diff --git a/v2rayN/ServiceLib/Handler/Fmt/TuicFmt.cs b/v2rayN/ServiceLib/Handler/Fmt/TuicFmt.cs
index b17b1ef2..9532001c 100644
--- a/v2rayN/ServiceLib/Handler/Fmt/TuicFmt.cs
+++ b/v2rayN/ServiceLib/Handler/Fmt/TuicFmt.cs
@@ -53,6 +53,6 @@ public class TuicFmt : BaseFmt
 
         dicQuery.Add("congestion_control", item.HeaderType);
 
-        return ToUri(EConfigType.TUIC, item.Address, item.Port, $"{item.Password}:{item.GetProtocolExtra().Username ?? ""}", dicQuery, remark);
+        return ToUri(EConfigType.TUIC, item.Address, item.Port, $"{item.GetProtocolExtra().Username ?? ""}:{item.Password}", dicQuery, remark);
     }
 }
diff --git a/v2rayN/ServiceLib/Manager/AppManager.cs b/v2rayN/ServiceLib/Manager/AppManager.cs
index 867a4990..034dbce4 100644
--- a/v2rayN/ServiceLib/Manager/AppManager.cs
+++ b/v2rayN/ServiceLib/Manager/AppManager.cs
@@ -326,6 +326,14 @@ public sealed class AppManager
                                 HopInterval = _config.HysteriaItem.HopInterval
                             };
                             break;
+                        case EConfigType.TUIC:
+                            extra = extra with
+                            {
+                                Username = item.Id,
+                            };
+                            item.Id = item.Security;
+                            item.Password = item.Security;
+                            break;
                         case EConfigType.WireGuard:
                             extra = extra with
                             {
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs
index d6b88ed8..127b09a5 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs
@@ -175,8 +175,8 @@ public partial class CoreConfigSingboxService
                     }
                 case EConfigType.TUIC:
                     {
-                        outbound.uuid = node.Password;
-                        outbound.password = protocolExtra.Username;
+                        outbound.uuid = protocolExtra.Username;
+                        outbound.password = node.Password;
                         outbound.congestion_control = node.HeaderType;
                         break;
                     }
diff --git a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs
index 63ce754b..e5f96a10 100644
--- a/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs
+++ b/v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs
@@ -152,8 +152,8 @@ public partial class AddServerWindow : WindowBase<AddServerViewModel>
                     break;
 
                 case EConfigType.TUIC:
-                    this.Bind(ViewModel, vm => vm.SelectedSource.Password, v => v.txtId8.Text).DisposeWith(disposables);
-                    this.Bind(ViewModel, vm => vm.Username, v => v.txtSecurity8.Text).DisposeWith(disposables);
+                    this.Bind(ViewModel, vm => vm.Username, v => v.txtId8.Text).DisposeWith(disposables);
+                    this.Bind(ViewModel, vm => vm.SelectedSource.Password, v => v.txtSecurity8.Text).DisposeWith(disposables);
                     this.Bind(ViewModel, vm => vm.SelectedSource.HeaderType, v => v.cmbHeaderType8.SelectedValue).DisposeWith(disposables);
                     break;
 
diff --git a/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs b/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
index 4a31f194..c3c403c0 100644
--- a/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
@@ -147,8 +147,8 @@ public partial class AddServerWindow
                     break;
 
                 case EConfigType.TUIC:
-                    this.Bind(ViewModel, vm => vm.SelectedSource.Password, v => v.txtId8.Text).DisposeWith(disposables);
-                    this.Bind(ViewModel, vm => vm.Username, v => v.txtSecurity8.Text).DisposeWith(disposables);
+                    this.Bind(ViewModel, vm => vm.Username, v => v.txtId8.Text).DisposeWith(disposables);
+                    this.Bind(ViewModel, vm => vm.SelectedSource.Password, v => v.txtSecurity8.Text).DisposeWith(disposables);
                     this.Bind(ViewModel, vm => vm.SelectedSource.HeaderType, v => v.cmbHeaderType8.Text).DisposeWith(disposables);
                     break;