diff --git a/README.md b/README.md
index 98786d5..1dca584 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,9 @@
 
 ## :book:使用方法
 
-**请以管理员身份运行本程序，由于修改了微信的 `WeChatWin.dll` 文件，杀毒软件可能会弹出警告，放行即可**
+**请以管理员身份运行本程序，由于修改了微信的 `WeChatWin.dll` 文件，杀毒软件可能会弹出警告，放行即可。**
+
+启动时会自动从注册表中获取微信的安装路径，如果没找到，需要手动选择微信路径。
 
 环境要求：
 
diff --git a/RevokeMsgPatcher/Program.cs b/RevokeMsgPatcher/Program.cs
index 2d5b549..7c19d17 100644
--- a/RevokeMsgPatcher/Program.cs
+++ b/RevokeMsgPatcher/Program.cs
@@ -14,45 +14,62 @@ namespace RevokeMsgPatcher
         [STAThread]
         static void Main()
         {
-            Application.EnableVisualStyles();
-            Application.SetCompatibleTextRenderingDefault(false);
+            try
+            {
+                Application.EnableVisualStyles();
+                Application.SetCompatibleTextRenderingDefault(false);
 
 #if DEBUG
-            Application.Run(new FormMain());
-#else
-            //当前用户是管理员的时候，直接启动应用程序
-            //如果不是管理员，则使用启动对象启动程序，以确保使用管理员身份运行
-            //获得当前登录的Windows用户标示
-            System.Security.Principal.WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent();
-            System.Security.Principal.WindowsPrincipal principal = new System.Security.Principal.WindowsPrincipal(identity);
-            //判断当前登录用户是否为管理员
-            if (principal.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator))
-            {
-                //如果是管理员，则直接运行
                 Application.Run(new FormMain());
-            }
-            else
-            {
-                //创建启动对象
-                System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
-                startInfo.UseShellExecute = true;
-                startInfo.WorkingDirectory = Environment.CurrentDirectory;
-                startInfo.FileName = Application.ExecutablePath;
-                //设置启动动作,确保以管理员身份运行
-                startInfo.Verb = "runas";
-                try
+#else
+                //当前用户是管理员的时候，直接启动应用程序
+                //如果不是管理员，则使用启动对象启动程序，以确保使用管理员身份运行
+                //获得当前登录的Windows用户标示
+                System.Security.Principal.WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent();
+                System.Security.Principal.WindowsPrincipal principal = new System.Security.Principal.WindowsPrincipal(identity);
+                //判断当前登录用户是否为管理员
+                if (principal.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator))
                 {
-                    System.Diagnostics.Process.Start(startInfo);
+                    //如果是管理员，则直接运行
+                    Application.Run(new FormMain());
                 }
-                catch
+                else
                 {
-                    return;
+                    //创建启动对象
+                    System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
+                    startInfo.UseShellExecute = true;
+                    startInfo.WorkingDirectory = Environment.CurrentDirectory;
+                    startInfo.FileName = Application.ExecutablePath;
+                    //设置启动动作,确保以管理员身份运行
+                    startInfo.Verb = "runas";
+                    try
+                    {
+                        System.Diagnostics.Process.Start(startInfo);
+                    }
+                    catch
+                    {
+                        return;
+                    }
+                    //退出
+                    Application.Exit();
                 }
-                //退出
-                Application.Exit();
-            }
-
 #endif
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+
+        static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
+        {
+            MessageBox.Show(e.Exception.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
+        }
+
+        static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
+        {
+            MessageBox.Show((e.ExceptionObject as Exception).Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
         }
     }
 }
diff --git a/RevokeMsgPatcher/Util.cs b/RevokeMsgPatcher/Util.cs
index 32e8668..3b40939 100644
--- a/RevokeMsgPatcher/Util.cs
+++ b/RevokeMsgPatcher/Util.cs
@@ -17,25 +17,32 @@ namespace RevokeMsgPatcher
         public static string AutoFindInstallPath()
         {
             // 微信的注册表路径
-            RegistryKey key = Registry.LocalMachine.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Uninstall\WeChat");
-            object installLocation = key.GetValue("InstallLocation");
-            key.Close();
-            if (installLocation == null || string.IsNullOrEmpty(installLocation.ToString()) || !IsWechatInstallPath(installLocation.ToString()))
+            try
             {
-                // 从默认安装目录查找
-                string[] drives = Environment.GetLogicalDrives(); //获取当前计算机逻辑磁盘名称列表
-                foreach (string d in drives)
+                RegistryKey key = Registry.LocalMachine.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Uninstall\WeChat");
+                object installLocation = key.GetValue("InstallLocation");
+                key.Close();
+                if (installLocation == null || string.IsNullOrEmpty(installLocation.ToString()) || !IsWechatInstallPath(installLocation.ToString()))
                 {
-                    string assertPath = Path.Combine(d, @"Program Files (x86)\Tencent\WeChat");
-                    if (IsWechatInstallPath(assertPath))
+                    // 从默认安装目录查找
+                    string[] drives = Environment.GetLogicalDrives(); //获取当前计算机逻辑磁盘名称列表
+                    foreach (string d in drives)
                     {
-                        return assertPath;
+                        string assertPath = Path.Combine(d, @"Program Files (x86)\Tencent\WeChat");
+                        if (IsWechatInstallPath(assertPath))
+                        {
+                            return assertPath;
+                        }
                     }
                 }
+                else
+                {
+                    return installLocation.ToString();
+                }
             }
-            else
+            catch(Exception e)
             {
-                return installLocation.ToString();
+                Console.WriteLine(e.Message);
             }
             return null;
         }