diff --git a/Common/Configuration/ConfigContainer.cs b/Common/Configuration/ConfigContainer.cs
index 2ed2718..457e576 100644
--- a/Common/Configuration/ConfigContainer.cs
+++ b/Common/Configuration/ConfigContainer.cs
@@ -80,7 +80,7 @@ public class ProxyOptions
 {
     public bool Enabled { get; set; } = true;
     public int Port { get; set; } = 8888;
-    public int ServerHttpPort { get; set; } = 8080;
+    public int ServerHttpPort { get; set; } = 21500;
     public bool InstallRootCertificate { get; set; } = true;
     public bool ManageSystemProxy { get; set; } = true;
     public bool RestoreSystemProxyOnStop { get; set; } = true;
diff --git a/Common/Data/Config/DictionaryConverter.cs b/Common/Data/Config/DictionaryConverter.cs
index cccb4e4..10843df 100644
--- a/Common/Data/Config/DictionaryConverter.cs
+++ b/Common/Data/Config/DictionaryConverter.cs
@@ -33,7 +33,7 @@ class IntDictionaryConverter : JsonConverter<Dictionary<int, int>>
     public override void WriteJson(JsonWriter writer, Dictionary<int, int>? value, JsonSerializer serializer)
     {
         writer.WriteStartObject();
-        foreach (var kv in value)
+        foreach (var kv in value!)
         {
             writer.WritePropertyName(kv.Key.ToString());
             writer.WriteValue(kv.Value);
diff --git a/Common/Util/LoggingMiddleware.cs b/Common/Util/LoggingMiddleware.cs
deleted file mode 100644
index 5e5563f..0000000
--- a/Common/Util/LoggingMiddleware.cs
+++ /dev/null
@@ -1,34 +0,0 @@
-using MikuSB.Util;
-using Microsoft.AspNetCore.Http;
-
-namespace MikuSB.SdkServer.Utils;
-
-public class RequestLoggingMiddleware(RequestDelegate next)
-{
-    public async Task InvokeAsync(HttpContext context, Logger logger)
-    {
-        var request = context.Request;
-        var method = request.Method;
-        var path = request.Path + request.QueryString;
-
-        await next(context);
-
-        var statusCode = context.Response.StatusCode;
-
-        if (path.StartsWith("/report") || path.Contains("/log/") || path == "/alive")
-            return;
-
-        if (statusCode == 200)
-        {
-            logger.Info($"{method} {path} => {statusCode}");
-        }
-        else if (statusCode == 404)
-        {
-            logger.Warn($"{method} {path} => {statusCode}");
-        }
-        else
-        {
-            logger.Error($"{method} {path} => {statusCode}");
-        }
-    }
-}
\ No newline at end of file
diff --git a/Proxy/ProxyCertificateAuthority.cs b/Proxy/ProxyCertificateAuthority.cs
index 99cf144..1c92295 100644
--- a/Proxy/ProxyCertificateAuthority.cs
+++ b/Proxy/ProxyCertificateAuthority.cs
@@ -47,7 +47,7 @@ public sealed class ProxyCertificateAuthority
 
         if (File.Exists(pfxPath))
         {
-            var existing = new X509Certificate2(
+            var existing = X509CertificateLoader.LoadPkcs12(
                 File.ReadAllBytes(pfxPath),
                 Password,
                 X509KeyStorageFlags.Exportable | X509KeyStorageFlags.UserKeySet);
@@ -70,7 +70,7 @@ public sealed class ProxyCertificateAuthority
         request.CertificateExtensions.Add(new X509SubjectKeyIdentifierExtension(request.PublicKey, false));
 
         var root = request.CreateSelfSigned(DateTimeOffset.UtcNow.AddDays(-1), DateTimeOffset.UtcNow.AddYears(10));
-        var exportable = new X509Certificate2(
+        var exportable = X509CertificateLoader.LoadPkcs12(
             root.Export(X509ContentType.Pfx, Password),
             Password,
             X509KeyStorageFlags.Exportable | X509KeyStorageFlags.UserKeySet);
@@ -104,9 +104,9 @@ public sealed class ProxyCertificateAuthority
             DateTimeOffset.UtcNow.AddYears(2),
             serial);
 
-        return new X509Certificate2(
+        return X509CertificateLoader.LoadPkcs12(
             certificate.CopyWithPrivateKey(rsa).Export(X509ContentType.Pfx),
-            (string?)null,
+            null,
             X509KeyStorageFlags.Exportable | X509KeyStorageFlags.UserKeySet);
     }
 
diff --git a/SdkServer/SdkServer.csproj b/SdkServer/SdkServer.csproj
index c968bc8..d7d4a54 100644
--- a/SdkServer/SdkServer.csproj
+++ b/SdkServer/SdkServer.csproj
@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Microsoft.AspNetCore.App" Version="3.0.0-preview3-19153-02" />
+      <FrameworkReference Include="Microsoft.AspNetCore.App" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/TcpSharp/SocketConnection.cs b/TcpSharp/SocketConnection.cs
index 97a7ea2..e63f8fa 100644
--- a/TcpSharp/SocketConnection.cs
+++ b/TcpSharp/SocketConnection.cs
@@ -80,7 +80,7 @@ public class SocketConnection
         {
             return !((Socket.Poll(1000, SelectMode.SelectRead) && (Socket.Available == 0)) || !Socket.Connected);
         }
-        catch (Exception e)
+        catch (Exception)
         {
             return false;
         }