diff --git a/v2rayN/v2rayN/Handler/ConfigHandler.cs b/v2rayN/v2rayN/Handler/ConfigHandler.cs
index ee8fc7dc..74b68a13 100644
--- a/v2rayN/v2rayN/Handler/ConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/ConfigHandler.cs
@@ -187,10 +187,7 @@ namespace v2rayN.Handler
                 config.mux4SboxItem = new()
                 {
                     protocol = Global.SingboxMuxs[0],
-                    max_connections = 4,
-                    min_streams = 4,
-                    max_streams = 0,
-                    padding = true
+                    max_connections = 4
                 };
             }
 
diff --git a/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs b/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs
index a1505e2e..323c14bf 100644
--- a/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfigSingbox.cs
@@ -170,7 +170,7 @@ namespace v2rayN.Handler
                 {
                     if (_config.tunModeItem.mtu <= 0)
                     {
-                        _config.tunModeItem.mtu = Convert.ToInt32(Global.TunMtus[0]);
+                        _config.tunModeItem.mtu = Utils.ToInt(Global.TunMtus[0]);
                     }
                     if (Utils.IsNullOrEmpty(_config.tunModeItem.stack))
                     {
@@ -294,8 +294,6 @@ namespace v2rayN.Handler
 
                     outbound.up_mbps = _config.hysteriaItem.up_mbps > 0 ? _config.hysteriaItem.up_mbps : null;
                     outbound.down_mbps = _config.hysteriaItem.down_mbps > 0 ? _config.hysteriaItem.down_mbps : null;
-
-                    GenOutboundMux(node, outbound);
                 }
                 else if (node.configType == EConfigType.Tuic)
                 {
@@ -304,8 +302,6 @@ namespace v2rayN.Handler
                     outbound.uuid = node.id;
                     outbound.password = node.security;
                     outbound.congestion_control = node.headerType;
-
-                    GenOutboundMux(node, outbound);
                 }
                 else if (node.configType == EConfigType.Wireguard)
                 {
@@ -316,7 +312,6 @@ namespace v2rayN.Handler
                     outbound.reserved = Utils.String2List(node.path).Select(int.Parse).ToArray();
                     outbound.local_address = [.. Utils.String2List(node.requestHost)];
                     outbound.mtu = Utils.ToInt(node.shortId.IsNullOrEmpty() ? Global.TunMtus.FirstOrDefault() : node.shortId);
-                    GenOutboundMux(node, outbound);
                 }
 
                 GenOutboundTls(node, outbound);
@@ -339,11 +334,8 @@ namespace v2rayN.Handler
                 //    var mux = new Multiplex4Sbox()
                 //    {
                 //        enabled = true,
-                //        protocol = _config.mux4Sbox.protocol,
-                //        max_connections = _config.mux4Sbox.max_connections,
-                //        min_streams = _config.mux4Sbox.min_streams,
-                //        max_streams = _config.mux4Sbox.max_streams,
-                //        padding = _config.mux4Sbox.padding
+                //        protocol = _config.mux4SboxItem.protocol,
+                //        max_connections = _config.mux4SboxItem.max_connections,
                 //    };
                 //    outbound.multiplex = mux;
                 //}
diff --git a/v2rayN/v2rayN/Mode/ConfigItems.cs b/v2rayN/v2rayN/Mode/ConfigItems.cs
index dbe062ca..3035e333 100644
--- a/v2rayN/v2rayN/Mode/ConfigItems.cs
+++ b/v2rayN/v2rayN/Mode/ConfigItems.cs
@@ -203,9 +203,6 @@ namespace v2rayN.Mode
     {
         public string protocol { get; set; }
         public int max_connections { get; set; }
-        public int min_streams { get; set; }
-        public int max_streams { get; set; }
-        public bool padding { get; set; }
     }
 
     [Serializable]
diff --git a/v2rayN/v2rayN/Mode/SingboxConfig.cs b/v2rayN/v2rayN/Mode/SingboxConfig.cs
index ecde1b68..07780808 100644
--- a/v2rayN/v2rayN/Mode/SingboxConfig.cs
+++ b/v2rayN/v2rayN/Mode/SingboxConfig.cs
@@ -139,9 +139,6 @@
         public bool enabled { get; set; }
         public string protocol { get; set; }
         public int max_connections { get; set; }
-        public int min_streams { get; set; }
-        public int max_streams { get; set; }
-        public bool padding { get; set; }
     }
 
     public class Utls4Sbox
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml.cs b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
index fa328075..4b069334 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
@@ -512,8 +512,8 @@ namespace v2rayN.Views
 
         private void StorageUI()
         {
-            _config.uiItem.mainWidth = this.Width;
-            _config.uiItem.mainHeight = this.Height;
+            _config.uiItem.mainWidth = Utils.ToInt(this.Width);
+            _config.uiItem.mainHeight = Utils.ToInt(this.Height);
 
             List<ColumnItem> lvColumnItem = new();
             for (int k = 0; k < lstProfiles.Columns.Count; k++)
@@ -522,7 +522,7 @@ namespace v2rayN.Views
                 lvColumnItem.Add(new()
                 {
                     Name = item2.ExName,
-                    Width = item2.Visibility == Visibility.Visible ? Convert.ToInt32(item2.ActualWidth) : -1,
+                    Width = item2.Visibility == Visibility.Visible ? Utils.ToInt(item2.ActualWidth) : -1,
                     Index = item2.DisplayIndex
                 });
             }