button value="yesterday">昨日</el-radio-button>
+                  <el-radio-button value="last3">近3天</el-radio-button>
+                  <el-radio-button value="last7">近7天</el-radio-button>
+                  <el-radio-button value="custom">自定义</el-radio-button>
+                </el-radio-group>
+                <el-date-picker v-if="workerDateType === 'custom'" v-model="workerDateRange" type="daterange" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" size="small" value-format="YYYY-MM-DD" :disabled-date="(d: Date) => d > new Date()" style="margin-left: 8px" @change="loadWorkerRankData" />
+              </div>
             </div>
           </template>
           <el-table :data="workerRank" stripe size="small" style="width: 100%">
@@ -223,7 +255,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, onMounted, onUnmounted, nextTick } from 'vue'
+import { ref, computed, onMounted, onUnmounted, nextTick } from 'vue'
 import request from '@/utils/request'
 import { useMockMode } from '@/composables/useMockMode'
 import echarts from '@/utils/echarts'
@@ -245,6 +277,37 @@ const startLoading = ref(false)
 const stopLoading = ref(false)
 const refreshLoading = ref(false)
 
+// 日期筛选状态
+type DateType = 'today' | 'yesterday' | 'last3' | 'last7' | 'custom'
+const workshopDateType = ref<DateType>('today')
+const workshopDateRange = ref<[string, string]>()
+const machineDateType = ref<DateType>('today')
+const machineDateRange = ref<[string, string]>()
+const workerDateType = ref<DateType>('today')
+const workerDateRange = ref<[string, string]>()
+
+const dateLabels: Record<DateType, string> = { today: '今日', yesterday: '昨日', last3: '近3天', last7: '近7天', custom: '自定义' }
+const workshopDateLabel = computed(() => dateLabels[workshopDateType.value])
+const machineDateLabel = computed(() => dateLabels[machineDateType.value])
+const workerDateLabel = computed(() => dateLabels[workerDateType.value])
+
+function getDateRange(type: DateType, customRange?: [string, string]): { startDate: string; endDate: string } {
+  const today = new Date()
+  const fmt = (d: Date) => d.toISOString().slice(0, 10)
+  const endDate = fmt(today)
+  switch (type) {
+    case 'today': return { startDate: endDate, endDate }
+    case 'yesterday': { const y = new Date(today); y.setDate(y.getDate() - 1); const ys = fmt(y); return { startDate: ys, endDate: ys } }
+    case 'last3': { const d = new Date(today); d.setDate(d.getDate() - 2); return { startDate: fmt(d), endDate } }
+    case 'last7': { const d = new Date(today); d.setDate(d.getDate() - 6); return { startDate: fmt(d), endDate } }
+    case 'custom': return { startDate: customRange?.[0] || endDate, endDate: customRange?.[1] || endDate }
+  }
+}
+
+function onWorkshopDateChange() { workshopDateType.value !== 'custom' ? loadWorkshopData() : undefined }
+function onMachineDateChange() { machineDateType.value !== 'custom' ? loadMachineRankData() : undefined }
+function onWorkerDateChange() { workerDateType.value !== 'custom' ? loadWorkerRankData() : undefined }
+
 
 // ECharts refs
 const trendChartRef = ref<HTMLElement>()
@@ -290,23 +353,7 @@ function alertTypeLabel(type: string): string {
   return map[type] || type
 }
 
-function initCharts() {
-  // 产量趋势折线图
-  if (trendChartRef.value && trendData.value.length) {
-    trendChart = echarts.init(trendChartRef.value)
-    trendChart.setOption({
-      tooltip: { trigger: 'axis' },
-      grid: { left: 50, right: 20, top: 20, bottom: 30 },
-      xAxis: { type: 'category', data: trendData.value.map(i => i.date.slice(5)), axisLabel: { fontSize: 12 } },
-      yAxis: { type: 'value', axisLabel: { fontSize: 12 } },
-      series: [{
-        type: 'line', data: trendData.value.map(i => i.quantity), smooth: true,
-        areaStyle: { opacity: 0.15 }, itemStyle: { color: '#409EFF' },
-      }],
-    })
-  }
-
-  // 车间平均单机产量柱状图
+function initWorkshopChart() {
   if (workshopChartRef.value && workshopData.value.length) {
     workshopChart = echarts.init(workshopChartRef.value)
     workshopChart.setOption({
@@ -327,6 +374,26 @@ function initCharts() {
       }],
     })
   }
+}
+
+function initCharts() {
+  // 产量趋势折线图
+  if (trendChartRef.value && trendData.value.length) {
+    trendChart = echarts.init(trendChartRef.value)
+    trendChart.setOption({
+      tooltip: { trigger: 'axis' },
+      grid: { left: 50, right: 20, top: 20, bottom: 30 },
+      xAxis: { type: 'category', data: trendData.value.map(i => i.date.slice(5)), axisLabel: { fontSize: 12 } },
+      yAxis: { type: 'value', axisLabel: { fontSize: 12 } },
+      series: [{
+        type: 'line', data: trendData.value.map(i => i.quantity), smooth: true,
+        areaStyle: { opacity: 0.15 }, itemStyle: { color: '#409EFF' },
+      }],
+    })
+  }
+
+  // 车间平均单机产量柱状图
+  initWorkshopChart()
 
