diff --git a/backend/src/routes/leave.routes.ts b/backend/src/routes/leave.routes.ts
index 32ac011..734befe 100644
--- a/backend/src/routes/leave.routes.ts
+++ b/backend/src/routes/leave.routes.ts
@@ -2,9 +2,18 @@ import { Router, Response, NextFunction } from 'express'
 import { authMiddleware, AuthRequest } from '../middleware/auth'
 import prisma from '../lib/prisma'
 import { parsePagination } from '../lib/pagination'
+import { decrypt } from '../lib/crypto'
 
 const router = Router()
 
+function safeDecryptStr(encrypted: string | null): string | null {
+  if (!encrypted) return null
+  try {
+    if (!encrypted.includes(':')) return encrypted
+    return decrypt(encrypted)
+  } catch { return null }
+}
+
 // 休假申请列表
 router.get('/', authMiddleware, async (req: AuthRequest, res: Response, next: NextFunction) => {
   try {
@@ -21,14 +30,18 @@ router.get('/', authMiddleware, async (req: AuthRequest, res: Response, next: Ne
     const list = await prisma.leaveRequest.findMany({
       where,
       include: {
-        employee: { select: { id: true, name: true, department: true, position: true } },
+        employee: { select: { id: true, name: true, department: true, position: true, idCardNumber: true } },
       },
       orderBy: { createdAt: 'desc' },
       skip: (page - 1) * pageSize,
       take: pageSize,
     })
 
-    res.json({ success: true, data: { list, total, page, pageSize } })
+    const data = list.map((r: any) => ({
+      ...r,
+      employee: r.employee ? { ...r.employee, idCardNumber: safeDecryptStr(r.employee.idCardNumber) } : r.employee,
+    }))
+    res.json({ success: true, data: { list: data, total, page, pageSize } })
   } catch (err) {
     next(err)
   }
diff --git a/backend/src/routes/payroll.routes.ts b/backend/src/routes/payroll.routes.ts
index e38ed35..bcdaf43 100644
--- a/backend/src/routes/payroll.routes.ts
+++ b/backend/src/routes/payroll.routes.ts
@@ -8,6 +8,14 @@ import { isInProbation } from '../services/contract.service'
 const router = Router()
 router.use(authMiddleware)
 
+function safeDecryptStr(encrypted: string | null): string | null {
+  if (!encrypted) return null
+  try {
+    if (!encrypted.includes(':')) return encrypted
+    return decrypt(encrypted)
+  } catch { return null }
+}
+
 // ========== 加班费记录 ==========
 
 const overtimeSchema = z.object({
@@ -29,10 +37,14 @@ router.get('/overtime', async (req: AuthRequest, res: Response, next: NextFuncti
         ...(employeeId ? { employeeId: String(employeeId) } : {}),
         ...(month ? { month: String(month) } : {}),
       },
-      include: { employee: { select: { id: true, name: true, department: true } } },
+      include: { employee: { select: { id: true, name: true, department: true, idCardNumber: true } } },
       orderBy: { createdAt: 'desc' },
     })
-    res.json({ success: true, data: records })
+    const data = records.map((r: any) => ({
+      ...r,
+      employee: r.employee ? { ...r.employee, idCardNumber: safeDecryptStr(r.employee.idCardNumber) } : r.employee,
+    }))
+    res.json({ success: true, data })
   } catch (err) {
     next(err)
   }
@@ -236,10 +248,14 @@ router.get('/payslip', async (req: AuthRequest, res: Response, next: NextFunctio
         ...(month ? { month: String(month) } : {}),
         ...(employeeId ? { employeeId: String(employeeId) } : {}),
       },
-      include: { employee: { select: { id: true, name: true, department: true } } },
+      include: { employee: { select: { id: true, name: true, department: true, idCardNumber: true } } },
       orderBy: [{ month: 'desc' }, { employee: { name: 'asc' } }],
     })
-    res.json({ success: true, data: payslips })
+    const data = payslips.map((p: any) => ({
+      ...p,
+      employee: p.employee ? { ...p.employee, idCardNumber: safeDecryptStr(p.employee.idCardNumber) } : p.employee,
+    }))
+    res.json({ success: true, data })
   } catch (err) {
     next(err)
   }
diff --git a/backend/src/routes/payroll2.routes.ts b/backend/src/routes/payroll2.routes.ts
index 00c8817..d4a12bf 100644
--- a/backend/src/routes/payroll2.routes.ts
+++ b/backend/src/routes/payroll2.routes.ts
@@ -13,6 +13,14 @@ import {
 import { isInProbation } from '../services/contract.service'
 import { getBonusByMonthAndEmployeeIds } from '../services/commission-bonus.service'
 
