diff --git a/Src/Asp.NetCore2/ClickHouseTest/Test/Unitdfa1212.cs b/Src/Asp.NetCore2/ClickHouseTest/Test/Unitdfa1212.cs
new file mode 100644
index 000000000..35bc6bef8
--- /dev/null
+++ b/Src/Asp.NetCore2/ClickHouseTest/Test/Unitdfa1212.cs
@@ -0,0 +1,62 @@
+using SqlSugar;
+using System.Threading.Tasks;
+using System;
+using OrmTest;
+
+namespace Sqlquestion1
+{
+    internal class Unitdfa1212
+    {
+       public  static void Init()
+        {
+            var db = new SqlSugarClient(new SqlSugar.ConnectionConfig()
+            {
+                ConnectionString = Config.ConnectionString,
+                DbType = SqlSugar.DbType.ClickHouse,
+                IsAutoCloseConnection = true
+            });
+            db.Aop.OnLogExecuting = (sql, pars) => {
+                var log = $"【{DateTime.Now}——执行SQL】\r\n{UtilMethods.GetSqlString(db.CurrentConnectionConfig.DbType, sql, pars)}\r\n";
+                Console.WriteLine(log);
+            };
+
+            //建表 
+            db.CodeFirst.InitTables<Test001>();
+            //清空表
+            db.DbMaintenance.TruncateTable<Test001>();
+
+            var mode = new Test001() {  CreateUserId=null,CreatedOnUtc = DateTime.UtcNow };
+            //mode.CreateUserId ??= 0;
+
+            //插入测试数据
+            var result =   db.Insertable(mode).ExecuteCommand();//用例代码
+
+
+
+
+            //   Console.WriteLine(result);
+            Console.WriteLine("用例跑完"); 
+        }
+
+
+        //建类
+        [SugarTable("Test001111")]
+        [SqlSugar.ClickHouse.CKTable(@"engine = MergeTree PARTITION BY toYYYYMM(CreatedOnUtc)
+        ORDER BY(toYYYYMM(CreatedOnUtc))
+        SETTINGS index_granularity = 8192;")]
+        public class Test001
+        {
+            /// <summary>
+            /// 创建时间
+            /// </summary>
+            [SugarColumn(ColumnDescription = "创建时间")]
+            public DateTime CreatedOnUtc { get; set; }
+
+            /// <summary>
+            /// 创建者Id
+            /// </summary>
+            [SugarColumn(ColumnDescription = "创建者Id", IsNullable = true)]
+            public virtual long? CreateUserId { get; set; }
+        }
+    }
+}