diff --git a/samples/Sample.Kafka.MySql/Controllers/ValuesController.cs b/samples/Sample.Kafka.MySql/Controllers/ValuesController.cs
index 361c606..9535b1d 100644
--- a/samples/Sample.Kafka.MySql/Controllers/ValuesController.cs
+++ b/samples/Sample.Kafka.MySql/Controllers/ValuesController.cs
@@ -1,8 +1,11 @@
 using System;
+using System.Data;
+using System.Data.SqlClient;
+using System.Transactions;
 using Dapper;
 using DotNetCore.CAP;
 using Microsoft.AspNetCore.Mvc;
-using MySql.Data.MySqlClient;
+//using MySql.Data.MySqlClient;
 
 namespace Sample.Kafka.MySql.Controllers
 {
@@ -28,17 +31,14 @@ namespace Sample.Kafka.MySql.Controllers
         public IActionResult AdonetWithTransaction()
         {
             //NOTE: Add `IgnoreCommandTransaction=true;` to your connection string, see https://github.com/mysql-net/MySqlConnector/issues/474
-            using (var connection = new MySqlConnection(Startup.ConnectionString))
+            using (var connection = new SqlConnection(Startup.ConnectionString))
             {
-                using (var transaction = connection.BeginAndJoinToTransaction(_capBus, autoCommit: false))
+                using (var transaction = connection.BeginTransaction(_capBus, autoCommit: false))
                 {
                     //your business code
-                    connection.Execute("insert into test(name) values('test')", transaction);
+                    connection.Execute("insert into dbo.test1(tname) values('test');", transaction: (IDbTransaction)transaction.DbTransaction);
 
-                    for (int i = 0; i < 5; i++)
-                    {
-                        _capBus.Publish("sample.rabbitmq.mysql", DateTime.Now);
-                    }
+                    _capBus.Publish("sample.rabbitmq.mysql", DateTime.Now);
 
                     transaction.Commit();
                 }
diff --git a/samples/Sample.Kafka.MySql/Startup.cs b/samples/Sample.Kafka.MySql/Startup.cs
index 9ff4345..583a416 100644
--- a/samples/Sample.Kafka.MySql/Startup.cs
+++ b/samples/Sample.Kafka.MySql/Startup.cs
@@ -6,13 +6,15 @@ namespace Sample.Kafka.MySql
     public class Startup
     {
         public const string ConnectionString = "Server=localhost;Database=testcap;UserId=root;Password=123123;";
+        //public const string ConnectionString = "Server=(localdb)\\ProjectsV13;Integrated Security=SSPI;Database=testcap";
 
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddCap(x =>
             {
                 x.UseMySql(ConnectionString);
-                x.UseKafka("localhost:9092");
+                //x.UseSqlServer(ConnectionString);
+                x.UseKafka("192.168.10.110:9092");
                 x.UseDashboard();
             });
 
diff --git a/samples/Sample.RabbitMQ.MongoDB/Controllers/ValuesController.cs b/samples/Sample.RabbitMQ.MongoDB/Controllers/ValuesController.cs
index c811c83..067b6d4 100644
--- a/samples/Sample.RabbitMQ.MongoDB/Controllers/ValuesController.cs
+++ b/samples/Sample.RabbitMQ.MongoDB/Controllers/ValuesController.cs
@@ -35,7 +35,7 @@ namespace Sample.RabbitMQ.MongoDB.Controllers
             //var mycollection = _client.GetDatabase("test").GetCollection<BsonDocument>("test.collection");
             //mycollection.InsertOne(new BsonDocument { { "test", "test" } });
 
-            using (var session = _client.StartAndJoinToTransaction(_capBus, autoCommit: false))
+            using (var session = _client.StartTransaction(_capBus, autoCommit: false))
             {
                 var collection = _client.GetDatabase("test").GetCollection<BsonDocument>("test.collection");
                 collection.InsertOne(session, new BsonDocument { { "hello", "world" } });
@@ -55,7 +55,7 @@ namespace Sample.RabbitMQ.MongoDB.Controllers
             //var mycollection = _client.GetDatabase("test").GetCollection<BsonDocument>("test.collection");
             //mycollection.InsertOne(new BsonDocument { { "test", "test" } });
 
-            using (var session = _client.StartAndJoinToTransaction(_capBus, autoCommit: true))
+            using (var session = _client.StartTransaction(_capBus, autoCommit: true))
             {
                 var collection = _client.GetDatabase("test").GetCollection<BsonDocument>("test.collection");
                 collection.InsertOne(session, new BsonDocument { { "hello", "world" } });
diff --git a/samples/Sample.RabbitMQ.MySql/Controllers/ValuesController.cs b/samples/Sample.RabbitMQ.MySql/Controllers/ValuesController.cs
index 7f31680..9fa3b82 100644
--- a/samples/Sample.RabbitMQ.MySql/Controllers/ValuesController.cs
+++ b/samples/Sample.RabbitMQ.MySql/Controllers/ValuesController.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Data;
 using Dapper;
 using DotNetCore.CAP;
 using Microsoft.AspNetCore.Mvc;
@@ -30,10 +31,10 @@ namespace Sample.RabbitMQ.MySql.Controllers
             //NOTE: Add `IgnoreCommandTransaction=true;` to your connection string, see https://github.com/mysql-net/MySqlConnector/issues/474
             using (var connection = new MySqlConnection(AppDbContext.ConnectionString))
             {
-                using (var transaction = connection.BeginAndJoinToTransaction(_capBus, autoCommit: false))
+                using (var transaction = connection.BeginTransaction(_capBus, autoCommit: false))
                 {
                     //your business code
-                    connection.Execute("insert into test(name) values('test')", transaction);
+                    connection.Execute("insert into test(name) values('test')", transaction: (IDbTransaction)transaction.DbTransaction);
 
                     for (int i = 0; i < 5; i++)
                     {
@@ -50,7 +51,7 @@ namespace Sample.RabbitMQ.MySql.Controllers
         [Route("~/ef/transaction")]
         public IActionResult EntityFrameworkWithTransaction([FromServices]AppDbContext dbContext)
         {
-            using (var trans = dbContext.Database.BeginAndJoinToTransaction(_capBus, autoCommit: false))
+            using (var trans = dbContext.Database.BeginTransaction(_capBus, autoCommit: false))
             {
                 dbContext.Persons.Add(new Person() { Name = "ef.transaction" });