diff --git a/client/src/components/Layout.tsx b/client/src/components/Layout.tsx
index 59e1ea5..35a248e 100644
--- a/client/src/components/Layout.tsx
+++ b/client/src/components/Layout.tsx
@@ -2,6 +2,7 @@ import { ReactNode, useState } from 'react'
 import { Link, useLocation } from 'react-router-dom'
 import { LayoutDashboard, Store, ClipboardList, TrendingUp, Settings, LogOut, Menu, X, Package, DollarSign, ShoppingBag, Users, AlertTriangle, Clock, Database, MapPin, PieChart, Wallet, CalendarClock, Activity, Crown, BarChart3, Receipt, Utensils, Landmark, ChefHat, Truck, Network, TrendingUp as TrendingUpIcon } from 'lucide-react'
 import { cn } from '@/lib/utils'
+import { StatusBanner } from '@/components/StatusBanner'
 
 interface LayoutProps {
   children: ReactNode
@@ -114,7 +115,8 @@ export function Layout({ children, user, onLogout }: LayoutProps) {
         'fixed left-0 top-0 z-40 h-full w-56 border-r bg-card transition-transform lg:translate-x-0',
         sidebarOpen ? 'translate-x-0' : '-translate-x-full'
       )}>
-        <div className="flex h-14 items-center border-b px-4">
+        <div className="flex h-14 items-center gap-2 border-b px-4">
+          <Activity size={22} className="text-primary" />
           <span className="text-lg font-bold">态势感知系统</span>
         </div>
         <nav className="space-y-4 overflow-y-auto p-3 pb-20" style={{ maxHeight: 'calc(100vh - 3.5rem - 5rem)' }}>
@@ -164,6 +166,9 @@ export function Layout({ children, user, onLogout }: LayoutProps) {
       {/* Main content */}
       <div className="lg:pl-56">
         <main className="min-h-screen p-4 pt-16 lg:pt-4">
+          <div className="mb-4">
+            <StatusBanner />
+          </div>
           {children}
         </main>
       </div>
diff --git a/client/src/components/MetricCard.tsx b/client/src/components/MetricCard.tsx
index c322bee..243e69a 100644
--- a/client/src/components/MetricCard.tsx
+++ b/client/src/components/MetricCard.tsx
@@ -12,9 +12,9 @@ interface MetricCardProps {
 }
 
 const STATUS_STYLES: Record<string, string> = {
-  good: 'border-green-200 bg-green-50/40',
-  warn: 'border-yellow-200 bg-yellow-50/40',
-  bad: 'border-red-200 bg-red-50/40',
+  good: 'border-green-200 bg-green-50/40 border-l-4 border-l-green-500',
+  warn: 'border-yellow-200 bg-yellow-50/40 border-l-4 border-l-yellow-500',
+  bad: 'border-red-200 bg-red-50/40 border-l-4 border-l-red-500',
 }
 
 const STATUS_VALUE_STYLES: Record<string, string> = {
diff --git a/client/src/components/StatusBanner.tsx b/client/src/components/StatusBanner.tsx
new file mode 100644
index 0000000..a2450bd
--- /dev/null
+++ b/client/src/components/StatusBanner.tsx
@@ -0,0 +1,159 @@
+import { useQuery } from '@tanstack/react-query'
+import { useNavigate } from 'react-router-dom'
+import api from '@/lib/api'
+import { cn } from '@/lib/utils'
+import { AlertTriangle, Activity, CheckCircle, XCircle } from 'lucide-react'
+
+export function StatusBanner({ month }: { month?: string }) {
+  const navigate = useNavigate()
+  const m = month || '2026-04'
+
+  const { data: riskData } = useQuery({
+    queryKey: ['stores/risk', m],
+    queryFn: () => api.get('/stores/risk', { params: { month: m } }),
+    staleTime: 5 * 60 * 1000,
+  })
+
+  const { data: alertsData } = useQuery({
+    queryKey: ['sa-alerts', m],
+    queryFn: () => api.get('/situational-awareness/alerts', { params: { month: m } }),
+    staleTime: 5 * 60 * 1000,
+  })
+
+  const { data: loopHealth } = useQuery({
+    queryKey: ['loop-health'],
+    queryFn: () => api.get('/tasks/loop-health'),
