diff --git a/Consts/MainConst.cs b/Consts/MainConst.cs
index 0712d02..f24b2f4 100644
--- a/Consts/MainConst.cs
+++ b/Consts/MainConst.cs
@@ -9,7 +9,7 @@ internal enum SettingsMode
 
     internal static string DefaultUpstreamUrl => "https://gitlab.com/SpaceTimee/Cealing-Host/raw/main/Cealing-Host.json";
 
-    [GeneratedRegex(@"^(((ht|f)tps?):\/\/)?[a-zA-Z0-9](-*[a-zA-Z0-9])*(\.[a-zA-Z0-9](-*[a-zA-Z0-9])*)*(:\d{1,5})?(\/[a-zA-Z0-9.\-_\~\!\$\&\'\(\)\*\+\,\;\=\:\@\%]*)*$")]
+    [GeneratedRegex(@"^(https?:\/\/)?[a-zA-Z0-9](-*[a-zA-Z0-9])*(\.[a-zA-Z0-9](-*[a-zA-Z0-9])*)*(:\d{1,5})?(\/[a-zA-Z0-9.\-_\~\!\$\&\'\(\)\*\+\,\;\=\:\@\%]*)*$")]
     internal static partial Regex UpstreamUrlRegex();
 
     [GeneratedRegex(@"^(--[a-z](-?[a-z])*( --[a-z](-?[a-z])*)*)?$")]
diff --git a/Preses/MainPres.cs b/Preses/MainPres.cs
index 7b76e21..52f5120 100644
--- a/Preses/MainPres.cs
+++ b/Preses/MainPres.cs
@@ -16,15 +16,15 @@ internal MainPres(string[] args)
         int upstreamUrlIndex = Array.FindIndex(args, arg => arg.Equals("-u", StringComparison.OrdinalIgnoreCase)) + 1;
         int extraArgsIndex = Array.FindIndex(args, arg => arg.Equals("-e", StringComparison.OrdinalIgnoreCase)) + 1;
 
-        BrowserPath = browserPathIndex == 0 ?
+        BrowserPath = browserPathIndex == 0 || browserPathIndex == args.Length ?
             (!string.IsNullOrWhiteSpace(Settings.Default.BrowserPath) ? Settings.Default.BrowserPath : string.Empty) :
             args[browserPathIndex];
 
-        UpstreamUrl = upstreamUrlIndex == 0 ?
+        UpstreamUrl = upstreamUrlIndex == 0 || upstreamUrlIndex == args.Length ?
             (!string.IsNullOrWhiteSpace(Settings.Default.UpstreamUrl) ? Settings.Default.UpstreamUrl : MainConst.DefaultUpstreamUrl) :
             args[upstreamUrlIndex];
 
-        ExtraArgs = extraArgsIndex == 0 ?
+        ExtraArgs = extraArgsIndex == 0 || extraArgsIndex == args.Length ?
             (!string.IsNullOrWhiteSpace(Settings.Default.ExtraArgs) ? Settings.Default.ExtraArgs : string.Empty) :
             args[extraArgsIndex];
     }
diff --git a/Utils/CommandProc.cs b/Utils/CommandProc.cs
index e959c77..eba3bf8 100644
--- a/Utils/CommandProc.cs
+++ b/Utils/CommandProc.cs
@@ -6,7 +6,7 @@ namespace Sheas_Cealer.Utils;
 
 internal class CommandProc : Proc
 {
-    internal bool ShutDownAppOnProcessExit;
+    private static bool ShutDownAppOnProcessExit;
 
     internal CommandProc(bool shutDownAppOnProcessExit) : base("Cmd.exe") => ShutDownAppOnProcessExit = shutDownAppOnProcessExit;
 
diff --git a/Utils/IconRemover.cs b/Utils/IconRemover.cs
index 403d105..67ca68d 100644
--- a/Utils/IconRemover.cs
+++ b/Utils/IconRemover.cs
@@ -5,7 +5,6 @@
 
 namespace Sheas_Cealer.Utils;
 
-// 定义 IconRemover
 internal static partial class IconRemover
 {
     private const int GWL_EXSTYLE = -20;
diff --git a/Wins/MainWin.xaml.cs b/Wins/MainWin.xaml.cs
index ae83d02..1fc7c39 100644
--- a/Wins/MainWin.xaml.cs
+++ b/Wins/MainWin.xaml.cs
@@ -130,16 +130,25 @@ private void StartButtonHoldTimer_Tick(object? sender, EventArgs e)
 
     private void EditHostButton_Click(object sender, RoutedEventArgs e)
     {
-        ProcessStartInfo processStartInfo = new(Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, "Cealing-Host.json")) { UseShellExecute = true };
+        string cealingHostPath = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, "Cealing-Host.json");
+
+        if (!File.Exists(cealingHostPath))
+            File.Create(cealingHostPath).Dispose();
+
+        ProcessStartInfo processStartInfo = new(cealingHostPath) { UseShellExecute = true };
         Process.Start(processStartInfo);
     }
     private async void UpdateHostButton_Click(object sender, RoutedEventArgs e)
     {
-        string upstreamHostUrl = MainPres!.UpstreamUrl;
+        string upstreamHostUrl = (MainPres!.UpstreamUrl.StartsWith("http://") || MainPres!.UpstreamUrl.StartsWith("https://") ? string.Empty : "https://") + MainPres!.UpstreamUrl;
         string upstreamHostString = await Http.GetAsync<string>(upstreamHostUrl, MainClient);
+        string localHostPath = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, "Cealing-Host.json");
         string localHostString;
 
-        using (StreamReader localHostStreamReader = new(Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, "Cealing-Host.json")))
+        if (!File.Exists(localHostPath))
+            File.Create(localHostPath).Dispose();
+
+        using (StreamReader localHostStreamReader = new(localHostPath))
             localHostString = localHostStreamReader.ReadToEnd();
 
         if (localHostString.Replace("\r", string.Empty) == upstreamHostString)