diff --git a/backend/src/routes/platform.routes.ts b/backend/src/routes/platform.routes.ts
index 31ef391..310aa28 100644
--- a/backend/src/routes/platform.routes.ts
+++ b/backend/src/routes/platform.routes.ts
@@ -20,11 +20,20 @@ router.use(authMiddleware, platformAdminMiddleware)
  */
 router.get('/dashboard', async (_req: AuthRequest, res, next) => {
   try {
-    const [orgs, users, employees, contracts, payslips] = await Promise.all([
+    const now = new Date()
+    const [orgs, users, employees, contracts, activeContracts, payslips] = await Promise.all([
       prisma.organization.count(),
       prisma.user.count({ where: { role: { not: 'SUPER_ADMIN' } } }),
       prisma.employee.count(),
       prisma.laborContract.count(),
+      prisma.laborContract.count({
+        where: {
+          OR: [
+            { endDate: null },
+            { endDate: { gte: now } },
+          ],
+        },
+      }),
       prisma.payslip.count(),
     ])
 
@@ -52,6 +61,7 @@ router.get('/dashboard', async (_req: AuthRequest, res, next) => {
         totalUsers: users,
         totalEmployees: employees,
         totalContracts: contracts,
+        activeContracts,
         totalPayslips: payslips,
         orgsByPlan: orgsByPlan.map((g: any) => ({ plan: g.plan, count: g._count })),
         recentOrgs: recentOrgs.map((o: any) => ({
diff --git a/frontend/src/pages/platform/PlatformDashboard.tsx b/frontend/src/pages/platform/PlatformDashboard.tsx
index 6d42456..952a007 100644
--- a/frontend/src/pages/platform/PlatformDashboard.tsx
+++ b/frontend/src/pages/platform/PlatformDashboard.tsx
@@ -11,6 +11,7 @@ interface DashboardData {
   totalUsers: number
   totalEmployees: number
   totalContracts: number
+  activeContracts: number
   totalPayslips: number
   orgsByPlan: { plan: string; count: number }[]
   recentOrgs: {
@@ -38,7 +39,7 @@ export default function PlatformDashboard() {
     { label: '企业总数', value: data.totalOrgs, icon: Building2, color: 'text-primary' },
     { label: '用户总数', value: data.totalUsers, icon: Users, color: 'text-blue-600' },
     { label: '员工总数', value: data.totalEmployees, icon: Users, color: 'text-emerald-600' },
-    { label: '合同总数', value: data.totalContracts, icon: FileText, color: 'text-purple-600' },
+    { label: '有效合同', value: data.activeContracts, sub: `共 ${data.totalContracts} 份`, icon: FileText, color: 'text-purple-600' },
     { label: '工资条总数', value: data.totalPayslips, icon: Calculator, color: 'text-rose-600' },
   ]
 
@@ -60,6 +61,7 @@ export default function PlatformDashboard() {
                 <Icon className={`w-5 h-5 ${s.color}`} />
               </div>
               <div className="text-2xl font-bold text-gray-900">{s.value.toLocaleString()}</div>
+              {(s as any).sub && <div className="text-xs text-gray-400 mt-0.5">{(s as any).sub}</div>}
             </div>
           )
         })}