diff --git a/Admin.NET/Admin.NET.Core/Service/CodeGen/SysCodeGenService.cs b/Admin.NET/Admin.NET.Core/Service/CodeGen/SysCodeGenService.cs
index 9243fb9a..4807c853 100644
--- a/Admin.NET/Admin.NET.Core/Service/CodeGen/SysCodeGenService.cs
+++ b/Admin.NET/Admin.NET.Core/Service/CodeGen/SysCodeGenService.cs
@@ -233,7 +233,7 @@ public class SysCodeGenService : IDynamicApiController, ITransient
             IsNullable = u.IsNullable,
             ColumnKey = u.IsPrimarykey.ToString(),
             NetType = CodeGenUtil.ConvertDataType(u, provider.CurrentConnectionConfig.DbType),
-            DataType = CodeGenUtil.ConvertDataType(u, provider.CurrentConnectionConfig.DbType),
+            DataType = u.DataType,
             ColumnComment = string.IsNullOrWhiteSpace(u.ColumnDescription) ? u.DbColumnName : u.ColumnDescription
         }).ToList();