init update

DotNettyFrom.sln

 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestServer", "TestServer\TestServer.csproj", "{4ED061B5-251E-4813-ABAD-4B6B57A4FC67}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DotNettyFromTests", "DotNettyFromTests\DotNettyFromTests.csproj", "{BE93EEC6-53F3-43B9-B4BB-291CDAE46290}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
 		{4ED061B5-251E-4813-ABAD-4B6B57A4FC67}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4ED061B5-251E-4813-ABAD-4B6B57A4FC67}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4ED061B5-251E-4813-ABAD-4B6B57A4FC67}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BE93EEC6-53F3-43B9-B4BB-291CDAE46290}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BE93EEC6-53F3-43B9-B4BB-291CDAE46290}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BE93EEC6-53F3-43B9-B4BB-291CDAE46290}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BE93EEC6-53F3-43B9-B4BB-291CDAE46290}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

DotNettyFrom/Form1.cs

 
         private void BtnDisConn_Click(object sender, EventArgs e)
         {
-            nc.StopNetty();
-            t.Abort();
+            nc?.StopNetty();
+            t?.Abort();
         }
 
         private void BtnSendData_Click(object sender, EventArgs e)

DotNettyFrom/netty/NettyClient.cs

             }
             catch (Exception e)
             {
+                //连接出错,服务器没开启....
                 Console.WriteLine(e);
                 await _group.ShutdownGracefullyAsync(TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1));
             }
 
         public void StopNetty()
         {
-            Context.Channel.CloseAsync();
+            Context?.Channel.CloseAsync();
             _group?.ShutdownGracefullyAsync(TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1));
             _group = null;
-            Context.CloseAsync();
             Context = null;
             _clientHandler = null;
         }

DotNettyFromTests/DotNettyFromTests.csproj

         <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
       </ItemGroup>
     </When>
-    <Otherwise>
-      <ItemGroup>
-        <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework" />
-      </ItemGroup>
-    </Otherwise>
+    <Otherwise />
   </Choose>
   <ItemGroup>
+    <Compile Include="common\UIInfoModelTests.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\DotNettyFrom\DotNettyFrom.csproj">
+      <Project>{2348CBA6-AD06-457D-9F0C-06BFB0F432CE}</Project>
+      <Name>DotNettyFrom</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Choose>
     <When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
       <ItemGroup>