diff --git a/web/admin/src/views/monitor/MonitorPage.vue b/web/admin/src/views/monitor/MonitorPage.vue
index 9fedeb5..ee695ed 100644
--- a/web/admin/src/views/monitor/MonitorPage.vue
+++ b/web/admin/src/views/monitor/MonitorPage.vue
@@ -1,23 +1,20 @@
 <script setup lang="ts">
-import { ref, onMounted, onUnmounted } from 'vue'
+import { ref, shallowRef, onMounted } from 'vue'
+import { use } from 'echarts/core'
+import { CanvasRenderer } from 'echarts/renderers'
+import { LineChart } from 'echarts/charts'
+import { GridComponent, TooltipComponent, MarkLineComponent } from 'echarts/components'
+import VChart from 'vue-echarts'
 import PageHeader from '@/components/PageHeader.vue'
 import request from '@/utils/request'
 
+use([CanvasRenderer, LineChart, GridComponent, TooltipComponent, MarkLineComponent])
+
 const loading = ref(false)
 const timeRange = ref(5) // minutes
 const dashboardData = ref<any>({})
-
-async function fetchDashboard() {
-  loading.value = true
-  try {
-    const res = await request.get('/admin/monitor/dashboard', { params: { minutes: timeRange.value } })
-    dashboardData.value = res.data?.data?.data || {}
-  } catch {
-    // error auto-shown by Axios interceptor
-  } finally {
-    loading.value = false
-  }
-}
+const systemHistory = ref<any[]>([])
+const trafficData = ref<any[]>([])
 
 function num(v: any, fallback = 0): number {
   return typeof v === 'number' ? v : fallback
@@ -34,18 +31,184 @@ function colorThreshold(v: any, warnAt: number, critAt: number): string {
   return '#00b42a'
 }
 
