diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/AppConfigHelper.cs b/net.nutcore.aliddns/net.nutcore.aliddns/AppConfigHelper.cs
index f42f616..d26e4f7 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/AppConfigHelper.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/AppConfigHelper.cs
@@ -122,9 +122,9 @@ namespace net.nutcore.aliddns
             xmlDoc.Indent = true;
             XmlWriter xw = XmlWriter.Create(configFilePath, xmlDoc);
             xElement.Save(xw);//写入文件
-            xw.Dispose();
+            //xw.Dispose();
             //xw.Flush();
-            //xw.Close();
+            xw.Close();
         }
 
         /// <summary>
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs b/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs
index d894be5..1186753 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Form_main.cs
@@ -528,9 +528,9 @@ namespace net.nutcore.aliddns
             }
         }
 
-        private async void toolStripMenuItem_Quit_Click(object sender, EventArgs e)
+        private void toolStripMenuItem_Quit_Click(object sender, EventArgs e)
         {
-            await ngrok.Stop();
+            ngrok.Stop();
             this.Dispose();
         }
 
@@ -795,7 +795,7 @@ namespace net.nutcore.aliddns
                 MessageBox.Show("获取新版本信息失败！");
         }
 
-        private async void checkBox_ngrok_CheckedChanged(object sender, EventArgs e)
+        private void checkBox_ngrok_CheckedChanged(object sender, EventArgs e)
         {
             
             if (checkBox_ngrok.Checked == true)
@@ -806,7 +806,7 @@ namespace net.nutcore.aliddns
                 if (ngrok.IsExists())
                 {
                     textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "Ngrok功能启用，ngrok.exe将自动加载！本机浏览器打开：http://127.0.0.1:4040 查看运行状态。" + "\r\n");
-                    await ngrok.Start();
+                    ngrok.Start();
                 }
                 else
                 {
@@ -816,7 +816,7 @@ namespace net.nutcore.aliddns
             else
             {
                 cfg.SaveAppSetting("ngrokauto", "Off");
-                await ngrok.Stop();
+                ngrok.Stop();
                 button_ngrok.Enabled = true;
                 textBox_log.AppendText(System.DateTime.Now.ToString() + " " + "Ngrok功能关闭，再次启动将不会加载！" + "\r\n");
             }
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/NgrokHelper.cs b/net.nutcore.aliddns/net.nutcore.aliddns/NgrokHelper.cs
index 5c00a38..b8891af 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/NgrokHelper.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/NgrokHelper.cs
@@ -3,6 +3,7 @@ using System;
 using System.Diagnostics;
 using System.IO;
 using System.Net;
+using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using YamlDotNet.Serialization;
@@ -179,7 +180,7 @@ namespace net.nutcore.aliddns
             File.WriteAllText(FileConfig, yaml);
         }
 
-        public async Task Start(int code = 0)
+        public void Start(int code = 0)
         {
             var exec = new ProcessStartInfo();
             exec.WorkingDirectory = CurrentDirectory;
@@ -209,7 +210,7 @@ namespace net.nutcore.aliddns
 
             try
             {
-                await Task.Run(() =>
+                Thread thread = new Thread(() =>
                 {
                     var proc = Process.Start(exec);
                     proc.WaitForExit();
@@ -222,9 +223,9 @@ namespace net.nutcore.aliddns
             }
         }
 
