Update demo

Src/Asp.Net/MySqlTest/Models/Order.cs

@@ -6,9 +6,10 @@ using System.Text;
 
 namespace OrmTest
 {
-
+    [SugarIndex("id_order_name", nameof(Order.Name), OrderByType.Asc)]
     public class Order
     {
+     
         [SugarColumn(IsPrimaryKey = true, IsIdentity = true,ColumnDescription ="主键")]
         public int Id { get; set; }