+    staleTime: 5 * 60 * 1000,
+  })
+
+  const riskRows = (riskData as any)?.data || []
+  const alertSummary = (alertsData as any)?.data
+  const lh = (loopHealth as any)?.data
+
+  const red = riskRows.filter((r: any) => r.risk_level === '红色').length
+  const yellow = riskRows.filter((r: any) => r.risk_level === '黄色').length
+  const green = riskRows.filter((r: any) => r.risk_level === '绿色').length
+  const total = riskRows.length || 1
+
+  const alertRed = alertSummary?.red || 0
+  const alertOrange = alertSummary?.orange || 0
+  const alertTotal = alertSummary?.total || 0
+
+  const loopScore = lh ? (
+    (parseFloat(lh.task_generation_rate) +
+    parseFloat(lh.store_execution_rate) +
+    parseFloat(lh.weekly_check_rate) +
+    parseFloat(lh.monthly_review_rate) +
+    parseFloat(lh.practice_promotion_rate)) / 5
+  ) : null
+
+  return (
+    <div className="flex items-center gap-4 rounded-lg border bg-card px-4 py-2 text-sm shadow-sm">
+      {/* 门店风险分布 */}
+      <div className="flex items-center gap-2" title="数据来源: /stores/risk · 按风险等级统计门店数量(红/黄/绿)">
+        <Activity size={16} className="text-muted-foreground" />
+        <span className="text-xs font-medium text-muted-foreground">门店风险</span>
+        <button
+          onClick={() => navigate('/')}
+          title="红色: 存在严重问题需紧急整改"
+          className="flex items-center gap-1 rounded px-1.5 py-0.5 transition-colors hover:bg-muted"
+        >
+          <span className="h-2.5 w-2.5 rounded-full bg-red-500" />
+          <span className="font-bold text-red-600">{red}</span>
+        </button>
+        <button
+          onClick={() => navigate('/')}
+          title="黄色: 存在风险需关注"
+          className="flex items-center gap-1 rounded px-1.5 py-0.5 transition-colors hover:bg-muted"
+        >
+          <span className="h-2.5 w-2.5 rounded-full bg-yellow-500" />
+          <span className="font-bold text-yellow-600">{yellow}</span>
+        </button>
+        <button
+          onClick={() => navigate('/')}
+          title="绿色: 经营正常"
+          className="flex items-center gap-1 rounded px-1.5 py-0.5 transition-colors hover:bg-muted"
+        >
+          <span className="h-2.5 w-2.5 rounded-full bg-green-500" />
+          <span className="font-bold text-green-600">{green}</span>
+        </button>
+      </div>
+
+      <div className="h-4 w-px bg-border" />
+
+      {/* 风险分布条 */}
+      <div className="hidden h-2 w-32 overflow-hidden rounded-full md:flex" title={`红${red} 黄${yellow} 绿${green} / 共${total}家`}>
+        <div className="bg-red-500" style={{ width: `${red / total * 100}%` }} />
+        <div className="bg-yellow-500" style={{ width: `${yellow / total * 100}%` }} />
+        <div className="bg-green-500" style={{ width: `${green / total * 100}%` }} />
+      </div>
+
+      <div className="h-4 w-px bg-border" />
+
+      {/* 预警 */}
+      <button
+        onClick={() => navigate('/situational-awareness')}
+        title="数据来源: /situational-awareness/alerts · 营收异动·成本异动·人力异动·平台依赖·任务逾期，每类最多10条"
+        className={cn(
+          'flex items-center gap-1.5 rounded px-2 py-0.5 transition-colors hover:bg-muted',
+          alertRed > 0 && 'bg-red-50'
+        )}
+      >
+        <AlertTriangle size={16} className={alertRed > 0 ? 'text-red-600' : alertOrange > 0 ? 'text-orange-600' : 'text-muted-foreground'} />
+        <span className="text-xs font-medium text-muted-foreground">预警</span>
+        {alertRed > 0 && <span className="rounded bg-red-600 px-1.5 py-0.5 text-xs font-bold text-white" title={`红色 ${alertRed} 条`}>{alertRed}</span>}
