diff --git a/Src/Asp.Net/SqlServerTest/Demo/DemoH_Tenant.cs b/Src/Asp.Net/SqlServerTest/Demo/DemoH_Tenant.cs
index 4ce9745d2..f71cbeafe 100644
--- a/Src/Asp.Net/SqlServerTest/Demo/DemoH_Tenant.cs
+++ b/Src/Asp.Net/SqlServerTest/Demo/DemoH_Tenant.cs
@@ -21,18 +21,19 @@ namespace OrmTest
         {
             public void Test()
             {
-                base.AsTenant().BeginTran();
+                base.db.BeginTran();
 
                 base.GetList(); //调用内部仓储方法
                 base.ChangeRepository<Repository<C2Table>>().GetList();//调用外部仓储
 
-                base.AsTenant().CommitTran();
+                base.db.CommitTran();
             }
         }
 
 
         public class Repository<T> : SimpleClient<T> where T : class, new()
         {
+            public SqlSugarClient db;
             public Repository(ISqlSugarClient context = null) : base(context)//注意这里要有默认值等于null
             {
                 if (context == null)
@@ -53,10 +54,10 @@ namespace OrmTest
                                                         ConnectionString = Config.ConnectionString2
                                                     }
                     });
-                    base.Context = db;
+                 
                     var configId = typeof(T).GetCustomAttribute<TenantAttribute>().configId;
-                    db.ChangeDatabase(configId);
-
+                    Context = db.GetConnection(configId);
+                    this.db = db; 
                 }
             }
 
