修改logo，修改配置页面的窗口

internal/ui/app.go

@@ -20,10 +20,11 @@ import (
 
 // App is the GUI application controller.
 type App struct {
-	fyneApp fyne.App
-	db      *db.Store
-	kc      keychain.Store
-	window  fyne.Window
+	fyneApp       fyne.App
+	db            *db.Store
+	kc            keychain.Store
+	window        fyne.Window
+	profileWindow fyne.Window
 
 	// UI widgets
 	profileSelect *widget.Select
@@ -96,6 +97,7 @@ func Run() {
 
 	a.window.SetCloseIntercept(func() {
 		if cfg.CloseToTray {
+			hideDockIcon()
 			a.window.Hide()
 		} else {
 			a.fyneApp.Quit()

internal/ui/dock_darwin.go

@@ -0,0 +1,20 @@
+//go:build darwin
+
+package ui
+
+/*
+#cgo LDFLAGS: -framework Cocoa
+#include <objc/objc.h>
+#include <objc/runtime.h>
+#include <objc/message.h>
+
+static void setDockIconVisible(int visible) {
+	Class cls = objc_getClass("NSApplication");
+	id app = ((id (*)(Class, SEL))objc_msgSend)(cls, sel_getUid("sharedApplication"));
+	((void (*)(id, SEL, long))objc_msgSend)(app, sel_getUid("setActivationPolicy:"), visible ? 0 : 1);
+}
+*/
+import "C"
+
+func showDockIcon() { C.setDockIconVisible(1) }
+func hideDockIcon() { C.setDockIconVisible(0) }

internal/ui/dock_other.go

@@ -0,0 +1,6 @@
+//go:build !darwin
+
+package ui
+
+func showDockIcon() {}
+func hideDockIcon() {}

internal/ui/profile.go

@@ -8,7 +8,6 @@ import (
 
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/container"
-	"fyne.io/fyne/v2/dialog"
 	"fyne.io/fyne/v2/widget"
 )
 
@@ -46,9 +45,15 @@ func selectedCode(codes []string, idx int) string {
 	return codes[idx]
 }
 
-// showProfileDialog displays an add/edit dialog for a server profile.
-// If editing is nil, a new profile is created.
+// showProfileDialog opens a separate window for editing a server profile.
+// If editing is nil, a new profile is created. If a profile window is
+// already open, it is brought to the front instead of opening a second one.
 func (a *App) showProfileDialog(editing *model.ServerProfile) {
+	if a.profileWindow != nil {
+		a.profileWindow.RequestFocus()
+		return
+	}
+
 	isNew := editing == nil
 
 	nameEntry := widget.NewEntry()
@@ -88,18 +93,30 @@ func (a *App) showProfileDialog(editing *model.ServerProfile) {
 		widget.NewLabel(i18n.T("FieldMTUOverride")), mtuEntry,
 	)
 
-	d := dialog.NewCustomConfirm(i18n.T("DlgProfileTitle"), i18n.T("BtnSave"), i18n.T("BtnCancel"), form, func(save bool) {
-		if !save {
-			return
-		}
+	profileWin := a.fyneApp.NewWindow(i18n.T("DlgProfileTitle"))
+	a.profileWindow = profileWin
+
+	profileWin.SetOnClosed(func() {
+		a.profileWindow = nil
+	})
+
+	saveBtn := widget.NewButton(i18n.T("BtnSave"), func() {
 		a.saveProfile(editing, nameEntry.Text, serverEntry.Text,
 			userEntry.Text, passEntry.Text,
 			selectedCode(authCodes, authSelect.SelectedIndex()),
 			selectedCode(routeCodes, routeSelect.SelectedIndex()),
 			cidrEntry.Text, mtuEntry.Text, isNew)
-	}, a.window)
-	d.Resize(fyne.NewSize(400, 500))
-	d.Show()
+		profileWin.Close()
+	})
+	saveBtn.Importance = widget.HighImportance
+
+	cancelBtn := widget.NewButton(i18n.T("BtnCancel"), func() {
+		profileWin.Close()
+	})
+
+	profileWin.SetContent(container.NewBorder(nil, container.NewHBox(saveBtn, cancelBtn), nil, nil, container.NewScroll(form)))
+	profileWin.Resize(fyne.NewSize(460, 560))
+	profileWin.Show()
 }
 
 // saveProfile creates or updates a profile and stores credentials.

internal/ui/tray.go

@@ -1,12 +1,16 @@
 package ui
 
 import (
+	_ "embed"
 	"lmvpn/internal/i18n"
 
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/driver/desktop"
 )
 
+//go:embed tray-icon.png
+var trayIconBytes []byte
+
 // setupTray configures the system tray menu (desktop only).
 func (a *App) setupTray() {
 	deskApp, ok := a.fyneApp.(desktop.App)
@@ -44,6 +48,7 @@ func (a *App) setupTray() {
 
 	menu := fyne.NewMenu(i18n.T("WindowTitle"),
 		fyne.NewMenuItem(i18n.T("TrayShowWindow"), func() {
+			showDockIcon()
 			a.window.Show()
 			a.window.RequestFocus()
 		}),
@@ -62,4 +67,6 @@ func (a *App) setupTray() {
 		}),
 	)
 	deskApp.SetSystemTrayMenu(menu)
+	trayIcon := fyne.NewStaticResource("tray-icon.png", trayIconBytes)
+	deskApp.SetSystemTrayIcon(trayIcon)
 }