+        {alertOrange > 0 && <span className="rounded bg-orange-500 px-1.5 py-0.5 text-xs font-bold text-white" title={`橙色 ${alertOrange} 条`}>{alertOrange}</span>}
+        {alertRed === 0 && alertOrange === 0 && (
+          <span className="flex items-center gap-1 text-xs text-green-600">
+            <CheckCircle size={14} />
+            正常
+          </span>
+        )}
+      </button>
+
+      {loopScore !== null && (
+        <>
+          <div className="h-4 w-px bg-border" />
+          {/* 闭环健康度 */}
+          <button
+            onClick={() => navigate('/')}
+            title="数据来源: /tasks/loop-health · 任务生成率·店长执行率·区域周检率·月度验收率·经验推广率 五项均值"
+            className="flex items-center gap-1.5 rounded px-2 py-0.5 transition-colors hover:bg-muted"
+          >
+            <span className="text-xs font-medium text-muted-foreground">闭环健康度</span>
+            <span className={cn(
+              'text-sm font-bold',
+              loopScore >= 80 ? 'text-green-600' : loopScore >= 60 ? 'text-yellow-600' : 'text-red-600'
+            )}>
+              {loopScore.toFixed(1)}%
+            </span>
+            <div className="h-1.5 w-12 overflow-hidden rounded-full bg-muted">
+              <div
+                className={cn(
+                  'h-full rounded-full',
+                  loopScore >= 80 ? 'bg-green-500' : loopScore >= 60 ? 'bg-yellow-500' : 'bg-red-500'
+                )}
+                style={{ width: `${Math.min(loopScore, 100)}%` }}
+              />
+            </div>
+          </button>
+        </>
+      )}
+
+      <div className="ml-auto flex items-center gap-2 text-xs text-muted-foreground">
+        <span>{m}</span>
+        {alertRed > 0 ? (
+          <span className="flex items-center gap-1 text-red-600">
+            <XCircle size={12} />
+            需关注
+          </span>
+        ) : (
+          <span className="flex items-center gap-1 text-green-600">
+            <CheckCircle size={12} />
+            运行正常
+          </span>
+        )}
+      </div>
+    </div>
+  )
+}
diff --git a/client/src/pages/DashboardPage.tsx b/client/src/pages/DashboardPage.tsx
index a4392a4..60a132b 100644
--- a/client/src/pages/DashboardPage.tsx
+++ b/client/src/pages/DashboardPage.tsx
@@ -1,6 +1,6 @@
 import { useQuery } from '@tanstack/react-query'
 import { useNavigate } from 'react-router-dom'
-import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer, BarChart, Bar, PieChart, Pie, Cell, Legend, ScatterChart, Scatter, ZAxis, ReferenceLine, ComposedChart, Area, AreaChart } from 'recharts'
+import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer, BarChart, Bar, PieChart, Pie, Cell, Legend, ScatterChart, Scatter, ZAxis, ReferenceLine, ComposedChart, Area, AreaChart, RadialBarChart, RadialBar } from 'recharts'
 import api from '@/lib/api'
 import { MetricCard } from '@/components/MetricCard'
 import { Badge } from '@/components/Badge'
@@ -10,7 +10,7 @@ import { CollapsibleSection } from '@/components/CollapsibleSection'
 import { MonthPicker } from '@/components/MonthPicker'
 import { formatNumber, formatCurrency, formatPercent } from '@/lib/utils'
 import { useState } from 'react'
-import { TrendingUp, TrendingDown, Minus } from 'lucide-react'
+import { TrendingUp, TrendingDown, Minus, AlertTriangle } from 'lucide-react'
 
 const RISK_COLORS = { '红色': '#ef4444', '黄色': '#eab308', '绿色': '#22c55e' }
 
@@ -202,15 +202,55 @@ export function DashboardPage() {
         </div>
         <div className="flex items-center gap-3">
           <MonthPicker month={month} onChange={setMonth} />
-          <div className="flex gap-2">
