diff --git a/aspnet-core/modules/localization-management/LINGYUN.Abp.LocalizationManagement.Application.Contracts/LINGYUN/Abp/LocalizationManagement/LanguageCreateOrUpdateDto.cs b/aspnet-core/modules/localization-management/LINGYUN.Abp.LocalizationManagement.Application.Contracts/LINGYUN/Abp/LocalizationManagement/LanguageCreateOrUpdateDto.cs
index 58da1f5cc..c1bfc3d0b 100644
--- a/aspnet-core/modules/localization-management/LINGYUN.Abp.LocalizationManagement.Application.Contracts/LINGYUN/Abp/LocalizationManagement/LanguageCreateOrUpdateDto.cs
+++ b/aspnet-core/modules/localization-management/LINGYUN.Abp.LocalizationManagement.Application.Contracts/LINGYUN/Abp/LocalizationManagement/LanguageCreateOrUpdateDto.cs
@@ -7,7 +7,4 @@ public abstract class LanguageCreateOrUpdateDto
     [Required]
     [DynamicStringLength(typeof(LanguageConsts), nameof(LanguageConsts.MaxDisplayNameLength))]
     public string DisplayName { get; set; }
-
-    [DynamicStringLength(typeof(LanguageConsts), nameof(LanguageConsts.MaxTwoLetterISOLanguageNameLength))]
-    public string FlagIcon { get; set; }
 }