Update demo

Src/Asp.NetCore2/KdbndpTest/Models/Order.cs

@@ -7,6 +7,7 @@ using System.Text;
 namespace OrmTest
 {
 
+    [SugarTable("OrderTest01")]
     public class Order
     {
         [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]

Src/Asp.NetCore2/KdbndpTest/SqlServerDemo/SqlServer.cs

@@ -113,8 +113,11 @@ namespace KdbndpTest.SqlServerDemo
         private static void InitDatas(SqlSugarClient Db)
         {
             Db.DbMaintenance.CreateDatabase();
+            if (!Db.DbMaintenance.IsAnyTable(Db.EntityMaintenance.GetTableName<Order>(),false))
+            {
                 Db.CodeFirst.InitTables<Order>();
             }
+        }
 
         private static void InsertDemo(SqlSugarClient Db)
         {