允许映射有重复的配置项，只是提示一下

Myshipping.Core/Service/CommonDB/CommonDBService.cs

@@ -194,10 +194,6 @@ public class CommonDBService : ICommonDBService, IDynamicApiController, ITransie
     {
         var list = await _sysCacheService.GetAllMappingCarrier();
         var count = list.Where(x => x.Module == dto.Module && x.Code == dto.Code && x.GID != dto.GID).Count();
-        if (count > 0)
-        {
-            throw Oops.Bah(ErrorCode.D1006);
-        }
         var entity = dto.Adapt<MappingCarrier>();
         if (string.IsNullOrWhiteSpace(dto.GID))
         {
@@ -213,9 +209,13 @@ public class CommonDBService : ICommonDBService, IDynamicApiController, ITransie
             entity.ModifyTime = DateTime.Now;
             entity.ModifyUser = UserManager.DjyUserId;
             await _mappingCarrierRep.AsUpdateable(entity).IgnoreColumns(ignoreAllNullColumns: true).ExecuteCommandAsync();
-
         }
         await GetAllMappingCarrier();
+
+        if (count > 0) //提醒有相同配置项
+        {
+            throw Oops.Bah("操作成功，但需注意存在多个相同模块和船司代码的映射配置");
+        }
     }