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Demo/DemoH_Tenant.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Demo/DemoH_Tenant.cs
new file mode 100644
index 000000000..f71cbeafe
--- /dev/null
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Demo/DemoH_Tenant.cs
@@ -0,0 +1,87 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class DemoH_Tenant
+    {
+        public static void Init()
+        {
+            Console.WriteLine("");
+            Console.WriteLine("#### SimpleClient Start ####");
+            new C1Service().Test();
+            Console.WriteLine("#### SimpleClient End ####");
+        }
+        public class C1Service : Repository<C1Table>
+        {
+            public void Test()
+            {
+                base.db.BeginTran();
+
+                base.GetList(); //调用内部仓储方法
+                base.ChangeRepository<Repository<C2Table>>().GetList();//调用外部仓储
+
+                base.db.CommitTran();
+            }
+        }
+
+
+        public class Repository<T> : SimpleClient<T> where T : class, new()
+        {
+            public SqlSugarClient db;
+            public Repository(ISqlSugarClient context = null) : base(context)//注意这里要有默认值等于null
+            {
+                if (context == null)
+                {
+                    var db = new SqlSugarClient(new List<ConnectionConfig> {
+                                                        new ConnectionConfig()
+                                                    {
+                                                        ConfigId="1",
+                                                        DbType = SqlSugar.DbType.SqlServer,
+                                                        IsAutoCloseConnection = true,
+                                                        ConnectionString = Config.ConnectionString
+                                                    },
+                                                        new ConnectionConfig()
+                                                    {
+                                                        ConfigId="2",
+                                                        DbType = SqlSugar.DbType.SqlServer,
+                                                        IsAutoCloseConnection = true,
+                                                        ConnectionString = Config.ConnectionString2
+                                                    }
+                    });
+                 
+                    var configId = typeof(T).GetCustomAttribute<TenantAttribute>().configId;
+                    Context = db.GetConnection(configId);
+                    this.db = db; 
+                }
+            }
+
+            /// <summary>
+            /// 扩展方法，自带方法不能满足的时候可以添加新方法
+            /// </summary>
+            /// <returns></returns>
+            public List<T> CommQuery(string sql)
+            {
+                //base.Context.Queryable<T>().ToList();可以拿到SqlSugarClient 做复杂操作
+                return base.Context.Queryable<T>().Where(sql).ToList();
+            }
+
+        }
+
+        [TenantAttribute("1")]
+        public class C1Table
+        {
+            public string Id { get; set; }
+        }
+        [TenantAttribute("2")]
+        public class C2Table
+        {
+            public string Id { get; set; }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Demo/DemoJ_Report.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Demo/DemoJ_Report.cs
new file mode 100644
index 000000000..f8e98922e
--- /dev/null
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Demo/DemoJ_Report.cs
@@ -0,0 +1,142 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public class DemoJ_Report
+    {
+        public static void Init()
+        {
+            Console.WriteLine("");
+            Console.WriteLine("#### Utilities Start ####");
+
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
+            {
+                DbType = DbType.SqlServer,
+                ConnectionString = Config.ConnectionString,
+                InitKeyType = InitKeyType.Attribute,
+                IsAutoCloseConnection = true,
+                AopEvents = new AopEvents
+                {
+                    OnLogExecuting = (sql, p) =>
+                    {
+                        Console.WriteLine(sql);
+                        Console.WriteLine(string.Join(",", p?.Select(it => it.ParameterName + ":" + it.Value)));
+                    }
+                }
+            });
+            Demo1(db);
+            Demo2(db);
+            Demo3(db);
+        }
+
+        private static void Demo1(SqlSugarClient db)
+        {
+            var list = new List<int>() { 1, 2, 3 };
+            var query1 = db.Queryable<Order>();
+            var queryable2 = db.Reportable(list).ToQueryable<int>();
+            var x = db.Queryable(query1, queryable2, (x1, x2) => x1.Id.Equals(x2.ColumnName))
+                .Select((x1, x2) => new { x = x1.Id, x2 = x2.ColumnName }).ToList();
+        }
+        private static void Demo2(SqlSugarClient db)
+        {
+            var list = db.Queryable<OrderItem>().ToList();
+            var query1 = db.Queryable<Order>();
+            var queryable2 = db.Reportable(list).ToQueryable();
+            var x = db.Queryable(query1, queryable2, (x1, x2) => x1.Id.Equals(x2.OrderId))
+                .Select((x1, x2) => new { name = x1.Name,id=x1.Id, orderid = x2.OrderId }).ToList();
+        }
+        private static void Demo3(SqlSugarClient db)
+        {
+            db.CodeFirst.InitTables<operateinfo>();
+            db.Deleteable<operateinfo>().ExecuteCommand();
+            db.Insertable(new operateinfo()
+            {
+                 id=1,
+                 operate_type=1,
+                 operate_time=Convert.ToDateTime("2021-1-1")
+            }).ExecuteCommand();
+            db.Insertable(new operateinfo()
+            {
+                id = 1,
+                operate_type = 1,
+                operate_time = Convert.ToDateTime("2021-1-2")
+            }).ExecuteCommand();
+            db.Insertable(new operateinfo()
+            {
+                id = 1,
+                operate_type = 1,
+                operate_time = Convert.ToDateTime("2021-3-1")
+            }).ExecuteCommand();
+            db.Insertable(new operateinfo()
+            {
+                id = 1,
+                operate_type = 1,
+                operate_time = Convert.ToDateTime("2021-3-2")
+            }).ExecuteCommand();
+            db.Insertable(new operateinfo()
+            {
+                id = 1,
+                operate_type = 1,
+                operate_time = Convert.ToDateTime("2021-4-2")
+            }).ExecuteCommand();
+
+
+            var queryableLeft = db.Reportable(ReportableDateType.MonthsInLast1years).ToQueryable<DateTime>();
+            var queryableRight = db.Queryable<operateinfo>();
+            var list= db.Queryable(queryableLeft, queryableRight, JoinType.Left,
+                (x1, x2) => x2.operate_time.ToString("yyyy-MM")== x1.ColumnName .ToString("yyyy-MM"))
+                .GroupBy((x1,x2)=>x1.ColumnName)
+                .Where(x1=>SqlFunc.Between(x1.ColumnName,"2021-01-01",DateTime.Now))
+                .Select((x1, x2) => new
+                {
+                    count=SqlFunc.AggregateSum(SqlFunc.IIF(x2.id>0,1,0)) ,
+                    date=x1.ColumnName.ToString("yyyy-MM")
+                    
+                }).ToList();
+        }
+
+
+        public partial class operateinfo
+        {
+            public operateinfo()
+            {
+
+
+            }
+            /// <summary>
+            /// Desc:操作序号
+            /// Default:
+            /// Nullable:False
+            /// </summary>           
+            public int id { get; set; }
+
+            /// <summary>
+            /// Desc:操作时间
+            /// Default:
+            /// Nullable:False
+            /// </summary>           
+            public DateTime operate_time { get; set; }
+
+            /// <summary>
+            /// Desc:操作类型
+            /// Default:
+            /// Nullable:False
+            /// </summary>           
+            public int operate_type { get; set; }
+
+            /// <summary>
+            /// Desc:操作人编号
+            /// Default:
+            /// Nullable:False
+            /// </summary>           
+            public int user_id { get; set; }
+
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Program.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Program.cs
index 182b9aa95..5afe2f00c 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Program.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSeverTest/Program.cs
@@ -31,7 +31,7 @@ namespace OrmTest
             DemoE_CodeFirst.Init();
             DemoF_Utilities.Init();
             DemoG_SimpleClient.Init();
-
+            DemoJ_Report.Init();
             //Unit test
             //NewUnitTest.Init();