+function safeDecryptStr(encrypted: string | null): string | null {
+  if (!encrypted) return null
+  try {
+    if (!encrypted.includes(':')) return encrypted
+    return decrypt(encrypted)
+  } catch { return null }
+}
+
 /**
  * 查询上月递延扣款数据（上月已归档批次中该员工的递延金额）
  * 用于本月创建批次时补扣上月未扣完的社保/公积金/最低工资补齐
@@ -209,18 +217,25 @@ router.get('/batches', async (req: AuthRequest, res: Response, next: NextFunctio
 // 获取批次详情
 router.get('/batches/:id', async (req: AuthRequest, res: Response, next: NextFunction) => {
   try {
-    const batch = await prisma.payrollBatch.findFirst({
+    const rawBatch = await prisma.payrollBatch.findFirst({
       where: { id: req.params.id, orgId: req.user!.orgId },
       include: {
         entries: {
           include: {
-            employee: { select: { id: true, name: true, department: true, status: true, bankAccount: true, bankName: true } },
+            employee: { select: { id: true, name: true, department: true, status: true, bankAccount: true, bankName: true, idCardNumber: true } },
           },
           orderBy: { employee: { name: 'asc' } },
         },
       },
     })
-    if (!batch) return res.status(404).json({ success: false, error: { code: 'NOT_FOUND', message: '批次不存在' } })
+    if (!rawBatch) return res.status(404).json({ success: false, error: { code: 'NOT_FOUND', message: '批次不存在' } })
+    const batch = {
+      ...rawBatch,
+      entries: rawBatch.entries.map((e: any) => ({
+        ...e,
+        employee: e.employee ? { ...e.employee, idCardNumber: safeDecryptStr(e.employee.idCardNumber) } : e.employee,
+      })),
+    }
     res.json({ success: true, data: batch })
   } catch (err) {
     next(err)
diff --git a/backend/src/routes/roster.routes.ts b/backend/src/routes/roster.routes.ts
index d61cc61..8792a21 100644
--- a/backend/src/routes/roster.routes.ts
+++ b/backend/src/routes/roster.routes.ts
@@ -850,16 +850,20 @@ router.get('/training/list', authMiddleware, async (req: AuthRequest, res, next)
       })
       where.employeeId = { in: employees.map(e => e.id) }
     }
-    const [records, total] = await Promise.all([
+    const [rawRecords, total] = await Promise.all([
       prisma.trainingRecord.findMany({
         where,
-        include: { employee: { select: { id: true, name: true, department: true } } },
+        include: { employee: { select: { id: true, name: true, department: true, idCardNumber: true } } },
         orderBy: { trainingDate: 'desc' },
         skip: (page - 1) * pageSize,
         take: pageSize,
       }),
       prisma.trainingRecord.count({ where }),
     ])
+    const records = rawRecords.map((r: any) => ({
+      ...r,
+      employee: r.employee ? { ...r.employee, idCardNumber: safeDecryptStr(r.employee.idCardNumber) } : r.employee,
+    }))
     res.json({ success: true, data: { records, total, page, pageSize } })
   } catch (err) { next(err) }
 })
@@ -908,16 +912,20 @@ router.get('/performance/list', authMiddleware, async (req: AuthRequest, res, ne
       })
       where.employeeId = { in: employees.map(e => e.id) }
     }
-    const [records, total] = await Promise.all([
+    const [rawRecords, total] = await Promise.all([
       prisma.performanceRecord.findMany({
         where,
-        include: { employee: { select: { id: true, name: true, department: true } } },
+        include: { employee: { select: { id: true, name: true, department: true, idCardNumber: true } } },
         orderBy: { period: 'desc' },
         skip: (page - 1) * pageSize,
         take: pageSize,
       }),
       prisma.performanceRecord.count({ where }),
     ])
+    const records = rawRecords.map((r: any) => ({
+      ...r,
+      employee: r.employee ? { ...r.employee, idCardNumber: safeDecryptStr(r.employee.idCardNumber) } : r.employee,
+    }))
     res.json({ success: true, data: { records, total, page, pageSize } })
   } catch (err) { next(err) }
 })
@@ -937,16 +945,20 @@ router.get('/disciplinary/list', authMiddleware, async (req: AuthRequest, res, n
       })
       where.employeeId = { in: employees.map(e => e.id) }
     }
-    const [records, total] = await Promise.all([
+    const [rawRecords, total] = await Promise.all([
       prisma.disciplinaryRecord.findMany({
         where,
-        include: { employee: { select: { id: true, name: true, department: true } } },
