diff --git a/MessageQueueDemo.sln b/MessageQueueDemo.sln
index d375bc3..800ae1c 100644
--- a/MessageQueueDemo.sln
+++ b/MessageQueueDemo.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26430.13
+VisualStudioVersion = 15.0.26430.14
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{9F74D311-DB70-4FA4-AE64-4FF6BAFB95A4}"
 EndProject
@@ -15,11 +15,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CHV.Infrastructure.MessageB
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CHV.Infrastructure.MessageBus.RabbitMq", "src\CHV.Infrastructure.MessageBus.RabbitMq\CHV.Infrastructure.MessageBus.RabbitMq.csproj", "{57F97F8E-C909-47E7-8E60-9E2E3341E76A}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MessageQueueDemo", "src\MessageQueueDemo\MessageQueueDemo.csproj", "{81CAB4A1-643D-42E4-B6CA-51BB4794C6EC}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RabbitMq.SubscriberConsoleTests", "test\RabbitMq.SubscriberConsoleTests\RabbitMq.SubscriberConsoleTests.csproj", "{340FA942-A9F1-4B1B-8FD9-56D70E4DF5A9}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RabbitMq.SubscriberConsoleTests", "test\RabbitMq.SubscriberConsoleTests\RabbitMq.SubscriberConsoleTests.csproj", "{340FA942-A9F1-4B1B-8FD9-56D70E4DF5A9}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RabbitMq.PublisherConsoleTests", "test\RabbitMq.PublisherConsoleTests\RabbitMq.PublisherConsoleTests.csproj", "{89A30230-89F8-45B3-9252-12FD884C7D48}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "RabbitMq.PublisherConsoleTests", "test\RabbitMq.PublisherConsoleTests\RabbitMq.PublisherConsoleTests.csproj", "{89A30230-89F8-45B3-9252-12FD884C7D48}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -43,10 +41,6 @@ Global
 		{57F97F8E-C909-47E7-8E60-9E2E3341E76A}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{57F97F8E-C909-47E7-8E60-9E2E3341E76A}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{57F97F8E-C909-47E7-8E60-9E2E3341E76A}.Release|Any CPU.Build.0 = Release|Any CPU
-		{81CAB4A1-643D-42E4-B6CA-51BB4794C6EC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{81CAB4A1-643D-42E4-B6CA-51BB4794C6EC}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{81CAB4A1-643D-42E4-B6CA-51BB4794C6EC}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{81CAB4A1-643D-42E4-B6CA-51BB4794C6EC}.Release|Any CPU.Build.0 = Release|Any CPU
 		{340FA942-A9F1-4B1B-8FD9-56D70E4DF5A9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{340FA942-A9F1-4B1B-8FD9-56D70E4DF5A9}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{340FA942-A9F1-4B1B-8FD9-56D70E4DF5A9}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -64,7 +58,6 @@ Global
 		{5A71E5B4-913C-4F7D-AA67-E61D3F549A17} = {9F74D311-DB70-4FA4-AE64-4FF6BAFB95A4}
 		{0FEF98B9-0141-47D2-B00C-166EFD611280} = {9F74D311-DB70-4FA4-AE64-4FF6BAFB95A4}
 		{57F97F8E-C909-47E7-8E60-9E2E3341E76A} = {9F74D311-DB70-4FA4-AE64-4FF6BAFB95A4}
-		{81CAB4A1-643D-42E4-B6CA-51BB4794C6EC} = {9F74D311-DB70-4FA4-AE64-4FF6BAFB95A4}
 		{340FA942-A9F1-4B1B-8FD9-56D70E4DF5A9} = {87399E30-9721-4E12-AFCC-9530E4980FAC}
 		{89A30230-89F8-45B3-9252-12FD884C7D48} = {87399E30-9721-4E12-AFCC-9530E4980FAC}
 	EndGlobalSection
diff --git a/src/CHV.Infrastructure.MessageBus.RabbitMq/PubSubClientBus.cs b/src/CHV.Infrastructure.MessageBus.RabbitMq/PubSubClientBus.cs
index 5f9474a..74473bf 100644
--- a/src/CHV.Infrastructure.MessageBus.RabbitMq/PubSubClientBus.cs
+++ b/src/CHV.Infrastructure.MessageBus.RabbitMq/PubSubClientBus.cs
@@ -1,6 +1,5 @@
 using Newtonsoft.Json;
 using RabbitMQ.Client;
-using RabbitMQ.Client.Events;
 using System;
 using System.Reactive;
 using System.Reactive.Linq;
@@ -16,6 +15,9 @@ public PubSubClientBus(string uri, string exchangeName = "", string exchangeType
         {
         }
 
+        /*
+         * Publish & Request need routingKey and exchangeName
+         */
         public IObservable<Unit> Publish<TMessage>(TMessage message)
         {
             return Observable.Start(() =>
@@ -26,6 +28,9 @@ public IObservable<Unit> Publish<TMessage>(TMessage message)
             });
         }
 
+        /*
+         * Subscribe & Respond need queueName
+         */
         public IObservable<Unit> Subscribe<TMessage>(Func<TMessage, Task> subscribeHandler)
         {
             return Observable.Start(() =>
diff --git a/src/CHV.Infrastructure.MessageBus.RabbitMq/RequestClientBus.cs b/src/CHV.Infrastructure.MessageBus.RabbitMq/RequestClientBus.cs
index 40ab6a0..987ba7d 100644
--- a/src/CHV.Infrastructure.MessageBus.RabbitMq/RequestClientBus.cs
+++ b/src/CHV.Infrastructure.MessageBus.RabbitMq/RequestClientBus.cs
@@ -32,7 +32,8 @@ protected override void CreateConsumer()
         }
 
         /*
-         * ~Publish
+         * Publish & Request need routingKey and exchangeName
+         *
          * Note: The client needs to create its consumer before publishing the request
          * (otherwise the broker can't substitute reply_to correctly,
          * and you see that ChannelClose exception as the result,
diff --git a/src/CHV.Infrastructure.MessageBus.RabbitMq/RespondClientBus.cs b/src/CHV.Infrastructure.MessageBus.RabbitMq/RespondClientBus.cs
index 66e5a9d..5379fbb 100644
--- a/src/CHV.Infrastructure.MessageBus.RabbitMq/RespondClientBus.cs
+++ b/src/CHV.Infrastructure.MessageBus.RabbitMq/RespondClientBus.cs
@@ -15,7 +15,7 @@ public RespondClientBus(string uri, string exchangeName = "", string exchangeTyp
         }
 
         /*
-         * ~Subscribe
+         * Subscribe & Respond need queueName
          */
         public async Task RespondAsync<TRequest, TResponse>(Func<TRequest, Task<TResponse>> respondHandler)
         {
diff --git a/src/MessageQueueDemo/MessageQueueDemo.csproj b/src/MessageQueueDemo/MessageQueueDemo.csproj
deleted file mode 100644
index 954020d..0000000
--- a/src/MessageQueueDemo/MessageQueueDemo.csproj
+++ /dev/null
@@ -1,7 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>netstandard1.4</TargetFramework>
-  </PropertyGroup>
-
-</Project>
\ No newline at end of file