diff --git a/frontend/mock/dashboard.ts b/frontend/mock/dashboard.ts
index 7525cbc..bb8e99b 100644
--- a/frontend/mock/dashboard.ts
+++ b/frontend/mock/dashboard.ts
@@ -88,7 +88,7 @@ const mock: MockMethod[] = [
       },
     },
   },
-  // ===== 新增：车间产量对比 =====
+  // ===== 新增：车间平均单机产量 =====
   {
     url: '/mock-api/admin/dashboard/workshop-production',
     method: 'get',
@@ -96,9 +96,9 @@ const mock: MockMethod[] = [
       code: 0,
       data: {
         items: [
-          { workshopName: 'A栋', quantity: 1280 },
-          { workshopName: 'B栋', quantity: 860 },
-          { workshopName: 'C栋', quantity: 707 },
+          { 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 },
         ],
       },
     },
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index de1ef84..a9d1a0c 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -204,10 +204,12 @@ export interface DashboardTrendItem {
   quantity: number
 }
 
-/** 车间产量对比 */
+/** 车间平均单机产量 */
 export interface WorkshopProduction {
   workshopName: string
   quantity: number
+  machineCount: number
+  avgQuantity: number
 }
 
 /** 机床状态分布 */
diff --git a/frontend/src/views/dashboard/DashboardPage.vue b/frontend/src/views/dashboard/DashboardPage.vue
index 380db19..27d3468 100644
--- a/frontend/src/views/dashboard/DashboardPage.vue
+++ b/frontend/src/views/dashboard/DashboardPage.vue
@@ -94,7 +94,7 @@
       </el-col>
       <el-col :span="12">
         <el-card shadow="hover">
-          <template #header><span class="card-title">车间产量对比（今日）</span></template>
+          <template #header><span class="card-title">车间平均单机产量（今日）</span></template>
           <div ref="workshopChartRef" style="height: 260px"></div>
         </el-card>
       </el-col>
@@ -266,17 +266,24 @@ function initCharts() {
     })
   }
 
-  // 车间产量柱状图
+  // 车间平均单机产量柱状图
   if (workshopChartRef.value && workshopData.value.length) {
     workshopChart = echarts.init(workshopChartRef.value)
     workshopChart.setOption({
-      tooltip: { trigger: 'axis' },
+      tooltip: {
+        trigger: 'axis',
+        formatter: (params: any) => {
+          const d = workshopData.value[params[0].dataIndex]
+          return `${d.workshopName}<br/>平均产量: ${params[0].value} 件/台<br/>总产量: ${d.quantity} 件<br/>机床数: ${d.machineCount} 台`
+        },
+      },
       grid: { left: 50, right: 20, top: 20, bottom: 30 },
       xAxis: { type: 'category', data: workshopData.value.map(i => i.workshopName), axisLabel: { fontSize: 12 } },
-      yAxis: { type: 'value', axisLabel: { fontSize: 12 } },
+      yAxis: { type: 'value', name: '件/台', axisLabel: { fontSize: 12 } },
       series: [{
-        type: 'bar', data: workshopData.value.map(i => i.quantity),
+        type: 'bar', data: workshopData.value.map(i => i.avgQuantity),
         itemStyle: { color: '#67C23A', borderRadius: [4, 4, 0, 0] }, barWidth: '40%',
+        label: { show: true, position: 'top', formatter: '{c} 件/台', fontSize: 12 },
       }],
     })
   }