+        include: { employee: { select: { id: true, name: true, department: true, idCardNumber: true } } },
         orderBy: { violationDate: 'desc' },
         skip: (page - 1) * pageSize,
         take: pageSize,
       }),
       prisma.disciplinaryRecord.count({ where }),
     ])
+    const records = rawRecords.map((r: any) => ({
+      ...r,
+      employee: r.employee ? { ...r.employee, idCardNumber: safeDecryptStr(r.employee.idCardNumber) } : r.employee,
+    }))
     res.json({ success: true, data: { records, total, page, pageSize } })
   } catch (err) { next(err) }
 })
diff --git a/backend/src/routes/social.routes.ts b/backend/src/routes/social.routes.ts
index 9974b6a..d3e496f 100644
--- a/backend/src/routes/social.routes.ts
+++ b/backend/src/routes/social.routes.ts
@@ -1744,10 +1744,14 @@ router.get('/special-deduction/batch', async (req: AuthRequest, res: Response, n
   try {
     const { month } = req.query
     if (!month) return res.status(400).json({ success: false, message: '缺少 month' })
-    const records = await prisma.specialDeductionRecord.findMany({
+    const rawRecords = await prisma.specialDeductionRecord.findMany({
       where: { orgId: req.user!.orgId, month: month as string },
-      include: { employee: { select: { name: true, department: true } } },
+      include: { employee: { select: { name: true, department: true, idCardNumber: true } } },
     })
+    const records = rawRecords.map((r: any) => ({
+      ...r,
+      employee: r.employee ? { ...r.employee, idCardNumber: decryptIdCard(r.employee.idCardNumber) } : r.employee,
+    }))
     res.json({ success: true, data: records })
   } catch (err) {
     next(err)
diff --git a/frontend/src/pages/LeaveApproval.tsx b/frontend/src/pages/LeaveApproval.tsx
index 9f4e88b..4cf8612 100644
--- a/frontend/src/pages/LeaveApproval.tsx
+++ b/frontend/src/pages/LeaveApproval.tsx
@@ -167,8 +167,11 @@ export default function LeaveApproval() {
                     return (
                       <tr key={item.id} className="border-b last:border-0 hover:bg-gray-50">
                         <td className="py-2.5 px-3">
-                          <div className="text-xs font-medium">{item.employee?.name}</div>
-                          <div className="text-xs text-gray-500">{item.employee?.department}</div>
+                          <div className="flex flex-col gap-0.5">
+                            <span className="text-xs font-medium">{item.employee?.name}</span>
+                            {item.employee?.idCardNumber && <span className="text-gray-400 text-[11px] font-mono">{item.employee.idCardNumber}</span>}
+                            <span className="text-xs text-gray-500">{item.employee?.department}</span>
+                          </div>
                         </td>
                         <td className="py-2.5 px-3 text-xs">{LEAVE_TYPE_MAP[item.leaveType] || item.leaveType}</td>
                         <td className="py-2.5 px-3 text-xs text-gray-600">
diff --git a/frontend/src/pages/money/BatchTab.tsx b/frontend/src/pages/money/BatchTab.tsx
index 7f424e2..98f34a4 100644
--- a/frontend/src/pages/money/BatchTab.tsx
+++ b/frontend/src/pages/money/BatchTab.tsx
@@ -1194,11 +1194,14 @@ function BatchDetail({ batchId, onBack }: { batchId: string; onBack: () => void
               {batch.entries.slice((page - 1) * pageSize, page * pageSize).map((entry: any) => (
                 <tr key={entry.id} className="border-b last:border-0 hover:bg-gray-25">
                   <td className="py-2 px-2">
-                    <div className="text-xs font-medium">{entry.employee.name}</div>
-                    <div className="text-xs text-gray-500">{entry.employee.department}</div>
-                    {entry.employee.status === 'RESIGNED' && (
-                      <span className="text-xs text-danger">已离职</span>
-                    )}
+                    <div className="flex flex-col gap-0.5">
+                      <div className="text-xs font-medium">{entry.employee.name}</div>
+                      {entry.employee.idCardNumber && <span className="text-gray-400 text-[11px] font-mono">{entry.employee.idCardNumber}</span>}
+                      <div className="text-xs text-gray-500">{entry.employee.department}</div>
