diff --git a/backend/src/routes/payroll2.routes.ts b/backend/src/routes/payroll2.routes.ts
index be95b52..b3ae314 100644
--- a/backend/src/routes/payroll2.routes.ts
+++ b/backend/src/routes/payroll2.routes.ts
@@ -520,15 +520,15 @@ router.post('/batches', async (req: AuthRequest, res: Response, next: NextFuncti
 
 // 编辑批次条目（计算依据项 + 社保公积金手动覆盖）
 const updateEntrySchema = z.object({
-  baseSalary: z.number().min(0).optional(),
-  overtimePay: z.number().min(0).optional(),
-  allowance: z.number().min(0).optional(),
-  deduction: z.number().min(0).optional(),
-  bonus: z.number().min(0).optional(),
-  socialEmp: z.number().min(0).optional(),
-  socialOrg: z.number().min(0).optional(),
-  housingEmp: z.number().min(0).optional(),
-  housingOrg: z.number().min(0).optional(),
+  baseSalary: z.number().optional(),
+  overtimePay: z.number().optional(),
+  allowance: z.number().optional(),
+  deduction: z.number().optional(),
+  bonus: z.number().optional(),
+  socialEmp: z.number().optional(),
+  socialOrg: z.number().optional(),
+  housingEmp: z.number().optional(),
+  housingOrg: z.number().optional(),
 })
 
 router.put('/batches/:batchId/entries/:employeeId', async (req: AuthRequest, res: Response, next: NextFunction) => {
@@ -546,13 +546,21 @@ router.put('/batches/:batchId/entries/:employeeId', async (req: AuthRequest, res
     })
     if (!entry) return res.status(404).json({ success: false, error: { code: 'NOT_FOUND', message: '条目不存在' } })
 
-    // 合并输入项
+    // 合并输入项（包含细化薪资字段，避免编辑时丢失岗位工资/绩效工资等）
     const inputs = {
       baseSalary: data.baseSalary ?? entry.baseSalary,
       overtimePay: data.overtimePay ?? entry.overtimePay,
       allowance: data.allowance ?? entry.allowance,
       deduction: data.deduction ?? entry.deduction,
       bonus: data.bonus ?? entry.bonus,
+      positionSalary: entry.positionSalary || undefined,
+      performanceSalary: entry.performanceSalary || 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,
     }
 
     // 构建社保覆盖参数（如果请求中包含社保字段）