diff --git a/backend/routers/dashboard.py b/backend/routers/dashboard.py
index 7e2595d..ad0a6ff 100644
--- a/backend/routers/dashboard.py
+++ b/backend/routers/dashboard.py
@@ -116,6 +116,47 @@ def get_dashboard(
             "profit_loss": settlement.get("profit_loss"),
         })
 
+    # ── 图表数据：近30天每日产出趋势 ──
+    daily_trend = []
+    for i in range(29, -1, -1):
+        d = today - timedelta(days=i)
+        day_secs = db.query(sa_func.sum(Submission.total_seconds)).filter(
+            Submission.submit_date == d,
+            Submission.total_seconds > 0,
+        ).scalar() or 0
+        daily_trend.append({
+            "date": str(d),
+            "seconds": round(day_secs, 1),
+        })
+
+    # ── 图表数据：成本构成 ──
+    total_labor_all = 0.0
+    total_ai_all = 0.0
+    total_outsource_all = 0.0
+    for p in active + completed:
+        total_labor_all += calc_labor_cost_for_project(p.id, db)
+        total_ai_all += calc_ai_tool_cost_for_project(p.id, db)
+        total_outsource_all += calc_outsource_cost_for_project(p.id, db)
+
+    cost_breakdown = [
+        {"name": "人力成本", "value": round(total_labor_all, 0)},
+        {"name": "AI工具", "value": round(total_ai_all, 0)},
+        {"name": "外包", "value": round(total_outsource_all, 0)},
+    ]
+
+    # ── 图表数据：各项目产出对比（进行中项目） ──
+    project_comparison = []
+    for p in active:
+        total_secs_p = db.query(sa_func.sum(Submission.total_seconds)).filter(
+            Submission.project_id == p.id,
+            Submission.total_seconds > 0,
+        ).scalar() or 0
+        project_comparison.append({
+            "name": p.name,
+            "submitted": round(total_secs_p, 0),
+            "target": p.target_total_seconds,
+        })
+
     return {
         "active_projects": len(active),
         "completed_projects": len(completed),
@@ -126,6 +167,10 @@ def get_dashboard(
         "projects": project_summaries,
         "waste_ranking": waste_ranking,
         "settled_projects": settled,
+        # 图表数据
+        "daily_trend": daily_trend,
+        "cost_breakdown": cost_breakdown,
+        "project_comparison": project_comparison,
     }
 
 
diff --git a/frontend/src/views/Dashboard.vue b/frontend/src/views/Dashboard.vue
index 4178d8b..0bf6cd5 100644
--- a/frontend/src/views/Dashboard.vue
+++ b/frontend/src/views/Dashboard.vue
@@ -32,6 +32,18 @@
       </div>
     </div>
 
+    <!-- 图表行：产出趋势 + 成本构成 -->
+    <div class="chart-row">
+      <div class="card chart-card wide">
+        <div class="card-header"><span class="card-title">近 30 天产出趋势</span></div>
+        <div class="card-body"><div ref="trendChartRef" class="chart-container"></div></div>
+      </div>
+      <div class="card chart-card narrow">
+        <div class="card-header"><span class="card-title">成本构成</span></div>
+        <div class="card-body"><div ref="costChartRef" class="chart-container"></div></div>
+      </div>
+    </div>
+
     <!-- 项目进度 -->
     <div class="card">
       <div class="card-header">
@@ -48,12 +60,7 @@
             </div>
             <span class="progress-pct">{{ p.progress_percent }}%</span>
           </div>
-          <el-progress
-            :percentage="Math.min(p.progress_percent, 100)"
-            :color="p.is_overdue ? '#FF3B30' : '#3370FF'"
-            :stroke-width="6"
-            :show-text="false"
-          />
+          <el-progress :percentage="Math.min(p.progress_percent, 100)" :color="p.is_overdue ? '#FF3B30' : '#3370FF'" :stroke-width="6" :show-text="false" />
           <div class="progress-meta">
             <span>{{ formatSecs(p.submitted_seconds) }} / {{ formatSecs(p.target_seconds) }}</span>
             <span v-if="p.waste_rate > 0" :style="{color: p.waste_rate > 30 ? '#FF3B30' : '#8F959E'}">损耗 {{ p.waste_rate }}%</span>
@@ -63,59 +70,57 @@
       </div>
     </div>
 
