diff --git a/src/ST.Client.Desktop.Mac/Services/Implementation/MacDesktopPlatformServiceImpl.cs b/src/ST.Client.Desktop.Mac/Services/Implementation/MacDesktopPlatformServiceImpl.cs
index 0f2409860..cdb8f9b20 100644
--- a/src/ST.Client.Desktop.Mac/Services/Implementation/MacDesktopPlatformServiceImpl.cs
+++ b/src/ST.Client.Desktop.Mac/Services/Implementation/MacDesktopPlatformServiceImpl.cs
@@ -27,11 +27,10 @@ namespace System.Application.Services.Implementation
             Threading.Tasks.Task.Run(async () =>
             {
                 var file = new FileInfo(Path.Combine(IOPath.AppDataDirectory, $@"sudoShell.js"));
-                int index = 0;
                 if (file.Exists)
                     file.Delete();
                 var vm = new UI.ViewModels.PasswordWindowViewModel();
-                vm.SetTitle = AppResources.MacSudoPasswordTips;
+                vm.Title = AppResources.MacSudoPasswordTips;
                 await IShowWindowService.Instance.ShowDialog(CustomWindow.Password, vm, string.Empty, ResizeModeCompat.CanResize);
                 var scriptContent = new Text.StringBuilder();
                 scriptContent.AppendLine($"#!/bin/bash -e");
diff --git a/src/ST.Client.Desktop/UI/ViewModels/Windows/LocalAuthPage/PasswordWindowViewModel.cs b/src/ST.Client.Desktop/UI/ViewModels/Windows/LocalAuthPage/PasswordWindowViewModel.cs
index 7f861d2bc..7b0089a4a 100644
--- a/src/ST.Client.Desktop/UI/ViewModels/Windows/LocalAuthPage/PasswordWindowViewModel.cs
+++ b/src/ST.Client.Desktop/UI/ViewModels/Windows/LocalAuthPage/PasswordWindowViewModel.cs
@@ -21,14 +21,7 @@ namespace System.Application.UI.ViewModels
         {
             get => _Password;
             set => this.RaiseAndSetIfChanged(ref _Password, value);
-        }
-        public string? SetTitle
-        {
-            get => Title;
-            set {
-                Title = value??"";
-            }
-        }
+        } 
 
         string? ITextBoxWindowViewModel.Value { get => Password; set => Password = value; }
 
diff --git a/src/ST.Client/Services/Implementation/HttpProxyServiceImpl.cs b/src/ST.Client/Services/Implementation/HttpProxyServiceImpl.cs
index 9405d47d1..e4135f2d3 100644
--- a/src/ST.Client/Services/Implementation/HttpProxyServiceImpl.cs
+++ b/src/ST.Client/Services/Implementation/HttpProxyServiceImpl.cs
@@ -337,7 +337,9 @@ namespace System.Application.Services.Implementation
                 Toast.Show(SR.CreateCertificateFaild);
                 return false;
             }
+
             var filePath = Path.Combine(IOPath.AppDataDirectory, $@"{CertificateName}.Certificate.cer");
+            try {
             proxyServer.CertificateManager.RootCertificate.SaveCerCertificateFile(filePath);
 
             proxyServer.CertificateManager.TrustRootCertificate();
@@ -347,6 +349,10 @@ namespace System.Application.Services.Implementation
             {
                 //安装证书
                 IPlatformService.Instance.AdminShell($"security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain {filePath}");
+                }
+            }
+            catch (Exception e) {
+                Log.Error("CerError", e,"证书安装失败");
             }
             return IsCertificateInstalled(proxyServer.CertificateManager.RootCertificate);
         }