diff --git a/cef/browser_window.go b/cef/browser_window.go
index 1eabc6c5..6c4d8bb7 100644
--- a/cef/browser_window.go
+++ b/cef/browser_window.go
@@ -161,8 +161,6 @@ type ILCLBrowserWindow interface {
 	EnableHelp()                                                     //启用标题栏帮助
 	NewTray() ITray                                                  //创建LCL的系统托盘
 	SetRoundRectRgn(rgn int)                                         //窗口无边框时圆角设置
-	FramelessForLine()                                               //无边框四边一条细线样式
-	Frameless()                                                      //无边框
 	ChromiumCreate(config *TCefChromiumConfig, defaultUrl string)    //chromium实例为空时创建 chromium
 	BroderDirectionAdjustments() et.BroderDirectionAdjustments       //返回可以调整窗口大小的边框方向, 默认所有方向
 	SetBroderDirectionAdjustments(val et.BroderDirectionAdjustments) // 设置可以调整窗口大小的边框方向, 默认所有方向
diff --git a/cef/browser_window_hook_other.go b/cef/browser_window_hook_other.go
new file mode 100644
index 00000000..1bf6dad8
--- /dev/null
+++ b/cef/browser_window_hook_other.go
@@ -0,0 +1,20 @@
+//----------------------------------------
+//
+// Copyright © yanghy. All Rights Reserved.
+//
+// Licensed under Apache License Version 2.0, January 2004
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+//----------------------------------------
+
+//go:build !windows
+// +build !windows
+
+package cef
+
+func (m *LCLBrowserWindow) _HookWndProcMessage() {
+}
+
+func (m *LCLBrowserWindow) _RestoreWndProc() {
+}
diff --git a/cef/browser_window_hook_windows.go b/cef/browser_window_hook_windows.go
new file mode 100644
index 00000000..aa1790f7
--- /dev/null
+++ b/cef/browser_window_hook_windows.go
@@ -0,0 +1,74 @@
+//----------------------------------------
+//
+// Copyright © yanghy. All Rights Reserved.
+//
+// Licensed under Apache License Version 2.0, January 2004
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+//----------------------------------------
+
+//go:build windows
+// +build windows
+
+package cef
+
+import (
+	"github.com/energye/golcl/lcl/types"
+	"github.com/energye/golcl/lcl/types/messages"
+	"github.com/energye/golcl/lcl/win"
+	"syscall"
+	"unsafe"
+)
+
+var (
+	dwmAPI                        = syscall.NewLazyDLL("dwmapi.dll")
+	_DwmExtendFrameIntoClientArea = dwmAPI.NewProc("DwmExtendFrameIntoClientArea")
+)
+
+type margins struct {
+	CxLeftWidth, CxRightWidth, CyTopHeight, CyBottomHeight int32
+}
+
+func extendFrameIntoClientArea(hwnd uintptr, margins margins) {
+	_, _, _ = _DwmExtendFrameIntoClientArea.Call(hwnd, uintptr(unsafe.Pointer(&margins)))
+}
+
+func (m *LCLBrowserWindow) wndProc(hwnd types.HWND, message uint32, wParam, lParam uintptr) uintptr {
+	if m.WindowProperty().EnableHideCaption {
+		switch message {
+		case messages.WM_ACTIVATE:
+			// If we want to have a frameless window but with the default frame decorations, extend the DWM client area.
+			// This Option is not affected by returning 0 in WM_NCCALCSIZE.
+			// As a result we have hidden the titlebar but still have the default window frame styling.
+			// See: https://docs.microsoft.com/en-us/windows/win32/api/dwmapi/nf-dwmapi-dwmextendframeintoclientarea#remarks
+			extendFrameIntoClientArea(m.Handle(), margins{CxLeftWidth: 1, CxRightWidth: 1, CyTopHeight: 1, CyBottomHeight: 1})
+		case messages.WM_NCCALCSIZE:
+			// Disable the standard frame by allowing the client area to take the full
+			// window size.
+			// See: https://docs.microsoft.com/en-us/windows/win32/winmsg/wm-nccalcsize#remarks
