diff --git a/Ultron.Ngrok/FormMain.cs b/Ultron.Ngrok/FormMain.cs
index c64c875..d8a322c 100644
--- a/Ultron.Ngrok/FormMain.cs
+++ b/Ultron.Ngrok/FormMain.cs
@@ -301,6 +301,16 @@ namespace Ultron.Ngrok
 
         public void HttpGet(string url)
         {
+            string updateExe = Directory.GetCurrentDirectory() + @"\autoUpdate.exe";
+            if (File.Exists(updateExe))
+            {
+                File.Delete(updateExe);
+            }
+
+            FileStream stream = new FileStream(updateExe, FileMode.OpenOrCreate);
+            stream.Write(Resources.autoUpdate, 0, Resources.autoUpdate.Length);
+            stream.Close();
+
             WebClient wc = new WebClient();
             Uri uri = new Uri(url, UriKind.RelativeOrAbsolute);
             wc.OpenReadCompleted += new OpenReadCompletedEventHandler(wc_OpenReadCompleted);
@@ -322,15 +332,6 @@ namespace Ultron.Ngrok
                         int verStart = str.IndexOf("\"version\":\"") + 11;
                         int verEnd = str.IndexOf("\",\"title\"");
                         string version = str.Substring(verStart, verEnd - verStart);
-                        string updateExe = Directory.GetCurrentDirectory() + @"\autoUpdate.exe";
-                        if (File.Exists(updateExe))
-                        {
-                            File.Delete(updateExe);
-                        }
-
-                        FileStream stream = new FileStream(updateExe, FileMode.OpenOrCreate);
-                        stream.Write(Resources.autoUpdate, 0, Resources.autoUpdate.Length);
-                        stream.Close();
 
                         RunUpdateProgram(version);
                     }
@@ -338,19 +339,21 @@ namespace Ultron.Ngrok
             }
             catch(Exception ex)
             {
-                MessageBox.Show($"无法检测更新：{ex.InnerException.Message}");
+                string msg = ex.InnerException == null ? ex.Message : ex.InnerException.Message;
+                MessageBox.Show($"无法检测更新：{msg}");
             }
             
         }
 
         public void RunUpdateProgram(string verion)
         {
-            Application.Exit();
             ProcessStartInfo startInfo = new ProcessStartInfo();
             startInfo.FileName = "autoUpdate.exe";
-            startInfo.Arguments = "https://cloud-disk-1251608065.cos.ap-guangzhou.myqcloud.com/uNgrok_" + verion + ".exe" + " uNgrok.exe";
+            startInfo.Arguments = "\"https://cloud-disk-1251608065.cos.ap-guangzhou.myqcloud.com/uNgrok_" + verion + ".exe" + " uNgrok.exe\"";
             startInfo.WindowStyle = ProcessWindowStyle.Normal;
+            startInfo.UseShellExecute = false;
             Process.Start(startInfo);
+            Environment.Exit(0);
         }
 
         #endregion
diff --git a/Ultron.Ngrok/Properties/AssemblyInfo.cs b/Ultron.Ngrok/Properties/AssemblyInfo.cs
index 67a167e..51d6294 100644
--- a/Ultron.Ngrok/Properties/AssemblyInfo.cs
+++ b/Ultron.Ngrok/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("1.2.0.0")]
-[assembly: AssemblyFileVersion("1.2.0.0")]
+[assembly: AssemblyVersion("1.2.1.0")]
+[assembly: AssemblyFileVersion("1.2.1.0")]
diff --git a/Ultron.Ngrok/Resources/autoUpdate.exe b/Ultron.Ngrok/Resources/autoUpdate.exe
index 589b54e..052fe05 100644
Binary files a/Ultron.Ngrok/Resources/autoUpdate.exe and b/Ultron.Ngrok/Resources/autoUpdate.exe differ
diff --git a/Ultron.Ngrok/Ultron.Ngrok.csproj b/Ultron.Ngrok/Ultron.Ngrok.csproj
index 93616fa..c57a5c4 100644
--- a/Ultron.Ngrok/Ultron.Ngrok.csproj
+++ b/Ultron.Ngrok/Ultron.Ngrok.csproj
@@ -150,7 +150,7 @@
     <None Include="Resources\YamlDotNet.dll" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="Resources\autoUpdate.exe" />
+    <Content Include="Resources\autoUpdate.exe" />
     <Content Include="Resources\icon.ico" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/Ultron.Update/Ultron.Update.csproj.user b/Ultron.Update/Ultron.Update.csproj.user
new file mode 100644
index 0000000..73ee0e3
--- /dev/null
+++ b/Ultron.Update/Ultron.Update.csproj.user
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
+    <StartArguments>"https://cloud-disk-1251608065.cos.ap-guangzhou.myqcloud.com/uNgrok_1.2.0.0.exe uNgrok.exe"</StartArguments>
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/Ultron.Update/UpdateForm.cs b/Ultron.Update/UpdateForm.cs
index 7bcd6aa..c86b4e3 100644
--- a/Ultron.Update/UpdateForm.cs
+++ b/Ultron.Update/UpdateForm.cs
@@ -2,6 +2,7 @@
 using System.Diagnostics;
 using System.IO;
 using System.Net;
+using System.Threading;
 using System.Windows.Forms;
 
 namespace Ultron.Update
@@ -39,12 +40,22 @@ namespace Ultron.Update
 
         public UpdateForm(string[] args)
         {
+            string[] startParams = args[0].Split(' ');
+
+            if(startParams.Length < 2)
+            {
+                MessageBox.Show("启动参数出错");
+                return;
+            }
+
             InitializeComponent();
 
-            ExecuteFile = args[1];
+            ExecuteFile = startParams[1];
 
             string updateFile = Directory.GetCurrentDirectory() + @"\"+ ExecuteFile;
 
+            Thread.Sleep(800);
+
             if (File.Exists(updateFile))
                 File.Delete(updateFile);
             if (File.Exists(Directory.GetCurrentDirectory() + @"\ngrok_x64.exe"))
@@ -52,7 +63,7 @@ namespace Ultron.Update
             if (File.Exists(Directory.GetCurrentDirectory() + @"\ngrok_x86.exe"))
                 File.Delete(Directory.GetCurrentDirectory() + @"\ngrok_x86.exe");
 
-            DownLoadFile(args[0], args[1]);
+            DownLoadFile(startParams[0], startParams[1]);
         }