diff --git a/Test/RealtimeApp/Program.cs b/Test/RealtimeApp/Program.cs
index cdf0fcd..01ef348 100644
--- a/Test/RealtimeApp/Program.cs
+++ b/Test/RealtimeApp/Program.cs
@@ -1,9 +1,39 @@
 using System;
+using LeanCloud;
+using LeanCloud.Realtime;
+
+using static System.Console;
 
 namespace RealtimeApp {
     class Program {
         static void Main(string[] args) {
             Console.WriteLine("Hello World!");
+
+            SingleThreadSynchronizationContext.Run(async () => {
+                LCLogger.LogDelegate += Print;
+                LCApplication.Initialize("ikGGdRE2YcVOemAaRbgp1xGJ-gzGzoHsz", "NUKmuRbdAhg1vrb2wexYo1jo", "https://ikggdre2.lc-cn-n1-shared.com");
+
+                LCIMClient client = new LCIMClient("lean");
+                await client.Open();
+                //await client.Close();
+            });
+        }
+
+        static void Print(LCLogLevel level, string info) {
+            switch (level) {
+                case LCLogLevel.Debug:
+                    WriteLine($"[DEBUG] {DateTime.Now} {info}\n");
+                    break;
+                case LCLogLevel.Warn:
+                    WriteLine($"[WARNING] {DateTime.Now} {info}\n");
+                    break;
+                case LCLogLevel.Error:
+                    WriteLine($"[ERROR] {DateTime.Now} {info}\n");
+                    break;
+                default:
+                    WriteLine(info);
+                    break;
+            }
         }
     }
 }
diff --git a/Test/RealtimeApp/RealtimeApp.csproj b/Test/RealtimeApp/RealtimeApp.csproj
index 958d2f1..075081d 100644
--- a/Test/RealtimeApp/RealtimeApp.csproj
+++ b/Test/RealtimeApp/RealtimeApp.csproj
@@ -5,4 +5,9 @@
     <TargetFramework>netcoreapp3.0</TargetFramework>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\..\Common\Common.csproj" />
+    <ProjectReference Include="..\..\Realtime\Realtime.csproj" />
+    <ProjectReference Include="..\..\Storage\Storage.csproj" />
+  </ItemGroup>
 </Project>
diff --git a/Test/RealtimeApp/SingleThreadSynchronizationContext.cs b/Test/RealtimeApp/SingleThreadSynchronizationContext.cs
index cd08e62..fdfb2c9 100644
--- a/Test/RealtimeApp/SingleThreadSynchronizationContext.cs
+++ b/Test/RealtimeApp/SingleThreadSynchronizationContext.cs
@@ -4,7 +4,7 @@ using System.Threading.Tasks;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 
-namespace LeanCloud.Common {
+namespace RealtimeApp {
     /// <summary>
     /// 单线程环境，用于控制台应用 await 返回
     /// </summary>
diff --git a/csharp-sdk.sln b/csharp-sdk.sln
index e1291ca..166d2e2 100644
--- a/csharp-sdk.sln
+++ b/csharp-sdk.sln
@@ -13,6 +13,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Realtime", "Realtime\Realti
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Realtime.Test", "Test\Realtime.Test\Realtime.Test.csproj", "{746B0DE6-C504-4568-BA6D-4A08A91A5E35}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RealtimeApp", "Test\RealtimeApp\RealtimeApp.csproj", "{4CB5E8C3-B1FC-45C3-B882-A9A43DFC6B1C}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,10 +41,15 @@ Global
 		{746B0DE6-C504-4568-BA6D-4A08A91A5E35}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{746B0DE6-C504-4568-BA6D-4A08A91A5E35}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{746B0DE6-C504-4568-BA6D-4A08A91A5E35}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4CB5E8C3-B1FC-45C3-B882-A9A43DFC6B1C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4CB5E8C3-B1FC-45C3-B882-A9A43DFC6B1C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4CB5E8C3-B1FC-45C3-B882-A9A43DFC6B1C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4CB5E8C3-B1FC-45C3-B882-A9A43DFC6B1C}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{531F8181-FFE0-476E-9D0A-93F13CAD1183} = {C827DA2F-6AB4-48D8-AB5B-6DAB925F8933}
 		{746B0DE6-C504-4568-BA6D-4A08A91A5E35} = {C827DA2F-6AB4-48D8-AB5B-6DAB925F8933}
+		{4CB5E8C3-B1FC-45C3-B882-A9A43DFC6B1C} = {C827DA2F-6AB4-48D8-AB5B-6DAB925F8933}
 	EndGlobalSection
 	GlobalSection(MonoDevelopProperties) = preSolution
 		version = 0.1.0