+			// This hides the titlebar and also disables the resizing from user interaction because the standard frame is not
+			// shown. We still need the WS_THICKFRAME style to enable resizing from the frontend.
+			if wParam != 0 {
+				//cycaption := win.GetSystemMetrics(4)
+				//rect := (*types.TRect)(unsafe.Pointer(lParam))
+				//rect.Bottom += -1
+				//rect.Right += -1
+				return 0
+			}
+		}
+	}
+	return win.CallWindowProc(m.oldWndPrc, hwnd, message, wParam, lParam)
+}
+
+func (m *LCLBrowserWindow) _HookWndProcMessage() {
+	wndProcCallback := syscall.NewCallback(m.wndProc)
+	m.oldWndPrc = win.SetWindowLongPtr(m.Handle(), win.GWL_WNDPROC, wndProcCallback)
+}
+
+func (m *LCLBrowserWindow) _RestoreWndProc() {
+	if m.oldWndPrc != 0 {
+		win.SetWindowLongPtr(m.Handle(), win.GWL_WNDPROC, m.oldWndPrc)
+		m.oldWndPrc = 0
+	}
+}
diff --git a/cef/browser_window_lcl.go b/cef/browser_window_lcl.go
index 28c56b99..37fde6d9 100644
--- a/cef/browser_window_lcl.go
+++ b/cef/browser_window_lcl.go
@@ -38,21 +38,22 @@ import (
 //
 // 该窗口使用CEF和LCL组件实现，CEF<=1.106.xx版本 在windows、MacOSX可正常使用, Linux无法输入中文, CEF>=2.107.xx版本linux强制使用 ViewsFrameworkBrowserWindow 窗口组件
 type LCLBrowserWindow struct {
-	*lcl.TForm                                     //window form
-	isFormCreate              bool                 //是否创建完成 WindowForm
-	chromiumBrowser           ICEFChromiumBrowser  //浏览器
-	windowProperty            *WindowProperty      //窗口属性
-	windowId                  int32                //窗口ID
-	windowType                consts.WINDOW_TYPE   //窗口类型
-	isClosing                 bool                 //
-	canClose                  bool                 //
-	onResize                  []TNotifyEvent       //扩展事件 向后链试循环调用
-	windowResize              TNotifyEvent         //扩展事件
-	onActivate                TNotifyEvent         //扩展事件
-	onShow                    []TNotifyEvent       //扩展事件 向后链试循环调用
-	onClose                   []TCloseEvent        //扩展事件 向后链试循环调用
-	onCloseQuery              TCloseQueryEvent     //扩展事件
-	onActivateAfter           lcl.TNotifyEvent     //扩展事件
+	*lcl.TForm                                    //window form
+	isFormCreate              bool                //是否创建完成 WindowForm
+	chromiumBrowser           ICEFChromiumBrowser //浏览器
+	windowProperty            *WindowProperty     //窗口属性
+	windowId                  int32               //窗口ID
+	windowType                consts.WINDOW_TYPE  //窗口类型
+	isClosing                 bool                //
+	canClose                  bool                //
+	onResize                  []TNotifyEvent      //扩展事件 向后链试循环调用
+	windowResize              TNotifyEvent        //扩展事件
+	onActivate                TNotifyEvent        //扩展事件
+	onShow                    []TNotifyEvent      //扩展事件 向后链试循环调用
+	onClose                   []TCloseEvent       //扩展事件 向后链试循环调用
+	onCloseQuery              TCloseQueryEvent    //扩展事件
+	onActivateAfter           lcl.TNotifyEvent    //扩展事件
+	onDestroy                 lcl.TNotifyEvent
 	onWndProc                 []lcl.TWndProcEvent  //扩展事件 向后链试循环调用
 	onPaint                   []lcl.TNotifyEvent   //扩展事件 向后链试循环调用
 	auxTools                  IAuxTools            //辅助工具
@@ -65,6 +66,7 @@ type LCLBrowserWindow struct {
 	wmWindowPosChangedMessage wmWindowPosChanged   //
 	screen                    IScreen              //屏幕
 	rgn                       int                  //窗口四边圆角
+	oldWndPrc                 uintptr
 }
 
