diff --git a/Src/Dlhis.Basic/Organization/Services/Implements/GainfoOutsourceService.cs b/Src/Dlhis.Basic/Organization/Services/Implements/GainfoOutsourceService.cs
index c4913e66..42118ba2 100644
--- a/Src/Dlhis.Basic/Organization/Services/Implements/GainfoOutsourceService.cs
+++ b/Src/Dlhis.Basic/Organization/Services/Implements/GainfoOutsourceService.cs
@@ -102,7 +102,7 @@ public class GainfoOutsourceService : IGainfoOutsourceService
         handler.Acquired.ThrowIfFalse("生成虚拟工号失败");
 
         int code;
-        var entity = await _dbContext.Queryable<OutsourceEntity>().OrderBy(x => x.Id, OrderByType.Desc).FirstAsync();
+        var entity = await _dbContext.Queryable<OutsourceEntity>().Where(x => x.Code.StartsWith("LS")).OrderBy(x => x.Id, OrderByType.Desc).FirstAsync();
         if (entity == null)
         {
             code = 1;