diff --git a/ProxySU/MainWindow.xaml b/ProxySU/MainWindow.xaml
index e58366a..c4c470c 100644
--- a/ProxySU/MainWindow.xaml
+++ b/ProxySU/MainWindow.xaml
@@ -5,7 +5,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:ProxySU"
         mc:Ignorable="d"
-        Title="ProxySU - v2.4.23 Beta3" Height="675" Width="650">
+        Title="ProxySU - v2.4.23 Beta4" Height="675" Width="650">
     <!--以下样式参考自：https://yq.aliyun.com/articles/331878
 	https://docs.microsoft.co/en-us/dotnet/desktop-wpf/fundamentals/styles-templates-overview-->
     <Window.Resources>
diff --git a/ProxySU/MainWindow.xaml.cs b/ProxySU/MainWindow.xaml.cs
index f9c7052..ef286ad 100644
--- a/ProxySU/MainWindow.xaml.cs
+++ b/ProxySU/MainWindow.xaml.cs
@@ -7484,7 +7484,7 @@ namespace ProxySU
                     currentStatus = Application.Current.FindResource("DisplayInstallInfo_FindFastestSetUpNat64Failed").ToString();
                     MainWindowsShowInfo(currentStatus);
                     MessageBox.Show(currentStatus);
-                    FunctionResultErr();
+                    //FunctionResultErr();
                     client.Disconnect();
                     return false;
                 }
@@ -7493,8 +7493,13 @@ namespace ProxySU
                 currentStatus = Application.Current.FindResource("DisplayInstallInfo_SetUpNat64").ToString();
                 MainWindowsShowInfo(currentStatus);
 
-                sshShellCommand = @"mv /etc/resolv.conf /etc/resolv.conf.bak";
-                currentShellCommandResult = MainWindowsShowCmd(client, sshShellCommand);
+                functionResult = FileCheckExists(client, @"/etc/resolv.conf.proxysu");
+                if (functionResult == false)
+                {
+                    sshShellCommand = @"mv /etc/resolv.conf /etc/resolv.conf.proxysu";
+                    currentShellCommandResult = MainWindowsShowCmd(client, sshShellCommand);
+                }
+               
 
                 foreach (string gateip in dns64)
                 {
@@ -7511,10 +7516,7 @@ namespace ProxySU
                     }
 
                 }
-                
-                
-                //sshShellCommand = $"echo \"nameserver   {dns64[1]}\" >>/etc/resolv.conf";
-                //currentShellCommandResult = MainWindowsShowCmd(client, sshShellCommand);
+
             }
             else
             {
@@ -7523,7 +7525,7 @@ namespace ProxySU
                 MainWindowsShowInfo(currentStatus);
                 sshShellCommand = @"rm /etc/resolv.conf";
                 currentShellCommandResult = MainWindowsShowCmd(client, sshShellCommand);
-                sshShellCommand = @"ln -s /etc/resolvconf/run/resolv.conf /etc/resolv.conf";
+                sshShellCommand = @"mv /etc/resolv.conf.proxysu /etc/resolv.conf";
                 currentShellCommandResult = MainWindowsShowCmd(client, sshShellCommand);
             }
            
@@ -7947,9 +7949,10 @@ namespace ProxySU
             }
             if (onlyIpv6 == true)
             {
-                SetUpNat64(client, true);
-                sshShellCommand = $"{sshCmdUpdate}";
-                currentShellCommandResult = MainWindowsShowCmd(client, sshShellCommand);
+                functionResult = SetUpNat64(client, true);
+                if (functionResult == false) { FunctionResultErr(); client.Disconnect(); return false; }
+                //sshShellCommand = $"{sshCmdUpdate}";
+                //currentShellCommandResult = MainWindowsShowCmd(client, sshShellCommand);
             }
           
             //****** "检测端口占用情况......" ******
diff --git a/ProxySU/bin/Beta/Beta.zip b/ProxySU/bin/Beta/Beta.zip
index 74f524b..386ffe8 100644
Binary files a/ProxySU/bin/Beta/Beta.zip and b/ProxySU/bin/Beta/Beta.zip differ