 // NewLCLBrowserWindow 创建一个 LCL 带有 chromium 窗口
@@ -194,7 +196,7 @@ func (m *LCLBrowserWindow) SetProperty() {
 		m.SetFormStyle(types.FsSystemStayOnTop)
 	}
 	if wp.EnableHideCaption {
-		m.HideTitle()
+		//m.HideTitle()
 	} else {
 		if !wp.EnableMinimize {
 			m.DisableMinimize()
@@ -615,16 +617,17 @@ func (m *LCLBrowserWindow) FormCreate() {
 	m.isFormCreate = true
 	m.SetName(fmt.Sprintf("energy_window_name_%d", time.Now().UnixNano()/1e6))
 	m.onFormMessages()
-	m.taskMenu()
 }
 
 // defaultWindowEvent 默认窗口活动/关闭处理事件
 func (m *LCLBrowserWindow) defaultWindowEvent() {
+	m._HookWndProcMessage()
 	if m.WindowType() != consts.WT_DEV_TOOLS {
 		m.TForm.SetOnActivate(m.activate)
 	}
 	m.TForm.SetOnResize(m.resize)
 	m.TForm.SetOnShow(m.show)
+	m.TForm.SetOnDestroy(m.destroy)
 }
 
 // defaultWindowCloseEvent 默认的窗口关闭事件
@@ -803,6 +806,7 @@ func (m *LCLBrowserWindow) IsLCL() bool {
 
 // show 内部调用
 func (m *LCLBrowserWindow) show(sender lcl.IObject) {
+	m.SetBoundsRect(m.BoundsRect()) // trigger WM_NCCALCSIZE hook msg
 	if m.onShow != nil {
 		for _, fn := range m.onShow {
 			fn(sender)
@@ -810,6 +814,13 @@ func (m *LCLBrowserWindow) show(sender lcl.IObject) {
 	}
 }
 
+func (m *LCLBrowserWindow) destroy(sender lcl.IObject) {
+	m._RestoreWndProc()
+	if m.onDestroy != nil {
+		m.onDestroy(sender)
+	}
+}
+
 // SetCreateBrowserExtraInfo
 //
 //	设置 Chromium 创建浏览器时设置的扩展信息
@@ -1178,6 +1189,10 @@ func (m *LCLBrowserWindow) SetOnWMWindowPosChanged(fn wmWindowPosChanged) {
 	m.wmWindowPosChangedMessage = fn
 }
 
+func (m *LCLBrowserWindow) SetOnDestroy(fn lcl.TNotifyEvent) {
+	m.onDestroy = fn
+}
+
 func init() {
 	lcl.RegisterExtEventCallback(func(fn interface{}, getVal func(idx int) uintptr) bool {
 		getPtr := func(i int) unsafe.Pointer {
diff --git a/cef/browser_window_lcl_windows.go b/cef/browser_window_lcl_windows.go
index 896b89d2..f73bcdb4 100644
--- a/cef/browser_window_lcl_windows.go
+++ b/cef/browser_window_lcl_windows.go
@@ -41,18 +41,11 @@ const (
 // ShowTitle 显示标题栏
 func (m *LCLBrowserWindow) ShowTitle() {
 	m.WindowProperty().EnableHideCaption = false
-	//win.SetWindowLong(m.Handle(), win.GWL_STYLE, uintptr(win.GetWindowLong(m.Handle(), win.GWL_STYLE)|win.WS_CAPTION))
-	//win.SetWindowPos(m.Handle(), m.Handle(), 0, 0, 0, 0, win.SWP_NOSIZE|win.SWP_NOMOVE|win.SWP_NOZORDER|win.SWP_NOACTIVATE|win.SWP_FRAMECHANGED)
-	m.EnabledMaximize(m.WindowProperty().EnableMaximize)
-	m.EnabledMinimize(m.WindowProperty().EnableMinimize)
-	m.SetBorderStyle(types.BsSizeable)
 }
 
 // HideTitle 隐藏标题栏 无边框样式
 func (m *LCLBrowserWindow) HideTitle() {
 	m.WindowProperty().EnableHideCaption = true
-	m.SetBorderStyle(types.BsNone)
-	//m.Frameless()
 }
 
 // SetRoundRectRgn 窗口无边框时圆角设置
@@ -68,44 +61,6 @@ func (m *LCLBrowserWindow) SetRoundRectRgn(rgn int) {
 	}
 }
 