+                      {entry.employee.status === 'RESIGNED' && (
+                        <span className="text-xs text-danger">已离职</span>
+                      )}
+                    </div>
                   </td>
                   {renderCell(entry, 'baseSalary')}
                   {renderCell(entry, 'overtimePay')}
diff --git a/frontend/src/pages/money/OvertimeTab.tsx b/frontend/src/pages/money/OvertimeTab.tsx
index cb6c617..f6d5658 100644
--- a/frontend/src/pages/money/OvertimeTab.tsx
+++ b/frontend/src/pages/money/OvertimeTab.tsx
@@ -425,7 +425,12 @@ export function OvertimeCalculator() {
                 <tbody>
                   {overtimeRecords.map((r: any) => (
                     <tr key={r.id} className="border-b last:border-0 hover:bg-gray-50">
-                      <td className="py-2">{r.employee?.name}</td>
+                      <td className="py-2">
+                        <div className="flex flex-col gap-0.5">
+                          <span>{r.employee?.name}</span>
+                          {r.employee?.idCardNumber && <span className="text-gray-400 text-[11px] font-mono">{r.employee.idCardNumber}</span>}
+                        </div>
+                      </td>
                       <td className="py-2 text-gray-500">{r.employee?.department}</td>
                       {editingId === r.id ? (
                         <>
diff --git a/frontend/src/pages/money/PayslipTab.tsx b/frontend/src/pages/money/PayslipTab.tsx
index f2b061e..a40e22f 100644
--- a/frontend/src/pages/money/PayslipTab.tsx
+++ b/frontend/src/pages/money/PayslipTab.tsx
@@ -194,7 +194,12 @@ export function PayslipManager({ filterEmployeeId }: { filterEmployeeId?: string
               <tbody>
                 {payslips.slice((page - 1) * pageSize, page * pageSize).map((p: any) => (
                   <tr key={p.id} className="border-b last:border-0 hover:bg-gray-50">
-                    <td className="py-2 px-2 text-sm font-medium">{p.employee?.name}</td>
+                    <td className="py-2 px-2 text-sm font-medium">
+                      <div className="flex flex-col gap-0.5">
+                        <span>{p.employee?.name}</span>
+                        {p.employee?.idCardNumber && <span className="text-gray-400 text-[11px] font-mono">{p.employee.idCardNumber}</span>}
+                      </div>
+                    </td>
                     <td className="py-2 px-2 text-gray-500">{p.employee?.department}</td>
                     <td className="py-2 px-2 text-right">¥{fmt(p.baseSalary)}</td>
                     <td className="py-2 px-2 text-right">¥{fmt(p.overtimePay)}</td>
diff --git a/frontend/src/pages/roster/DisciplinaryRecords.tsx b/frontend/src/pages/roster/DisciplinaryRecords.tsx
index 8299da3..68cbb54 100644
--- a/frontend/src/pages/roster/DisciplinaryRecords.tsx
+++ b/frontend/src/pages/roster/DisciplinaryRecords.tsx
@@ -121,7 +121,10 @@ export default function DisciplinaryRecords() {
             ) : records.map((r: any) => (
               <tr key={r.id} className="border-b hover:bg-gray-50">
                 <td className="py-2 pr-4">
-                  <Link to={`/roster?employeeId=${r.employeeId}`} className="text-primary hover:underline">{r.employee?.name}</Link>
+                  <div className="flex flex-col gap-0.5">
+                    <Link to={`/roster?employeeId=${r.employeeId}`} className="text-primary hover:underline">{r.employee?.name}</Link>
+                    {r.employee?.idCardNumber && <span className="text-gray-400 text-[11px] font-mono">{r.employee.idCardNumber}</span>}
+                  </div>
                 </td>
                 <td className="py-2 pr-4 text-gray-600">{r.employee?.department || '-'}</td>
                 <td className="py-2 pr-4">{fmtDate(r.violationDate)}</td>
diff --git a/frontend/src/pages/roster/PerformanceRecords.tsx b/frontend/src/pages/roster/PerformanceRecords.tsx
index acaf1bc..f0df5e9 100644
--- a/frontend/src/pages/roster/PerformanceRecords.tsx
+++ b/frontend/src/pages/roster/PerformanceRecords.tsx
@@ -124,7 +124,10 @@ export default function PerformanceRecords() {
             ) : records.map((r: any) => (
               <tr key={r.id} className="border-b hover:bg-gray-50">
                 <td className="py-2 pr-4">
