diff --git a/backend/src/services/risk.service.ts b/backend/src/services/risk.service.ts
index eae8a1d..727fa34 100644
--- a/backend/src/services/risk.service.ts
+++ b/backend/src/services/risk.service.ts
@@ -1408,7 +1408,8 @@ export async function getComplianceScore(orgId: string) {
     lastMonthRisks,
   ] = await Promise.all([
     prisma.employee.count({ where: { orgId, status: 'ACTIVE' } }),
-    prisma.laborContract.count({ where: { orgId, contractType: 'UNSIGNED', employee: { status: 'ACTIVE' } } }),
+    // 未签合同：完全无合同记录的在职员工
+    prisma.employee.count({ where: { orgId, status: 'ACTIVE', contracts: { none: {} } } }),
     prisma.laborContract.count({
       where: {
         orgId,
@@ -1583,7 +1584,8 @@ export async function getHealthCheck(orgId: string) {
     totalPayslips,
   ] = await Promise.all([
     prisma.employee.count({ where: { orgId, status: 'ACTIVE' } }),
-    prisma.laborContract.count({ where: { orgId, contractType: 'UNSIGNED', employee: { status: 'ACTIVE' } } }),
+    // 未签合同：完全无合同记录的在职员工
+    prisma.employee.count({ where: { orgId, status: 'ACTIVE', contracts: { none: {} } } }),
     prisma.laborContract.count({
       where: {
         orgId,