-            <span className="rounded-md bg-blue-50 px-3 py-1 text-xs font-medium text-blue-700">{totalStores} 家门店</span>
-            <span className="rounded-md bg-red-50 px-3 py-1 text-xs font-medium text-red-700">红色 {riskSummary['红色'] || 0}</span>
-            <span className="rounded-md bg-yellow-50 px-3 py-1 text-xs font-medium text-yellow-700">黄色 {riskSummary['黄色'] || 0}</span>
-            <span className="rounded-md bg-green-50 px-3 py-1 text-xs font-medium text-green-700">绿色 {riskSummary['绿色'] || 0}</span>
-          </div>
+          <span className="rounded-md bg-blue-50 px-3 py-1 text-xs font-medium text-blue-700">{totalStores} 家门店</span>
         </div>
       </div>
 
+      {/* 风险分布条 */}
+      <div className="rounded-lg border bg-card p-3 shadow-sm">
+        <div className="mb-2 flex items-center justify-between">
+          <span className="text-xs font-medium text-muted-foreground">门店风险分布</span>
+          <div className="flex gap-3 text-xs">
+            <span className="flex items-center gap-1"><span className="h-2.5 w-2.5 rounded-full bg-red-500" /><span className="font-bold text-red-600">{riskSummary['红色'] || 0}</span> 红色 ({Math.round((riskSummary['红色'] || 0) / totalStores * 100)}%)</span>
+            <span className="flex items-center gap-1"><span className="h-2.5 w-2.5 rounded-full bg-yellow-500" /><span className="font-bold text-yellow-600">{riskSummary['黄色'] || 0}</span> 黄色 ({Math.round((riskSummary['黄色'] || 0) / totalStores * 100)}%)</span>
+            <span className="flex items-center gap-1"><span className="h-2.5 w-2.5 rounded-full bg-green-500" /><span className="font-bold text-green-600">{riskSummary['绿色'] || 0}</span> 绿色 ({Math.round((riskSummary['绿色'] || 0) / totalStores * 100)}%)</span>
+          </div>
+        </div>
+        <div className="flex h-3 w-full overflow-hidden rounded-full">
+          <div className="bg-red-500 transition-all" style={{ width: `${(riskSummary['红色'] || 0) / totalStores * 100}%` }} />
+          <div className="bg-yellow-500 transition-all" style={{ width: `${(riskSummary['黄色'] || 0) / totalStores * 100}%` }} />
+          <div className="bg-green-500 transition-all" style={{ width: `${(riskSummary['绿色'] || 0) / totalStores * 100}%` }} />
+        </div>
+      </div>
+
+      {/* 态势感知预警 - 前置 */}
+      {alerts.length > 0 && (
+        <CollapsibleSection
+          title="态势感知预警"
+          subtitle="营收异动 · 成本异动 · 人力异动 · 平台依赖 · 任务逾期"
+          defaultOpen={alertSummary?.red > 0}
+          headerRight={
+            <div className="flex gap-2">
+              {alertSummary?.red > 0 && <span className="rounded-md bg-red-600 px-2 py-0.5 text-xs font-bold text-white">{alertSummary.red} 红色</span>}
+              {alertSummary?.orange > 0 && <span className="rounded-md bg-orange-500 px-2 py-0.5 text-xs font-bold text-white">{alertSummary.orange} 橙色</span>}
+              <span className="text-xs text-muted-foreground">共 {alertSummary?.total || 0} 条</span>
+            </div>
+          }
+        >
+          <div className="grid gap-2 md:grid-cols-2">
+            {alerts.slice(0, 6).map((a, i) => (
+              <div key={i} className={`flex items-start gap-2 rounded-md border p-2.5 ${a.level === 'red' ? 'border-red-300 bg-red-50/60 border-l-4 border-l-red-500' : a.level === 'orange' ? 'border-orange-300 bg-orange-50/60 border-l-4 border-l-orange-500' : 'border-yellow-300 bg-yellow-50/60 border-l-4 border-l-yellow-500'}`}>
+                <AlertTriangle size={16} className={`mt-0.5 shrink-0 ${a.level === 'red' ? 'text-red-600' : a.level === 'orange' ? 'text-orange-600' : 'text-yellow-600'}`} />