-                  <Link to={`/roster?employeeId=${r.employeeId}`} className="text-primary hover:underline">{r.employee?.name}</Link>
+                  <div className="flex flex-col gap-0.5">
+                    <Link to={`/roster?employeeId=${r.employeeId}`} className="text-primary hover:underline">{r.employee?.name}</Link>
+                    {r.employee?.idCardNumber && <span className="text-gray-400 text-[11px] font-mono">{r.employee.idCardNumber}</span>}
+                  </div>
                 </td>
                 <td className="py-2 pr-4 text-gray-600">{r.employee?.department || '-'}</td>
                 <td className="py-2 pr-4">{r.period}</td>
diff --git a/frontend/src/pages/roster/TrainingRecords.tsx b/frontend/src/pages/roster/TrainingRecords.tsx
index d9af5a1..098d274 100644
--- a/frontend/src/pages/roster/TrainingRecords.tsx
+++ b/frontend/src/pages/roster/TrainingRecords.tsx
@@ -156,7 +156,10 @@ export default function TrainingRecords() {
             ) : records.map((r: any) => (
               <tr key={r.id} className="border-b hover:bg-gray-50">
                 <td className="py-2 pr-4">
-                  <Link to={`/roster?employeeId=${r.employeeId}`} className="text-primary hover:underline">{r.employee?.name}</Link>
+                  <div className="flex flex-col gap-0.5">
+                    <Link to={`/roster?employeeId=${r.employeeId}`} className="text-primary hover:underline">{r.employee?.name}</Link>
+                    {r.employee?.idCardNumber && <span className="text-gray-400 text-[11px] font-mono">{r.employee.idCardNumber}</span>}
+                  </div>
                 </td>
                 <td className="py-2 pr-4 text-gray-600">{r.employee?.department || '-'}</td>
                 <td className="py-2 pr-4">{fmtDate(r.trainingDate)}</td>
diff --git a/frontend/src/pages/social-insurance/SpecialDeductionTab.tsx b/frontend/src/pages/social-insurance/SpecialDeductionTab.tsx
index 610ce3e..acc7456 100644
--- a/frontend/src/pages/social-insurance/SpecialDeductionTab.tsx
+++ b/frontend/src/pages/social-insurance/SpecialDeductionTab.tsx
@@ -172,7 +172,12 @@ export default function SpecialDeductionTab({ month, setMonth }: { month: string
                     <tr key={r.id} className="border-b last:border-0 hover:bg-gray-50">
                       {editing === r.employeeId ? (
                         <>
-                          <td className="py-1.5">{r.employee?.name}</td>
+                          <td className="py-1.5">
+                            <div className="flex flex-col gap-0.5">
+                              <span>{r.employee?.name}</span>
+                              {r.employee?.idCardNumber && <span className="text-gray-400 text-[11px] font-mono">{r.employee.idCardNumber}</span>}
+                            </div>
+                          </td>
                           <td className="py-1.5 text-gray-500">{r.employee?.department}</td>
                           <td className="py-1"><Input type="number" className="!w-20 !h-8 text-right" value={editForm.children} onChange={(e) => setEditForm({ ...editForm, children: Number(e.target.value) })} /></td>
                           <td className="py-1"><Input type="number" className="!w-20 !h-8 text-right" value={editForm.elderly} onChange={(e) => setEditForm({ ...editForm, elderly: Number(e.target.value) })} /></td>
@@ -190,7 +195,12 @@ export default function SpecialDeductionTab({ month, setMonth }: { month: string
                         </>
                       ) : (
                         <>
-                          <td className="py-1.5">{r.employee?.name}</td>
+                          <td className="py-1.5">
+                            <div className="flex flex-col gap-0.5">
+                              <span>{r.employee?.name}</span>
+                              {r.employee?.idCardNumber && <span className="text-gray-400 text-[11px] font-mono">{r.employee.idCardNumber}</span>}
+                            </div>
+                          </td>
                           <td className="py-1.5 text-gray-500">{r.employee?.department}</td>
                           <td className="py-1.5 text-right">{r.children > 0 ? `¥${fmt(r.children)}` : '-'}</td>
                           <td className="py-1.5 text-right">{r.elderly > 0 ? `¥${fmt(r.elderly)}` : '-'}</td>