-let pollTimer: ReturnType<typeof setInterval> | null = null
+// --- time formatting ---
+
+function fmtTimeSec(ts: string) {
+  const d = new Date(ts)
+  return `${String(d.getHours()).padStart(2, '0')}:${String(d.getMinutes()).padStart(2, '0')}:${String(d.getSeconds()).padStart(2, '0')}`
+}
+
+function fmtTimeMin(ts: string) {
+  const d = new Date(ts)
+  return `${String(d.getHours()).padStart(2, '0')}:${String(d.getMinutes()).padStart(2, '0')}`
+}
+
+// --- full chart options with time axis ---
+
+interface ChartPoint { time: string; value: number }
+
+function buildTimeSeriesChart(
+  points: ChartPoint[],
+  opts: {
+    color: string
+    unit: string
+    yMin?: number
+    yMax?: number
+    decimals?: number
+    warnLine?: number
+    critLine?: number
+  },
+) {
+  const times = points.map(p => p.time)
+  const values = points.map(p => p.value)
+  const dec = opts.decimals ?? 1
+  const maxVal = Math.max(...values, 1)
+
+  const markLine: any = { silent: true, symbol: 'none', data: [] as any[] }
+  if (opts.warnLine != null) {
+    markLine.data.push({ yAxis: opts.warnLine, lineStyle: { color: '#ff7d00', type: 'dashed', width: 1 }, label: { formatter: '警告', fontSize: 11, color: '#ff7d00' } })
+  }
+  if (opts.critLine != null) {
+    markLine.data.push({ yAxis: opts.critLine, lineStyle: { color: '#f53f3f', type: 'dashed', width: 1 }, label: { formatter: '严重', fontSize: 11, color: '#f53f3f' } })
+  }
+
+  return {
+    tooltip: {
+      trigger: 'axis',
+      formatter(params: any) {
+        const p = params?.[0]
+        if (!p) return ''
+        return `${p.axisValue}<br/><span style="color:${opts.color}">●</span> ${p.value.toFixed(dec)} ${opts.unit}`
+      },
+    },
+    grid: { left: 52, right: 16, top: 12, bottom: 28 },
+    xAxis: {
+      type: 'category',
+      data: times,
+      boundaryGap: false,
+      axisLabel: { fontSize: 11, color: '#86909c', interval: 'auto' as const },
+      axisLine: { lineStyle: { color: '#e5e6eb' } },
+      axisTick: { show: false },
+    },
+    yAxis: {
+      type: 'value',
+      min: opts.yMin ?? 0,
+      max: opts.yMax ?? (maxVal * 1.3),
+      axisLabel: { fontSize: 11, color: '#86909c', formatter: (v: number) => v.toFixed(v >= 100 ? 0 : dec) },
+      splitLine: { lineStyle: { type: 'dashed', color: '#e5e6eb' } },
+    },
+    series: [{
+      type: 'line',
+      data: values,
+      smooth: true,
+      showSymbol: false,
+      lineStyle: { width: 2, color: opts.color },
+      areaStyle: {
+        color: {
+          type: 'linear', x: 0, y: 0, x2: 0, y2: 1,
+          colorStops: [
+            { offset: 0, color: opts.color + '25' },
+            { offset: 1, color: opts.color + '05' },
+          ],
+        },
+      },
+      markLine: markLine.data.length > 0 ? markLine : undefined,
+    }],
+  }
+}
+
+const cpuChartOption = shallowRef<any>({})
+const memChartOption = shallowRef<any>({})
+const qpsChartOption = shallowRef<any>({})
+const tpmChartOption = shallowRef<any>({})
+
+function updateCharts() {
+  // CPU trend
+  if (systemHistory.value.length > 1) {
+    cpuChartOption.value = buildTimeSeriesChart(
+      systemHistory.value.map((h: any) => ({
+        time: fmtTimeSec(h.timestamp),
+        value: h.cpu?.percent ?? 0,
+      })),
+      { color: '#165DFF', unit: '%', decimals: 1, yMax: 100, warnLine: 60, critLine: 85 },
+    )
+  }
+
+  // Memory trend
+  if (systemHistory.value.length > 1) {
+    memChartOption.value = buildTimeSeriesChart(
+      systemHistory.value.map((h: any) => ({
+        time: fmtTimeSec(h.timestamp),
+        value: h.memory?.used_percent ?? 0,
+      })),
+      { color: '#00B42A', unit: '%', decimals: 0, yMax: 100, warnLine: 60, critLine: 85 },
+    )
+  }
+
+  // QPS trend
+  if (trafficData.value.length > 1) {
+    qpsChartOption.value = buildTimeSeriesChart(
+      trafficData.value.map((t: any) => ({
+        time: fmtTimeMin(t.time),
+        value: (t.requests ?? 0) / 60,
+      })),
+      { color: '#722ED1', unit: 'req/s', decimals: 2 },
+    )
+  }
+
+  // TPM trend
+  if (trafficData.value.length > 1) {
+    tpmChartOption.value = buildTimeSeriesChart(
+      trafficData.value.map((t: any) => ({
+        time: fmtTimeMin(t.time),
+        value: t.tokens ?? 0,
+      })),
+      { color: '#F77234', unit: 'tokens', decimals: 0 },
+    )
+  }
+}
+
+// --- data fetching ---
+
+async function fetchDashboard() {
+  try {
+    const res = await request.get('/admin/monitor/dashboard', { params: { minutes: timeRange.value } })
+    dashboardData.value = res.data?.data?.data || {}
+  } catch {
+    // error auto-shown by Axios interceptor
+  }
+}
+
+async function fetchSystemHistory() {
+  try {
+    const res = await request.get('/admin/monitor/system', { params: { minutes: timeRange.value } })
+    systemHistory.value = res.data?.data?.data?.history || []
+  } catch {
+    // keep previous data
+  }
+}
+
+async function fetchTraffic() {
+  try {
+    const res = await request.get('/admin/monitor/traffic', { params: { minutes: timeRange.value } })
+    trafficData.value = res.data?.data?.data || []
+  } catch {
+    // keep previous data
+  }
+}
+
+async function fetchAll() {
+  loading.value = true
+  try {
+    await Promise.all([fetchDashboard(), fetchSystemHistory(), fetchTraffic()])
+    updateCharts()
+  } finally {
+    loading.value = false
+  }
+}
 
 onMounted(() => {
-  fetchDashboard()
-  pollTimer = setInterval(fetchDashboard, 30000)
-})
-
-onUnmounted(() => {
-  if (pollTimer) {
-    clearInterval(pollTimer)
-    pollTimer = null
-  }
+  fetchAll()
 })
 </script>
 
@@ -53,7 +216,7 @@ onUnmounted(() => {
   <div>
     <PageHeader title="系统监控" description="实时监控系统运行状态">
       <template #actions>
-        <a-radio-group v-model="timeRange" type="button" @change="fetchDashboard">
+        <a-radio-group v-model="timeRange" type="button" @change="fetchAll">
           <a-radio :value="5">5分钟</a-radio>
           <a-radio :value="15">15分钟</a-radio>
           <a-radio :value="30">30分钟</a-radio>
@@ -63,33 +226,61 @@ onUnmounted(() => {
     </PageHeader>
 