   // 机床状态饼图
   if (statusPieRef.value) {
@@ -357,35 +424,58 @@ function disposeCharts() {
   statusPie = null
 }
 
+async function loadWorkshopData() {
+  try {
+    const { startDate, endDate } = getDateRange(workshopDateType.value, workshopDateRange.value)
+    const res: ApiResponse<{ items: WorkshopProduction }> = await request.get('/admin/dashboard/workshop-production', { params: { startDate, endDate } })
+    workshopData.value = res.data?.items || []
+    workshopChart?.dispose(); workshopChart = null
+    await nextTick(); initWorkshopChart()
+  } catch { /* */ }
+}
+
+async function loadMachineRankData() {
+  try {
+    const { startDate, endDate } = getDateRange(machineDateType.value, machineDateRange.value)
+    const res: ApiResponse<{ items: MachineRankRow[] }> = await request.get('/admin/dashboard/machine-rank', { params: { startDate, endDate } })
+    machineRank.value = res.data?.items || []
+  } catch { /* */ }
+}
+
+async function loadWorkerRankData() {
+  try {
+    const { startDate, endDate } = getDateRange(workerDateType.value, workerDateRange.value)
+    const res: ApiResponse<{ items: WorkerRankRow[] }> = await request.get('/admin/dashboard/worker-rank', { params: { startDate, endDate } })
+    workerRank.value = res.data?.items || []
+  } catch { /* */ }
+}
+
 async function loadData() {
   try {
-    const [summaryRes, collectorRes, machineRankRes, workerRankRes, trendRes, workshopRes, statusRes, alertsRes]: [
-      ApiResponse<DashboardSummary>, ApiResponse<CollectorStatus>, ApiResponse<{ items: MachineRankRow[] }>,
-      ApiResponse<{ items: WorkerRankRow }>, ApiResponse<{ items: DashboardTrendItem[] }>,
-      ApiResponse<{ items: WorkshopProduction }>, ApiResponse<MachineStatusDistribution>,
+    const [summaryRes, collectorRes, trendRes, statusRes, alertsRes]: [
+      ApiResponse<DashboardSummary>, ApiResponse<CollectorStatus>,
+      ApiResponse<{ items: DashboardTrendItem[] }>,
+      ApiResponse<MachineStatusDistribution>,
       ApiResponse<{ items: RecentAlert[] }>
     ] = await Promise.all([
       request.get('/admin/dashboard/summary'),
       request.get('/admin/collector/status'),
-      request.get('/admin/dashboard/machine-rank'),
-      request.get('/admin/dashboard/worker-rank'),
       request.get('/admin/dashboard/trend'),
-      request.get('/admin/dashboard/workshop-production'),
       request.get('/admin/dashboard/machine-status-distribution'),
       request.get('/admin/dashboard/recent-alerts'),
     ])
     summary.value = summaryRes.data || summary.value
     collectorStatus.value = collectorRes.data || collectorStatus.value
-    machineRank.value = machineRankRes.data?.items || []
-    workerRank.value = workerRankRes.data?.items || []
     trendData.value = trendRes.data?.items || []
-    workshopData.value = workshopRes.data?.items || []
     statusDist.value = statusRes.data || statusDist.value
     recentAlerts.value = alertsRes.data?.items || []
 
     disposeCharts()
     await nextTick()
     initCharts()
+
+    // 日期筛选的三个区域独立加载
+    await Promise.all([loadWorkshopData(), loadMachineRankData(), loadWorkerRankData()])
   } catch {
     // 保持容错
   }
@@ -488,11 +578,19 @@ onUnmounted(() => {
     display: flex;
     justify-content: space-between;
     align-items: center;
+    flex-wrap: wrap;
+    gap: 8px;
 
     .card-sub {
       font-size: 12px;
       color: #909399;
     }
+
+    .date-filter {
+      display: flex;
+      align-items: center;
+      flex-wrap: wrap;
+    }
   }
 
   .machine-link {