+                <div className="min-w-0 flex-1">
+                  <p className="truncate text-xs font-medium">{a.title}</p>
+                  <p className="mt-0.5 truncate text-xs text-muted-foreground">{a.detail}</p>
+                </div>
+              </div>
+            ))}
+          </div>
+        </CollapsibleSection>
+      )}
+
       {/* 经营指标 */}
       <CollapsibleSection title="经营指标" subtitle="营业收入、优惠、实收等核心经营数据">
         <div className="grid grid-cols-2 gap-3 md:grid-cols-3 lg:grid-cols-6">
@@ -296,62 +336,48 @@ export function DashboardPage() {
             </div>
           }
         >
-          <div className="grid grid-cols-2 gap-3 md:grid-cols-5">
-            {[
-              { label: '任务生成率', value: lh.task_generation_rate, desc: '系统自动生成的整改任务占应生成任务的比例' },
-              { label: '店长执行率', value: lh.store_execution_rate, desc: '店长已提交反馈的任务占分配任务的比例' },
-              { label: '区域周检率', value: lh.weekly_check_rate, desc: '区域经理完成周度检查的比例' },
-              { label: '月度验收率', value: lh.monthly_review_rate, desc: '月度完成验收的任务比例' },
-              { label: '经验推广率', value: lh.practice_promotion_rate, desc: '达标经验被推广到其他门店的比例' },
-            ].map((item) => {
-              const num = parseFloat(item.value)
-              const isLow = num < 60
-              const isMid = num >= 60 && num < 80
-              return (
-                <div key={item.label} className={`rounded-md border p-3 ${isLow ? 'border-red-200 bg-red-50/50' : isMid ? 'border-yellow-200 bg-yellow-50/50' : 'border-green-200 bg-green-50/50'}`} title={item.desc}>
-                  <div className="flex items-center gap-1">
-                    <p className="text-xs text-muted-foreground">{item.label}</p>
-                    <span className="flex h-3.5 w-3.5 cursor-help items-center justify-center rounded-full bg-muted text-[9px] text-muted-foreground" title={item.desc}>?</span>
-                  </div>
-                  <p className={`mt-1 text-xl font-bold ${isLow ? 'text-red-600' : isMid ? 'text-yellow-600' : 'text-green-600'}`}>{num.toFixed(1)}%</p>
-                  <div className="mt-2 h-1.5 overflow-hidden rounded-full bg-muted">
-                    <div
-                      className={`h-full rounded-full ${isLow ? 'bg-red-500' : isMid ? 'bg-yellow-500' : 'bg-green-500'}`}
-                      style={{ width: `${Math.min(num, 100)}%` }}
-                    />
-                  </div>
-                </div>
-              )
-            })}
-          </div>
-        </CollapsibleSection>
-      )}
-
-      {/* 态势感知预警 */}
-      {alerts.length > 0 && (
-        <CollapsibleSection
-          title="态势感知预警"
-          subtitle="营收异动 · 成本异动 · 人力异动 · 平台依赖 · 任务逾期"
-          headerRight={
-            <div className="flex gap-2">
-              {alertSummary?.red > 0 && <span className="rounded-md bg-red-50 px-2 py-0.5 text-xs font-medium text-red-700">红色 {alertSummary.red}</span>}
-              {alertSummary?.orange > 0 && <span className="rounded-md bg-orange-50 px-2 py-0.5 text-xs font-medium text-orange-700">橙色 {alertSummary.orange}</span>}
-              <span className="text-xs text-muted-foreground">共 {alertSummary?.total || 0} 条</span>
-            </div>
-          }
-        >
-          <div className="grid gap-2 md:grid-cols-2">
-            {alerts.slice(0, 6).map((a, i) => (
-              <div key={i} className={`flex items-start gap-2 rounded-md border p-2.5 ${a.level === 'red' ? 'border-red-200 bg-red-50/50' : a.level === 'orange' ? 'border-orange-200 bg-orange-50/50' : 'border-yellow-200 bg-yellow-50/50'}`}>
