diff --git a/backend/src/routes/payroll2.routes.ts b/backend/src/routes/payroll2.routes.ts
index e478101..ac1408d 100644
--- a/backend/src/routes/payroll2.routes.ts
+++ b/backend/src/routes/payroll2.routes.ts
@@ -55,6 +55,69 @@ async function getPrevDeferred(orgId: string, employeeId: string, currentMonth:
   return result
 }
 
+/**
+ * 重算单个 BatchEntry 并更新到数据库
+ * 用于批量操作（获取绩效/奖金/扣款等）后重算 totalPay/tax/netPay
+ */
+async function recalcEntry(orgId: string, batchId: string, batchMonth: string, batchType: string, entryId: string, employeeId: string) {
+  const entry = await prisma.batchEntry.findUnique({ where: { id: entryId } })
+  if (!entry) return
+
+  const inputs = {
+    baseSalary: entry.baseSalary,
+    performanceSalary: entry.performanceSalary || undefined,
+    overtimePay: entry.overtimePay,
+    allowance: entry.allowance,
+    deduction: entry.deduction,
+    bonus: entry.bonus,
+    positionSalary: entry.positionSalary || undefined,
+    senioritySalary: entry.senioritySalary || undefined,
+    transportAllowance: entry.transportAllowance || undefined,
+    mealAllowance: entry.mealAllowance || undefined,
+    housingAllowance: entry.housingAllowance || undefined,
+    communicationAllowance: entry.communicationAllowance || undefined,
+    otherDeduction: entry.otherDeduction || undefined,
+  }
+
+  const prevDeferred = await getPrevDeferred(orgId, employeeId, batchMonth)
+  const calcResult = await calcBatchEntry(orgId, employeeId, batchMonth, inputs, batchType as any, { prevDeferred })
+
+  const { systemSocialEmp, systemSocialOrg, systemHousingEmp, systemHousingOrg, systemSupplementaryHousingEmp, systemSupplementaryHousingOrg, ...entryData } = calcResult
+  await prisma.batchEntry.update({
+    where: { id: entryId },
+    data: entryData,
+  })
+}
+
+/**
+ * 重算批次汇总
+ */
+async function recalcBatchTotals(batchId: string) {
+  const allEntries = await prisma.batchEntry.findMany({ where: { batchId } })
+  const totals = allEntries.reduce((acc, e) => ({
+    totalPay: acc.totalPay + e.totalPay,
+    totalNetPay: acc.totalNetPay + e.netPay,
+    totalSocialOrg: acc.totalSocialOrg + e.socialOrg,
+    totalSocialEmp: acc.totalSocialEmp + e.socialEmp,
+    totalHousingOrg: acc.totalHousingOrg + e.housingOrg,
+    totalHousingEmp: acc.totalHousingEmp + e.housingEmp,
+    totalTax: acc.totalTax + e.tax,
+  }), { totalPay: 0, totalNetPay: 0, totalSocialOrg: 0, totalSocialEmp: 0, totalHousingOrg: 0, totalHousingEmp: 0, totalTax: 0 })
+
+  await prisma.payrollBatch.update({
+    where: { id: batchId },
+    data: {
+      totalPay: Math.round(totals.totalPay * 100) / 100,
+      totalNetPay: Math.round(totals.totalNetPay * 100) / 100,
+      totalSocialOrg: Math.round(totals.totalSocialOrg * 100) / 100,
+      totalSocialEmp: Math.round(totals.totalSocialEmp * 100) / 100,
+      totalHousingOrg: Math.round(totals.totalHousingOrg * 100) / 100,
+      totalHousingEmp: Math.round(totals.totalHousingEmp * 100) / 100,
+      totalTax: Math.round(totals.totalTax * 100) / 100,
+    },
+  })
+}
+
 // RFC 5987 编码中文文件名
 function contentDisposition(filename: string): string {
   const encoded = encodeURIComponent(filename)
@@ -704,35 +767,14 @@ router.post('/batches/:batchId/fetch-bonus', async (req: AuthRequest, res: Respo
           where: { id: entry.id },
           data: { bonus: bonus.amount },
         })
+        await recalcEntry(orgId, batchId, batch.month, batch.type, entry.id, entry.employeeId)
         filled++
         totalAmount += bonus.amount
       }
     }
 