-    <div class="two-col">
-      <!-- 损耗排行 -->
-      <div class="card">
-        <div class="card-header"><span class="card-title">损耗排行</span></div>
-        <div class="card-body">
-          <el-table :data="data.waste_ranking" size="small">
-            <el-table-column prop="project_name" label="项目" />
-            <el-table-column label="损耗" align="right" width="100">
-              <template #default="{ row }">{{ formatSecs(row.waste_seconds) }}</template>
-            </el-table-column>
-            <el-table-column label="损耗率" align="right" width="90">
-              <template #default="{ row }">
-                <span class="rate-badge" :class="{ danger: row.waste_rate > 30 }">{{ row.waste_rate }}%</span>
-              </template>
-            </el-table-column>
-          </el-table>
-          <el-empty v-if="!data.waste_ranking?.length" description="暂无数据" :image-size="60" />
-        </div>
+    <!-- 图表行：项目产出对比 + 损耗排行 -->
+    <div class="chart-row">
+      <div class="card chart-card half">
+        <div class="card-header"><span class="card-title">项目产出对比</span></div>
+        <div class="card-body"><div ref="comparisonChartRef" class="chart-container"></div></div>
       </div>
+      <div class="card chart-card half">
+        <div class="card-header"><span class="card-title">损耗排行</span></div>
+        <div class="card-body"><div ref="wasteChartRef" class="chart-container"></div></div>
+      </div>
+    </div>
 
-      <!-- 已结算项目 -->
-      <div class="card">
-        <div class="card-header"><span class="card-title">已结算项目</span></div>
-        <div class="card-body">
-          <el-table :data="data.settled_projects" size="small">
-            <el-table-column prop="project_name" label="项目" />
-            <el-table-column label="总成本" align="right" width="100">
-              <template #default="{ row }">¥{{ formatNum(row.total_cost) }}</template>
-            </el-table-column>
-            <el-table-column label="盈亏" align="right" width="100">
-              <template #default="{ row }">
-                <span v-if="row.profit_loss != null" class="profit" :class="{ loss: row.profit_loss < 0 }">
-                  {{ row.profit_loss >= 0 ? '+' : '' }}¥{{ formatNum(row.profit_loss) }}
-                </span>
-                <span v-else class="text-muted">—</span>
-              </template>
-            </el-table-column>
-          </el-table>
-          <el-empty v-if="!data.settled_projects?.length" description="暂无数据" :image-size="60" />
-        </div>
+    <!-- 已结算项目 -->
+    <div class="card" v-if="data.settled_projects?.length">
+      <div class="card-header"><span class="card-title">已结算项目</span></div>
+      <div class="card-body">
+        <el-table :data="data.settled_projects" size="small">
+          <el-table-column prop="project_name" label="项目" />
+          <el-table-column label="总成本" align="right" width="120">
+            <template #default="{ row }">¥{{ formatNum(row.total_cost) }}</template>
+          </el-table-column>
+          <el-table-column label="盈亏" align="right" width="120">
+            <template #default="{ row }">
+              <span v-if="row.profit_loss != null" class="profit" :class="{ loss: row.profit_loss < 0 }">
+                {{ row.profit_loss >= 0 ? '+' : '' }}¥{{ formatNum(row.profit_loss) }}
+              </span>
+              <span v-else class="text-muted">—</span>
+            </template>
+          </el-table-column>
+        </el-table>
       </div>
     </div>
   </div>
 </template>
 
 <script setup>
-import { ref, onMounted } from 'vue'
+import { ref, onMounted, onUnmounted, nextTick } from 'vue'
 import { dashboardApi } from '../api'
+import * as echarts from 'echarts'
 
 const loading = ref(false)
 const data = ref({})
 const typeTagMap = { '客户正式项目': 'success', '客户测试项目': 'warning', '内部原创项目': '', '内部测试项目': 'info' }
 
+const trendChartRef = ref(null)
+const costChartRef = ref(null)
+const comparisonChartRef = ref(null)
+const wasteChartRef = ref(null)
+
+let trendChart, costChart, comparisonChart, wasteChart
+
 function formatNum(n) { return (n || 0).toLocaleString('zh-CN', { maximumFractionDigits: 0 }) }
 function formatSecs(s) {
   if (!s) return '0秒'
@@ -124,35 +129,142 @@ function formatSecs(s) {
   return m > 0 ? `${m}分${sec > 0 ? sec + '秒' : ''}` : `${sec}秒`
 }
 