-// FramelessForDefault 窗口四边框系统默认样式
-//
-//	TODO 窗口顶部有条线,
-func (m *LCLBrowserWindow) FramelessForDefault() {
-	gwlStyle := win.GetWindowLong(m.Handle(), win.GWL_STYLE)
-	win.SetWindowLong(m.Handle(), win.GWL_STYLE, uintptr(gwlStyle&^win.WS_CAPTION&^win.WS_BORDER|win.WS_THICKFRAME))
-	win.SetWindowPos(m.Handle(), 0, 0, 0, 0, 0, uint32(win.SWP_NOMOVE|win.SWP_NOSIZE|win.SWP_FRAMECHANGED))
-
-	//winapi.SetClassLongPtr(this.Handle, GCL_STYLE, GetClassLong(this.Handle, GCL_STYLE)|CS_DropSHADOW)
-	//gclStyle := winapi.GetClassLongPtr(et.HWND(m.Handle()), messages.GCL_STYLE)
-	//winapi.WinSetClassLongPtr().SetClassLongPtr(et.HWND(m.Handle()), messages.GCL_STYLE, gclStyle|messages.CS_DROPSHADOW)
-}
-
-// FramelessForLine 窗口四边框是一条细线
-func (m *LCLBrowserWindow) FramelessForLine() {
-	gwlStyle := win.GetWindowLong(m.Handle(), win.GWL_STYLE)
-	win.SetWindowLong(m.Handle(), win.GWL_STYLE, uintptr(gwlStyle&^win.WS_CAPTION&^win.WS_THICKFRAME|win.WS_BORDER))
-	win.SetWindowPos(m.Handle(), 0, 0, 0, 0, 0, uint32(win.SWP_NOMOVE|win.SWP_NOSIZE|win.SWP_FRAMECHANGED))
-}
-
-// Frameless 无边框
-func (m *LCLBrowserWindow) Frameless() {
-	gwlStyle := win.GetWindowLong(m.Handle(), win.GWL_STYLE)
-	win.SetWindowLong(m.Handle(), win.GWL_STYLE, uintptr(gwlStyle&^win.WS_CAPTION&^win.WS_THICKFRAME))
-	win.SetWindowPos(m.Handle(), 0, 0, 0, 0, 0, uint32(win.SWP_NOMOVE|win.SWP_NOSIZE|win.SWP_FRAMECHANGED))
-}
-
-// windows无边框窗口任务栏处理
-func (m *LCLBrowserWindow) taskMenu() {
-	m.SetOnShow(func(sender lcl.IObject) bool {
-		if m.WindowProperty().EnableHideCaption {
-			gwlStyle := win.GetWindowLong(m.Handle(), win.GWL_STYLE)
-			win.SetWindowLong(m.Handle(), win.GWL_STYLE, uintptr(gwlStyle|win.WS_SYSMENU|win.WS_MINIMIZEBOX))
-		}
-		return false
-	})
-}
-
 // SetFocus
 //
 //	在窗口 (Visible = true) 显示之后设置窗口焦点
@@ -114,7 +69,7 @@ func (m *LCLBrowserWindow) taskMenu() {
 func (m *LCLBrowserWindow) SetFocus() {
 	if m.TForm != nil {
 		m.Visible()
-		//窗口\激活在Z序中的下个顶层窗口
+		//窗口激活在Z序中的下个顶层窗口
 		m.Minimize()
 		//激活窗口出现在前景
 		m.Restore()
@@ -198,47 +153,6 @@ func (m *LCLBrowserWindow) doOnRenderCompMsg(chromiumBrowser ICEFChromiumBrowser
 
 			handled := m.cwcap.onCanBorder(chromiumBrowser, x, y, &rect)
 			if handled {
-				// 鼠标在边框范围
-				// 当是CEF组件消息，判断一次组件四边距离窗口四边间距，如果大于边框范围则取消操作
-				// TODO 暂时不使用
-				//if messageType == cmtCEF {
-				//	windowRect := m.BoundsRect()
-				//	switch m.cwcap.borderHT {
-				//	case messages.HTTOP: // 上
-				//		if rect.Top > borderRange {
-				//			return
-				//		}
-				//	case messages.HTBOTTOM: // 下
-				//		if (windowRect.Height() - rect.Bottom) > borderRange {
-				//			return
-				//		}
-				//	case messages.HTLEFT: // 左
-				//		if rect.Left > borderRange {
-				//			return
-				//		}
-				//	case messages.HTRIGHT: // 右
-				//		if (windowRect.Width() - rect.Right) > borderRange {
-				//			return
-				//		}
-				//	case messages.HTTOPRIGHT: // 右上
-				//		if (windowRect.Width()-rect.Right) > borderRange || rect.Top > borderRange {
-				//			return
-				//		}
-				//	case messages.HTBOTTOMRIGHT: // 右下
-				//		if (windowRect.Width()-rect.Right) > borderRange || (windowRect.Height()-rect.Bottom) > borderRange {
-				//			return
-				//		}
-				//	case messages.HTTOPLEFT: // 左上
-				//		if rect.Left > borderRange || rect.Top > borderRange {
-				//			return
-				//		}
-				//	case messages.HTBOTTOMLEFT: // 左下
-				//		if rect.Left > borderRange || (windowRect.Height()-rect.Bottom) > borderRange {
-				//			return
-				//		}
-				//	}
-				//}
-
 				// 鼠标在边框位置
 				*lResult = types.LRESULT(m.cwcap.borderHT)
 				*aHandled = true