     // 重算批次汇总
-    const allEntries = await prisma.batchEntry.findMany({ where: { batchId } })
-    const totals = allEntries.reduce((acc, e) => ({
-      totalPay: acc.totalPay + e.baseSalary + e.overtimePay + e.allowance + e.bonus - e.deduction,
-      totalNetPay: acc.totalNetPay + e.netPay,
-      totalSocialOrg: acc.totalSocialOrg + e.socialOrg,
-      totalSocialEmp: acc.totalSocialEmp + e.socialEmp,
-      totalHousingOrg: acc.totalHousingOrg + e.housingOrg,
-      totalHousingEmp: acc.totalHousingEmp + e.housingEmp,
-      totalTax: acc.totalTax + e.tax,
-    }), { totalPay: 0, totalNetPay: 0, totalSocialOrg: 0, totalSocialEmp: 0, totalHousingOrg: 0, totalHousingEmp: 0, totalTax: 0 })
-
-    await prisma.payrollBatch.update({
-      where: { id: batchId },
-      data: {
-        totalPay: Math.round(totals.totalPay * 100) / 100,
-        totalNetPay: Math.round(totals.totalNetPay * 100) / 100,
-        totalSocialOrg: Math.round(totals.totalSocialOrg * 100) / 100,
-        totalSocialEmp: Math.round(totals.totalSocialEmp * 100) / 100,
-        totalHousingOrg: Math.round(totals.totalHousingOrg * 100) / 100,
-        totalHousingEmp: Math.round(totals.totalHousingEmp * 100) / 100,
-        totalTax: Math.round(totals.totalTax * 100) / 100,
-      },
-    })
+    await recalcBatchTotals(batchId)
 
     res.json({
       success: true,
@@ -810,34 +852,13 @@ router.post('/batches/:batchId/fetch-performance', async (req: AuthRequest, res:
         where: { id: entry.id },
         data: { performanceSalary: calculatedPerfSalary },
       })
+      await recalcEntry(orgId, batchId, batch.month, batch.type, entry.id, entry.employeeId)
       filled++
       totalAmount += calculatedPerfSalary
     }
 
     // 重算批次汇总
-    const allEntries = await prisma.batchEntry.findMany({ where: { batchId } })
-    const totals = allEntries.reduce((acc, e) => ({
-      totalPay: acc.totalPay + e.baseSalary + (e.performanceSalary || 0) + (e.positionSalary || 0) + (e.senioritySalary || 0) + e.overtimePay + (e.transportAllowance || 0) + (e.mealAllowance || 0) + (e.housingAllowance || 0) + (e.communicationAllowance || 0) + e.allowance + e.bonus - e.deduction - (e.otherDeduction || 0),
-      totalNetPay: acc.totalNetPay + e.netPay,
-      totalSocialOrg: acc.totalSocialOrg + e.socialOrg,
-      totalSocialEmp: acc.totalSocialEmp + e.socialEmp,
-      totalHousingOrg: acc.totalHousingOrg + e.housingOrg,
-      totalHousingEmp: acc.totalHousingEmp + e.housingEmp,
-      totalTax: acc.totalTax + e.tax,
-    }), { totalPay: 0, totalNetPay: 0, totalSocialOrg: 0, totalSocialEmp: 0, totalHousingOrg: 0, totalHousingEmp: 0, totalTax: 0 })
-
-    await prisma.payrollBatch.update({
-      where: { id: batchId },
-      data: {
-        totalPay: Math.round(totals.totalPay * 100) / 100,
-        totalNetPay: Math.round(totals.totalNetPay * 100) / 100,
-        totalSocialOrg: Math.round(totals.totalSocialOrg * 100) / 100,
-        totalSocialEmp: Math.round(totals.totalSocialEmp * 100) / 100,
-        totalHousingOrg: Math.round(totals.totalHousingOrg * 100) / 100,
-        totalHousingEmp: Math.round(totals.totalHousingEmp * 100) / 100,
-        totalTax: Math.round(totals.totalTax * 100) / 100,
-      },
-    })
+    await recalcBatchTotals(batchId)
 
     res.json({
       success: true,
@@ -905,35 +926,14 @@ router.post('/batches/:batchId/fetch-disciplinary', async (req: AuthRequest, res
           where: { id: entry.id },
           data: { deduction: Math.round(deduction * 100) / 100 },
         })
+        await recalcEntry(orgId, batchId, batch.month, batch.type, entry.id, entry.employeeId)
         filled++
         totalAmount += deduction
       }
     }
 