+// ── 图表公共配置 ──
+const chartFont = '-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif'
+const gridBase = { left: 48, right: 16, top: 24, bottom: 32 }
+
+function initTrendChart(trend) {
+  if (!trendChartRef.value || !trend?.length) return
+  trendChart = echarts.init(trendChartRef.value)
+  trendChart.setOption({
+    tooltip: { trigger: 'axis', formatter: p => `${p[0].axisValue}<br/>产出 <b>${formatSecs(p[0].value)}</b>` },
+    grid: gridBase,
+    xAxis: {
+      type: 'category',
+      data: trend.map(d => d.date.slice(5)),
+      axisLabel: { fontSize: 11, color: '#8F959E' },
+      axisLine: { lineStyle: { color: '#E5E6EB' } },
+      axisTick: { show: false },
+    },
+    yAxis: {
+      type: 'value',
+      axisLabel: { fontSize: 11, color: '#8F959E', formatter: v => v >= 60 ? Math.floor(v/60) + 'm' : v + 's' },
+      splitLine: { lineStyle: { color: '#F0F1F2' } },
+    },
+    series: [{
+      type: 'line',
+      data: trend.map(d => d.seconds),
+      smooth: true,
+      symbol: 'circle',
+      symbolSize: 4,
+      lineStyle: { width: 2.5, color: '#3370FF' },
+      itemStyle: { color: '#3370FF' },
+      areaStyle: {
+        color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
+          { offset: 0, color: 'rgba(51,112,255,0.15)' },
+          { offset: 1, color: 'rgba(51,112,255,0.01)' },
+        ]),
+      },
+    }],
+  })
+}
+
+function initCostChart(breakdown) {
+  if (!costChartRef.value || !breakdown?.length) return
+  const total = breakdown.reduce((s, b) => s + b.value, 0)
+  costChart = echarts.init(costChartRef.value)
+  costChart.setOption({
+    tooltip: { formatter: p => `${p.name}<br/>¥${p.value.toLocaleString()} (${((p.value/Math.max(total,1))*100).toFixed(1)}%)` },
+    legend: { bottom: 0, textStyle: { fontSize: 12, color: '#8F959E' } },
+    color: ['#3370FF', '#FF9500', '#34C759'],
+    series: [{
+      type: 'pie',
+      radius: ['48%', '72%'],
+      center: ['50%', '45%'],
+      label: { show: false },
+      emphasis: { label: { show: true, fontSize: 13, fontWeight: 600 } },
+      data: breakdown.filter(b => b.value > 0),
+    }],
+  })
+}
+
+function initComparisonChart(comparison) {
+  if (!comparisonChartRef.value || !comparison?.length) return
+  comparisonChart = echarts.init(comparisonChartRef.value)
+  const names = comparison.map(c => c.name.length > 8 ? c.name.slice(0,8) + '…' : c.name)
+  comparisonChart.setOption({
+    tooltip: { trigger: 'axis', formatter: p => p.map(i => `${i.seriesName}: ${formatSecs(i.value)}`).join('<br/>') },
+    legend: { bottom: 0, textStyle: { fontSize: 12, color: '#8F959E' } },
+    grid: { left: 12, right: 16, top: 16, bottom: 36, containLabel: true },
+    xAxis: { type: 'value', axisLabel: { fontSize: 11, color: '#8F959E', formatter: v => v >= 60 ? Math.floor(v/60) + 'm' : v + 's' }, splitLine: { lineStyle: { color: '#F0F1F2' } } },
+    yAxis: { type: 'category', data: names, axisLabel: { fontSize: 12, color: '#3B3F46' }, axisLine: { show: false }, axisTick: { show: false } },
+    color: ['#3370FF', '#E5E6EB'],
+    series: [
+      { name: '已提交', type: 'bar', data: comparison.map(c => c.submitted), barWidth: 14, borderRadius: [0, 4, 4, 0], itemStyle: { color: '#3370FF' } },
+      { name: '目标', type: 'bar', data: comparison.map(c => c.target), barWidth: 14, borderRadius: [0, 4, 4, 0], itemStyle: { color: '#E5E6EB' } },
+    ],
+  })
+}
+
+function initWasteChart(ranking) {
+  if (!wasteChartRef.value || !ranking?.length) return
+  wasteChart = echarts.init(wasteChartRef.value)
+  const sorted = [...ranking].sort((a, b) => a.waste_rate - b.waste_rate)
+  const names = sorted.map(r => r.project_name.length > 8 ? r.project_name.slice(0,8) + '…' : r.project_name)
+  wasteChart.setOption({
+    tooltip: { trigger: 'axis', formatter: p => `${p[0].name}<br/>损耗率 <b>${p[0].value}%</b>` },
+    grid: { left: 12, right: 24, top: 16, bottom: 16, containLabel: true },
+    xAxis: { type: 'value', max: v => Math.max(v.max * 1.2, 10), axisLabel: { fontSize: 11, color: '#8F959E', formatter: v => v + '%' }, splitLine: { lineStyle: { color: '#F0F1F2' } } },
+    yAxis: { type: 'category', data: names, axisLabel: { fontSize: 12, color: '#3B3F46' }, axisLine: { show: false }, axisTick: { show: false } },
+    series: [{
+      type: 'bar', data: sorted.map(r => ({
+        value: r.waste_rate,
+        itemStyle: { color: r.waste_rate > 30 ? '#FF3B30' : r.waste_rate > 15 ? '#FF9500' : '#3370FF', borderRadius: [0, 4, 4, 0] },
+      })),
+      barWidth: 14,
+    }],
+  })
+}
+
+function handleResize() {
+  trendChart?.resize()
+  costChart?.resize()
+  comparisonChart?.resize()
+  wasteChart?.resize()
+}
+
 onMounted(async () => {
   loading.value = true
-  try { data.value = await dashboardApi.get() } finally { loading.value = false }
+  try {
+    data.value = await dashboardApi.get()
+    await nextTick()
+    initTrendChart(data.value.daily_trend)
+    initCostChart(data.value.cost_breakdown)
+    initComparisonChart(data.value.project_comparison)
+    initWasteChart(data.value.waste_ranking)
+    window.addEventListener('resize', handleResize)
+  } finally {
+    loading.value = false
+  }
+})
+
+onUnmounted(() => {
+  window.removeEventListener('resize', handleResize)
+  trendChart?.dispose()
+  costChart?.dispose()
+  comparisonChart?.dispose()
+  wasteChart?.dispose()
 })
 </script>
 