-        public async Task Stop()
+        public void Stop()
         {
-            await Task.Run(() =>
+            Thread thread = new Thread(() =>
             {
                 Process[] pList = Process.GetProcessesByName("Ngrok");
                 foreach (Process p in pList)
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/AssemblyInfo.cs b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/AssemblyInfo.cs
index 300650a..ae84285 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/AssemblyInfo.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 //可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值，
 // 方法是按如下所示使用“*”: :
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.8.5.0")]
-[assembly: AssemblyFileVersion("3.8.5.0")]
+[assembly: AssemblyVersion("3.8.6.0")]
+[assembly: AssemblyFileVersion("3.8.6.0")]
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Settings.Designer.cs b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Settings.Designer.cs
index 5b41329..fa2ebc3 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Settings.Designer.cs
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/Properties/Settings.Designer.cs
@@ -1,28 +1,24 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
-//     This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
+//     此代码由工具生成。
+//     运行时版本:4.0.30319.42000
 //
-//     Changes to this file may cause incorrect behavior and will be lost if
-//     the code is regenerated.
+//     对此文件的更改可能会导致不正确的行为，并且如果
+//     重新生成代码，这些更改将会丢失。
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-namespace net.nutcore.aliddns.Properties
-{
-
-
+namespace net.nutcore.aliddns.Properties {
+    
+    
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "11.0.0.0")]
-    internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase
-    {
-
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "14.0.0.0")]
+    internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
+        
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
-
-        public static Settings Default
-        {
-            get
-            {
+        
+        public static Settings Default {
+            get {
                 return defaultInstance;
             }
         }
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-alidns.dll b/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-alidns.dll
index 339b3f9..3468044 100644
Binary files a/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-alidns.dll and b/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-alidns.dll differ
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-core.dll b/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-core.dll
index e11b4a8..3e08443 100644
Binary files a/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-core.dll and b/net.nutcore.aliddns/net.nutcore.aliddns/aliyun-net-sdk-core.dll differ
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/app.config b/net.nutcore.aliddns/net.nutcore.aliddns/app.config
new file mode 100644
index 0000000..3f26b59
--- /dev/null
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/app.config
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" /></startup>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-2.2.29.0" newVersion="2.2.29.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj b/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj
index b673beb..aaff07e 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/net.nutcore.aliddns.csproj
@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>net.nutcore.aliddns</RootNamespace>
     <AssemblyName>AliDDNS</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <IsWebBootstrapper>false</IsWebBootstrapper>
@@ -27,6 +27,7 @@
     <ApplicationVersion>0.0.0.%2a</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -60,7 +61,7 @@
       <HintPath>aliyun-net-sdk-core.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=11.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.11.0.2\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\packages\Newtonsoft.Json.11.0.2\lib\net40\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="PresentationCore" />
@@ -69,21 +70,46 @@
     <Reference Include="System.configuration" />
     <Reference Include="System.Core" />
     <Reference Include="System.DirectoryServices" />
-    <Reference Include="System.Xaml" />
+    <Reference Include="System.IO, Version=2.6.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Bcl.1.1.10\lib\net40\System.IO.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Net.Http, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net40\System.Net.Http.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Net.Http.Extensions, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net40\System.Net.Http.Extensions.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Net.Http.Primitives, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net40\System.Net.Http.Primitives.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Net.Http.WebRequest, Version=2.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Net.Http.2.2.29\lib\net40\System.Net.Http.WebRequest.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Runtime, Version=2.6.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Bcl.1.1.10\lib\net40\System.Runtime.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Threading.Tasks, Version=2.6.10.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Bcl.1.1.10\lib\net40\System.Threading.Tasks.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Data" />
     <Reference Include="System.Deployment" />
     <Reference Include="System.Drawing" />
-    <Reference Include="System.Net.Http" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml" />
     <Reference Include="UIAutomationProvider" />
     <Reference Include="WindowsBase" />
     <Reference Include="WindowsFormsIntegration" />
     <Reference Include="YamlDotNet, Version=0.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\YamlDotNet.4.3.2\lib\net45\YamlDotNet.dll</HintPath>
+      <HintPath>..\packages\YamlDotNet.5.0.1\lib\net35\YamlDotNet.dll</HintPath>
       <Private>True</Private>
     </Reference>
   </ItemGroup>
@@ -130,6 +156,7 @@
       <DependentUpon>Resources.resx</DependentUpon>
       <DesignTime>True</DesignTime>
     </Compile>
+    <None Include="app.config" />
     <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
@@ -175,6 +202,11 @@
     <PreBuildEvent>
     </PreBuildEvent>
   </PropertyGroup>
+  <Import Project="..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" />
+  <Target Name="EnsureBclBuildImported" BeforeTargets="BeforeBuild" Condition="'$(BclBuildImported)' == ''">
+    <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=317567." HelpKeyword="BCLBUILD2001" />
+    <Error Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="The build restored NuGet packages. Build the project again to include these packages in the build. For more information, see http://go.microsoft.com/fwlink/?LinkID=317568." HelpKeyword="BCLBUILD2002" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/net.nutcore.aliddns/net.nutcore.aliddns/packages.config b/net.nutcore.aliddns/net.nutcore.aliddns/packages.config
index 6100b09..69f9cbb 100644
--- a/net.nutcore.aliddns/net.nutcore.aliddns/packages.config
+++ b/net.nutcore.aliddns/net.nutcore.aliddns/packages.config
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net452" />
-  <package id="YamlDotNet" version="4.3.2" targetFramework="net452" />
+  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="net40" />
+  <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="net40" />
+  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net40" />
+  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net40" />
+  <package id="YamlDotNet" version="5.0.1" targetFramework="net40" />
 </packages>
\ No newline at end of file