diff --git a/Src/Dlhis.Canteen/Voucher/Services/Implements/BirthdayVoucherService.cs b/Src/Dlhis.Canteen/Voucher/Services/Implements/BirthdayVoucherService.cs
index fd818319..cd819005 100644
--- a/Src/Dlhis.Canteen/Voucher/Services/Implements/BirthdayVoucherService.cs
+++ b/Src/Dlhis.Canteen/Voucher/Services/Implements/BirthdayVoucherService.cs
@@ -245,6 +245,7 @@ public class BirthdayVoucherService : BaseVoucherService, IVoucherService
                   .Where(x => x.Birthday.HasValue)
                   //.Where(x => !string.IsNullOrEmpty(x.CostId))
                   // 正常情况：匹配当天生日
+                  // 注意：LW 劳务派遣工号统一在下方返回前过滤，不能在此处 SQL 过滤，否则留痕事件无法写入
                   .WhereIF(isToday && !includeLeapDayBirthday, x => SqlFunc.DateValue(x.Birthday.Value, DateType.Month) == begin.Month && SqlFunc.DateValue(x.Birthday.Value, DateType.Day) == begin.Day)
                   // 特殊情况：非闰年的2月28日，同时匹配当天生日和2月29日生日
                   .WhereIF(isToday && includeLeapDayBirthday, x =>
@@ -272,12 +273,17 @@ public class BirthdayVoucherService : BaseVoucherService, IVoucherService
             {
                 events.Add(new UserBusinessEventEntity { UserCode = gainfo.Code, EventType = "GenerateBirthdayVoucher", Content = "成本中心为空" });
             }
+            else if (gainfo.Code.StartsWith("LW", StringComparison.OrdinalIgnoreCase))
+            {
+                events.Add(new UserBusinessEventEntity { UserCode = gainfo.Code, EventType = "GenerateBirthdayVoucher", Content = "LW工号劳务不发放生日券" });
+            }
         }
 
         return (gainfos
             .Where(x => x.DepartmentNo.IsPresent())
             .Where(x => !excludePositionNos.Contains(x.PositionNo))
             .Where(x => x.CostId.IsPresent())
+            .Where(x => !x.Code.StartsWith("LW", StringComparison.OrdinalIgnoreCase))//排除劳务派遣工号（LW 开头）
             .ToList(), events);
     }
 
diff --git a/Src/Dlhis.ScheduledTask/Jobs/BirthdayCostUploadJob.cs b/Src/Dlhis.ScheduledTask/Jobs/BirthdayCostUploadJob.cs
index 72379328..d3c8b036 100644
--- a/Src/Dlhis.ScheduledTask/Jobs/BirthdayCostUploadJob.cs
+++ b/Src/Dlhis.ScheduledTask/Jobs/BirthdayCostUploadJob.cs
@@ -33,7 +33,6 @@ public class BirthdayCostUploadJob : BaseJob
         var endDayOfMonth = e.AddDays(-1);
 
         var userCodeAll = await DbContext.Queryable<UserBalanceEntity>()
-           .Where(x => !x.UserCode.StartsWith("LW"))
            .Select(x => x.UserCode)
            .Distinct()
            .ToListAsync();