 <style scoped>
 /* 统计网格 */
-.stat-grid {
-  display: grid;
-  grid-template-columns: repeat(4, 1fr);
-  gap: 16px;
-  margin-bottom: 20px;
-}
+.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
 .stat-card {
-  background: var(--bg-card);
-  border: 1px solid var(--border-color);
-  border-radius: var(--radius-md);
-  padding: 20px;
-  display: flex;
-  align-items: center;
-  gap: 16px;
-}
-.stat-icon {
-  width: 44px; height: 44px;
-  border-radius: 10px;
-  display: flex; align-items: center; justify-content: center;
-  flex-shrink: 0;
+  background: var(--bg-card); border: 1px solid var(--border-color);
+  border-radius: var(--radius-md); padding: 20px; display: flex; align-items: center; gap: 16px;
 }
+.stat-icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
 .stat-icon.blue { background: #E8F0FE; color: #3370FF; }
 .stat-icon.orange { background: #FFF3E0; color: #FF9500; }
 .stat-icon.green { background: #E8F8EE; color: #34C759; }
@@ -161,19 +273,22 @@ onMounted(async () => {
 .stat-value { font-size: 22px; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
 .stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
 
+/* 图表布局 */
+.chart-row { display: flex; gap: 16px; margin-bottom: 16px; }
+.chart-card { flex: 1; }
+.chart-card.wide { flex: 2; }
+.chart-card.narrow { flex: 1; }
+.chart-card.half { flex: 1; }
+.chart-container { width: 100%; height: 260px; }
+
 /* 卡片 */
 .card {
-  background: var(--bg-card);
-  border: 1px solid var(--border-color);
-  border-radius: var(--radius-md);
-  margin-bottom: 16px;
+  background: var(--bg-card); border: 1px solid var(--border-color);
+  border-radius: var(--radius-md); margin-bottom: 16px;
 }
 .card-header {
-  padding: 16px 20px;
-  border-bottom: 1px solid var(--border-light);
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
+  padding: 16px 20px; border-bottom: 1px solid var(--border-light);
+  display: flex; align-items: center; justify-content: space-between;
 }
 .card-title { font-size: 14px; font-weight: 600; color: var(--text-primary); }
 .card-count { font-size: 12px; color: var(--text-secondary); }
@@ -181,13 +296,8 @@ onMounted(async () => {
 
 /* 项目进度 */
 .progress-item {
-  padding: 14px 0;
-  border-bottom: 1px solid var(--border-light);
-  cursor: pointer;
-  transition: background 0.15s;
-  margin: 0 -20px;
-  padding-left: 20px;
-  padding-right: 20px;
+  padding: 14px 0; border-bottom: 1px solid var(--border-light); cursor: pointer;
+  transition: background 0.15s; margin: 0 -20px; padding-left: 20px; padding-right: 20px;
 }
 .progress-item:last-child { border-bottom: none; }
 .progress-item:hover { background: #FAFBFC; }
@@ -195,20 +305,8 @@ onMounted(async () => {
 .progress-info { display: flex; align-items: center; gap: 8px; }
 .progress-name { font-size: 14px; font-weight: 500; color: var(--text-primary); }
 .progress-pct { font-size: 14px; font-weight: 600; color: var(--primary); }
-.progress-meta {
-  display: flex; justify-content: space-between;
-  font-size: 12px; color: var(--text-secondary); margin-top: 6px;
-}
+.progress-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-secondary); margin-top: 6px; }
 
-/* 两列布局 */
-.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
-
-/* 标签 */
-.rate-badge {
-  font-size: 12px; font-weight: 600; color: var(--text-secondary);
-  background: var(--bg-hover); padding: 2px 8px; border-radius: 4px;
-}
-.rate-badge.danger { background: #FFE8E7; color: #FF3B30; }
 .profit { font-weight: 600; color: #34C759; }
 .profit.loss { color: #FF3B30; }
 .text-muted { color: var(--text-secondary); }