-                <span className={`mt-0.5 flex h-5 w-5 shrink-0 items-center justify-center rounded-full text-[10px] font-bold ${a.level === 'red' ? 'text-red-700' : a.level === 'orange' ? 'text-orange-700' : 'text-yellow-700'}`}>
-                  {a.level === 'red' ? '红' : a.level === 'orange' ? '橙' : '黄'}
-                </span>
-                <div className="min-w-0 flex-1">
-                  <p className="truncate text-xs font-medium">{a.title}</p>
-                  <p className="mt-0.5 truncate text-xs text-muted-foreground">{a.detail}</p>
-                </div>
+          <div className="grid gap-4 lg:grid-cols-5">
+            {/* 仪表盘 */}
+            <div className="flex flex-col items-center justify-center lg:col-span-1">
+              <ResponsiveContainer width="100%" height={160}>
+                <RadialBarChart innerRadius="65%" outerRadius="100%" data={[{ name: '综合得分', value: loopScore, fill: loopScore >= 80 ? '#22c55e' : loopScore >= 60 ? '#eab308' : '#ef4444' }]} startAngle={90} endAngle={-270}>
+                  <RadialBar background dataKey="value" cornerRadius={8} />
+                </RadialBarChart>
+              </ResponsiveContainer>
+              <div className="-mt-24 text-center">
+                <p className={`text-2xl font-bold ${loopScore >= 80 ? 'text-green-600' : loopScore >= 60 ? 'text-yellow-600' : 'text-red-600'}`}>{loopScore.toFixed(1)}%</p>
+                <p className="text-xs text-muted-foreground">综合健康度</p>
               </div>
-            ))}
+            </div>
+            {/* 5个指标条 */}
+            <div className="grid grid-cols-2 gap-3 md:grid-cols-5 lg:col-span-4">
+              {[
+                { label: '任务生成率', value: lh.task_generation_rate, desc: '系统自动生成的整改任务占应生成任务的比例' },
+                { label: '店长执行率', value: lh.store_execution_rate, desc: '店长已提交反馈的任务占分配任务的比例' },
+                { label: '区域周检率', value: lh.weekly_check_rate, desc: '区域经理完成周度检查的比例' },
+                { label: '月度验收率', value: lh.monthly_review_rate, desc: '月度完成验收的任务比例' },
+                { label: '经验推广率', value: lh.practice_promotion_rate, desc: '达标经验被推广到其他门店的比例' },
+              ].map((item) => {
+                const num = parseFloat(item.value)
+                const isLow = num < 60
+                const isMid = num >= 60 && num < 80
+                return (
+                  <div key={item.label} className={`rounded-md border p-3 ${isLow ? 'border-red-200 bg-red-50/50' : isMid ? 'border-yellow-200 bg-yellow-50/50' : 'border-green-200 bg-green-50/50'}`} title={item.desc}>
+                    <div className="flex items-center gap-1">
+                      <p className="text-xs text-muted-foreground">{item.label}</p>
+                      <span className="flex h-3.5 w-3.5 cursor-help items-center justify-center rounded-full bg-muted text-[9px] text-muted-foreground" title={item.desc}>?</span>
+                    </div>
+                    <p className={`mt-1 text-xl font-bold ${isLow ? 'text-red-600' : isMid ? 'text-yellow-600' : 'text-green-600'}`}>{num.toFixed(1)}%</p>
+                    <div className="mt-2 h-1.5 overflow-hidden rounded-full bg-muted">
+                      <div
+                        className={`h-full rounded-full ${isLow ? 'bg-red-500' : isMid ? 'bg-yellow-500' : 'bg-green-500'}`}
+                        style={{ width: `${Math.min(num, 100)}%` }}
+                      />
+                    </div>
+                  </div>
+                )
+              })}
+            </div>
           </div>
         </CollapsibleSection>
       )}