diff --git a/cef/application_callback.go b/cef/application_callback.go
index 9912080a..0300a6ae 100644
--- a/cef/application_callback.go
+++ b/cef/application_callback.go
@@ -13,6 +13,7 @@
 package cef
 
 import (
+	"fmt"
 	"github.com/energye/energy/v2/cef/internal/ipc"
 	"github.com/energye/energy/v2/cef/internal/process"
 	"github.com/energye/energy/v2/consts"
@@ -21,11 +22,12 @@ import (
 
 // 创建应用上下文 - 默认实现
 func appOnContextCreated(browser *ICefBrowser, frame *ICefFrame, context *ICefV8Context) {
+	fmt.Println("appOnContextCreated browserId:", browser.Identifier(), " frameId:", frame.Identifier(), "IsMain:", frame.IsMain())
 	process.Current.SetBrowserId(browser.Identifier())                           // 当前进程 browserID
 	process.Current.SetFrameId(frame.Identifier())                               // 当前进程 frameId
 	ipc.RenderChan().SetRealityChannel(browser.Identifier(), frame.Identifier()) // 设置并更新真实的通道ID
 	ipcRender.registerGoWaitReplayEvent()                                        // render ipc
-	ipcRender.makeIPC(context)                                                   // render ipc make
+	ipcRender.makeIPC(frame.Identifier(), context)                               // render ipc make
 	makeProcess(browser, frame, context)                                         // process make
 }
 
diff --git a/cef/internal/def/proc_def.go b/cef/internal/def/proc_def.go
index 7b8b4f73..2255534a 100644
--- a/cef/internal/def/proc_def.go
+++ b/cef/internal/def/proc_def.go
@@ -654,6 +654,7 @@ func init() {
 		dllimports.NewEnergyImport("CEFBrowser_StopLoad", 0),
 		dllimports.NewEnergyImport("CEFBrowser_FrameCount", 0),
 		dllimports.NewEnergyImport("CEFBrowser_GetFrameNames", 0),
+		dllimports.NewEnergyImport("CEFBrowser_GetFrameIdentifiers", 0),
 		dllimports.NewEnergyImport("CEFBrowser_Find", 0),
 		dllimports.NewEnergyImport("CEFBrowser_StopFinding", 0),
 		dllimports.NewEnergyImport("CEFBrowser_GetRequestContext", 0),
diff --git a/cef/internal/def/proc_def_index.go b/cef/internal/def/proc_def_index.go
index 331888c8..d7c150ff 100644
--- a/cef/internal/def/proc_def_index.go
+++ b/cef/internal/def/proc_def_index.go
@@ -654,6 +654,7 @@ const (
 	CEFBrowser_StopLoad
 	CEFBrowser_FrameCount
 	CEFBrowser_GetFrameNames
+	CEFBrowser_GetFrameIdentifiers
 	CEFBrowser_Find
 	CEFBrowser_StopFinding
 	CEFBrowser_GetRequestContext
diff --git a/cef/ipc.go b/cef/ipc.go
index bbad431a..9e787200 100644
--- a/cef/ipc.go
+++ b/cef/ipc.go
@@ -52,7 +52,7 @@ var (
 	ipcBrowser             *ipcBrowserProcess // 主进程 IPC
 )
 
-// ipcEmitHandler ipc.emit 处理器
+// ipc.emit 处理器
 type ipcEmitHandler struct {
 	handler           *ICefV8Handler         // ipc.emit handler
 	handlerSync       *ICefV8Handler         // ipc.emitSync handler
@@ -61,14 +61,14 @@ type ipcEmitHandler struct {
 	callbackLock      sync.Mutex             // ipc.emit lock
 }
 
-// ipcOnHandler ipc.on 处理器
+// ipc.on 处理器
 type ipcOnHandler struct {
 	handler      *ICefV8Handler          // ipc.on handler
 	callbackList map[string]*ipcCallback // ipc.on callbackList
 	callbackLock sync.Mutex              // ipc.emit lock
 }
 
-// ipcCallback ipc.emit 回调结果
+// ipc.emit 回调结果
 type ipcCallback struct {
 	isSync     bool         //同否同步 true:同步 false:异步, 默认false
 	resultType result_type  //返回值类型 0:function 1:variable 默认:0
@@ -77,7 +77,7 @@ type ipcCallback struct {
 	name       *ICefV8Value //事件名称
 }
 
-// isIPCInternalKey IPC 内部定义使用 key 不允许使用
+// IPC 内部定义使用 key 不允许使用
 func isIPCInternalKey(key string) bool {
 	return key == internalIPC || key == internalIPCEmit || key == internalIPCOn || key == internalIPCDRAG || key == internalIPCEmitWait ||
 		key == internalIPCJSExecuteGoEvent || key == internalIPCJSExecuteGoEventReplay ||
@@ -86,15 +86,15 @@ func isIPCInternalKey(key string) bool {
 