     <a-spin :loading="loading" style="width: 100%">
-      <!-- System resource cards -->
+      <!-- System resource trends -->
+      <div class="grid grid-cols-2 gap-4 mb-4">
+        <a-card :bordered="false">
+          <template #title>
+            <div class="card-title">
+              <span>CPU 使用率</span>
+              <a-tag :color="colorThreshold(dashboardData.system?.cpu?.percent, 60, 85) === '#00b42a' ? 'green' : colorThreshold(dashboardData.system?.cpu?.percent, 60, 85) === '#ff7d00' ? 'orangered' : 'red'" size="small">
+                {{ num(dashboardData.system?.cpu?.percent).toFixed(1) }}%
+              </a-tag>
+            </div>
+          </template>
+          <v-chart v-if="systemHistory.length > 1" :option="cpuChartOption" style="height: 220px" autoresize />
+          <a-empty v-else description="暂无数据" style="padding: 60px 0" />
+        </a-card>
+        <a-card :bordered="false">
+          <template #title>
+            <div class="card-title">
+              <span>内存使用率</span>
+              <a-tag :color="colorThreshold(dashboardData.system?.memory?.used_percent, 60, 85) === '#00b42a' ? 'green' : colorThreshold(dashboardData.system?.memory?.used_percent, 60, 85) === '#ff7d00' ? 'orangered' : 'red'" size="small">
+                {{ num(dashboardData.system?.memory?.used_percent).toFixed(0) }}%
+                ({{ num(dashboardData.system?.memory?.used_mb, 0).toFixed(0) }} / {{ num(dashboardData.system?.memory?.total_mb, 0).toFixed(0) }} MB)
+              </a-tag>
+            </div>
+          </template>
+          <v-chart v-if="systemHistory.length > 1" :option="memChartOption" style="height: 220px" autoresize />
+          <a-empty v-else description="暂无数据" style="padding: 60px 0" />
+        </a-card>
+      </div>
+
+      <!-- API traffic trends -->
+      <div class="grid grid-cols-2 gap-4 mb-4">
+        <a-card :bordered="false">
+          <template #title>
+            <div class="card-title">
+              <span>QPS (请求/秒)</span>
+              <a-tag color="arcoblue" size="small">{{ num(dashboardData.api?.qps).toFixed(2) }}</a-tag>
+            </div>
+          </template>
+          <v-chart v-if="trafficData.length > 1" :option="qpsChartOption" style="height: 220px" autoresize />
+          <a-empty v-else description="暂无数据" style="padding: 60px 0" />
+        </a-card>
+        <a-card :bordered="false">
+          <template #title>
+            <div class="card-title">
+              <span>TPM (Token/分钟)</span>
+              <a-tag color="orangered" size="small">{{ num(dashboardData.api?.tpm).toFixed(0) }}</a-tag>
+            </div>
+          </template>
+          <v-chart v-if="trafficData.length > 1" :option="tpmChartOption" style="height: 220px" autoresize />
+          <a-empty v-else description="暂无数据" style="padding: 60px 0" />
+        </a-card>
+      </div>
+
+      <!-- Quick stats row -->
       <div class="grid grid-cols-4 gap-4 mb-4">
-        <a-card :bordered="false">
-          <a-statistic title="CPU 使用率" :value="num(dashboardData.system?.cpu?.percent)" :precision="1">
-            <template #suffix>
-              <span style="font-size: 14px">%</span>
-            </template>
-          </a-statistic>
-          <div style="margin-top: 8px">
-            <a-progress :percent="pct(dashboardData.system?.cpu?.percent)" :show-text="false"
-              :color="colorThreshold(dashboardData.system?.cpu?.percent, 60, 85)" />
-          </div>
-        </a-card>
-        <a-card :bordered="false">
-          <a-statistic title="内存使用率" :value="num(dashboardData.system?.memory?.used_percent)" :precision="0">
-            <template #suffix>
-              <span style="font-size: 14px">%</span>
-            </template>
-          </a-statistic>
-          <div style="margin-top: 4px; font-size: 12px; color: var(--color-text-3)">
-            {{ num(dashboardData.system?.memory?.used_mb, 0).toFixed(0) }} / {{ num(dashboardData.system?.memory?.total_mb, 0).toFixed(0) }} MB
-          </div>
-          <div style="margin-top: 8px">
-            <a-progress :percent="pct(dashboardData.system?.memory?.used_percent)" :show-text="false"
-              :color="colorThreshold(dashboardData.system?.memory?.used_percent, 60, 85)" />
-          </div>
-        </a-card>
         <a-card :bordered="false">
           <a-statistic title="磁盘使用率" :value="num(dashboardData.system?.disk?.used_percent)" :precision="1">
             <template #suffix>
@@ -110,16 +301,6 @@ onUnmounted(() => {
             Heap: {{ num(dashboardData.system?.runtime?.heap_alloc_mb, 0).toFixed(0) }} MB
           </div>
         </a-card>
-      </div>
-
-      <!-- API Metrics row -->
-      <div class="grid grid-cols-4 gap-4 mb-4">
-        <a-card :bordered="false">
-          <a-statistic title="QPS (请求/秒)" :value="num(dashboardData.api?.qps)" :precision="2" />
-        </a-card>
-        <a-card :bordered="false">
-          <a-statistic title="TPM (Token/分钟)" :value="num(dashboardData.api?.tpm)" :precision="0" />
-        </a-card>
         <a-card :bordered="false">
           <a-statistic title="P99 延迟 (ms)" :value="num(dashboardData.api?.latency?.p99)" :precision="0" />
         </a-card>
@@ -184,4 +365,9 @@ onUnmounted(() => {
 .grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
 .gap-4 { gap: 16px; }
 .mb-4 { margin-bottom: 16px; }
+.card-title {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
 </style>