diff --git a/Service/WhitListService.cs b/Service/WhitListService.cs
index 6737797..b225bbd 100644
--- a/Service/WhitListService.cs
+++ b/Service/WhitListService.cs
@@ -34,7 +34,7 @@ namespace LY.App.Service
         {
             var result = new ApiResult();
             var entity = input.Adapt<Whitelist>();
-            var exisit = await _db.Queryable<Whitelist>().AnyAsync(x => x.sn == entity.sn);
+            var exisit = await _db.Queryable<Whitelist>().AnyAsync(x => x.sn == entity.sn && x.IsDeleted == false);
             if (exisit)
             {
                 result.code = 1;
@@ -117,7 +117,7 @@ namespace LY.App.Service
         public async Task<ApiResult> Update(UpdateWhitelist input)
         {
             var entity = input.Adapt<Whitelist>();
-     
+
             if (entity != null)
             {
                 await _db.Updateable(entity).ExecuteCommandAsync();