     // 重算批次汇总
-    const allEntries = await prisma.batchEntry.findMany({ where: { batchId } })
-    const totals = allEntries.reduce((acc, e) => ({
-      totalPay: acc.totalPay + e.baseSalary + (e.performanceSalary || 0) + (e.positionSalary || 0) + (e.senioritySalary || 0) + e.overtimePay + (e.transportAllowance || 0) + (e.mealAllowance || 0) + (e.housingAllowance || 0) + (e.communicationAllowance || 0) + e.allowance + e.bonus - e.deduction - (e.otherDeduction || 0),
-      totalNetPay: acc.totalNetPay + e.netPay,
-      totalSocialOrg: acc.totalSocialOrg + e.socialOrg,
-      totalSocialEmp: acc.totalSocialEmp + e.socialEmp,
-      totalHousingOrg: acc.totalHousingOrg + e.housingOrg,
-      totalHousingEmp: acc.totalHousingEmp + e.housingEmp,
-      totalTax: acc.totalTax + e.tax,
-    }), { totalPay: 0, totalNetPay: 0, totalSocialOrg: 0, totalSocialEmp: 0, totalHousingOrg: 0, totalHousingEmp: 0, totalTax: 0 })
-
-    await prisma.payrollBatch.update({
-      where: { id: batchId },
-      data: {
-        totalPay: Math.round(totals.totalPay * 100) / 100,
-        totalNetPay: Math.round(totals.totalNetPay * 100) / 100,
-        totalSocialOrg: Math.round(totals.totalSocialOrg * 100) / 100,
-        totalSocialEmp: Math.round(totals.totalSocialEmp * 100) / 100,
-        totalHousingOrg: Math.round(totals.totalHousingOrg * 100) / 100,
-        totalHousingEmp: Math.round(totals.totalHousingEmp * 100) / 100,
-        totalTax: Math.round(totals.totalTax * 100) / 100,
-      },
-    })
+    await recalcBatchTotals(batchId)
 
     res.json({
       success: true,
@@ -995,35 +995,14 @@ router.post('/batches/:batchId/fetch-attendance-deduction', async (req: AuthRequ
           where: { id: entry.id },
           data: { deduction: Math.round(deduction * 100) / 100 },
         })
+        await recalcEntry(orgId, batchId, batch.month, batch.type, entry.id, entry.employeeId)
         filled++
         totalAmount += deduction
       }
     }
 
     // 重算批次汇总
-    const allEntries = await prisma.batchEntry.findMany({ where: { batchId } })
-    const totals = allEntries.reduce((acc, e) => ({
-      totalPay: acc.totalPay + e.baseSalary + (e.performanceSalary || 0) + (e.positionSalary || 0) + (e.senioritySalary || 0) + e.overtimePay + (e.transportAllowance || 0) + (e.mealAllowance || 0) + (e.housingAllowance || 0) + (e.communicationAllowance || 0) + e.allowance + e.bonus - e.deduction - (e.otherDeduction || 0),
-      totalNetPay: acc.totalNetPay + e.netPay,
-      totalSocialOrg: acc.totalSocialOrg + e.socialOrg,
-      totalSocialEmp: acc.totalSocialEmp + e.socialEmp,
-      totalHousingOrg: acc.totalHousingOrg + e.housingOrg,
-      totalHousingEmp: acc.totalHousingEmp + e.housingEmp,
-      totalTax: acc.totalTax + e.tax,
-    }), { totalPay: 0, totalNetPay: 0, totalSocialOrg: 0, totalSocialEmp: 0, totalHousingOrg: 0, totalHousingEmp: 0, totalTax: 0 })
-
-    await prisma.payrollBatch.update({
-      where: { id: batchId },
-      data: {
-        totalPay: Math.round(totals.totalPay * 100) / 100,
-        totalNetPay: Math.round(totals.totalNetPay * 100) / 100,
-        totalSocialOrg: Math.round(totals.totalSocialOrg * 100) / 100,
-        totalSocialEmp: Math.round(totals.totalSocialEmp * 100) / 100,
-        totalHousingOrg: Math.round(totals.totalHousingOrg * 100) / 100,
-        totalHousingEmp: Math.round(totals.totalHousingEmp * 100) / 100,
-        totalTax: Math.round(totals.totalTax * 100) / 100,
-      },
-    })
+    await recalcBatchTotals(batchId)
 
     res.json({
       success: true,