 }
 
-// ipcInit 初始化
+// 初始化
 func ipcInit() {
 	isSingleProcess := application.SingleProcess()
 	if isSingleProcess {
 		ipcBrowser = &ipcBrowserProcess{}
 		ipcRender = &ipcRenderProcess{
-			waitChan:    &ipc.WaitChan{Pending: new(sync.Map)},
-			emitHandler: &ipcEmitHandler{callbackList: make(map[int32]*ipcCallback)},
-			onHandler:   &ipcOnHandler{callbackList: make(map[string]*ipcCallback)},
+			waitChan:       &ipc.WaitChan{Pending: new(sync.Map)},
+			emitHandler:    &ipcEmitHandler{callbackList: make(map[int32]*ipcCallback)},
+			onFrameHandler: make(map[int64]*ipcOnHandler),
 		}
 		ipc.CreateBrowserIPC()                            // Go IPC browser
 		ipc.CreateRenderIPC(0, time.Now().UnixNano()/1e6) // Go IPC render
@@ -104,16 +104,16 @@ func ipcInit() {
 			ipc.CreateBrowserIPC() // Go IPC browser
 		} else if process.Args.IsRender() {
 			ipcRender = &ipcRenderProcess{
-				waitChan:    &ipc.WaitChan{Pending: new(sync.Map)},
-				emitHandler: &ipcEmitHandler{callbackList: make(map[int32]*ipcCallback)},
-				onHandler:   &ipcOnHandler{callbackList: make(map[string]*ipcCallback)},
+				waitChan:       &ipc.WaitChan{Pending: new(sync.Map)},
+				emitHandler:    &ipcEmitHandler{callbackList: make(map[int32]*ipcCallback)},
+				onFrameHandler: make(map[int64]*ipcOnHandler),
 			}
 			ipc.CreateRenderIPC(0, time.Now().UnixNano()/1e6) // Go IPC render
 		}
 	}
 }
 
-// addCallback
+// 添加一个回调函数
 func (m *ipcEmitHandler) addCallback(callback *ipcCallback) int32 {
 	//return uintptr(unsafe.Pointer(m.callbackList.PushBack(callback)))
 	m.callbackLock.Lock()
@@ -122,7 +122,7 @@ func (m *ipcEmitHandler) addCallback(callback *ipcCallback) int32 {
 	return m.callbackMessageId
 }
 
-// nextMessageId 获取下一个消息ID
+// 获取下一个消息ID
 func (m *ipcEmitHandler) nextMessageId() int32 {
 	m.callbackMessageId++
 	if m.callbackMessageId == -1 {
@@ -131,7 +131,7 @@ func (m *ipcEmitHandler) nextMessageId() int32 {
 	return m.callbackMessageId
 }
 
-// getCallback 返回回调函数
+// 返回回调函数
 func (m *ipcEmitHandler) getCallback(messageId int32) *ipcCallback {
 	//return (*list.Element)(unsafe.Pointer(ptr)).Value.(*ipcCallback)
 	m.callbackLock.Lock()
@@ -143,7 +143,7 @@ func (m *ipcEmitHandler) getCallback(messageId int32) *ipcCallback {
 	return nil
 }
 
-// clear 清空所有回调函数
+// 清空所有回调函数
 func (m *ipcEmitHandler) clear() {
 	for _, v := range m.callbackList {
 		v.function.SetCanNotFree(false)
@@ -154,7 +154,7 @@ func (m *ipcEmitHandler) clear() {
 	m.callbackList = make(map[int32]*ipcCallback)
 }
 
-// addCallback 根据事件名添加回调函数
+// 根据事件名添加回调函数
 func (m *ipcOnHandler) addCallback(eventName string, callback *ipcCallback) {
 	//return uintptr(unsafe.Pointer(m.callbackList.PushBack(callback)))
 	m.callbackLock.Lock()
@@ -168,7 +168,7 @@ func (m *ipcOnHandler) addCallback(eventName string, callback *ipcCallback) {
 	m.callbackList[eventName] = callback
 }
 
-// removeCallback 根据事件名移除回调函数
+// 根据事件名移除回调函数
 func (m *ipcOnHandler) removeCallback(eventName string) {
 	//m.callbackList.Remove((*list.Element)(unsafe.Pointer(ptr)))
 	m.callbackLock.Lock()
@@ -176,7 +176,7 @@ func (m *ipcOnHandler) removeCallback(eventName string) {
 	delete(m.callbackList, eventName)
 }
 
-// getCallback 根据事件名返回回调函数
+// 根据事件名返回回调函数
 func (m *ipcOnHandler) getCallback(eventName string) *ipcCallback {
 	//return (*list.Element)(unsafe.Pointer(ptr)).Value.(*ipcCallback)
 	m.callbackLock.Lock()
@@ -184,7 +184,7 @@ func (m *ipcOnHandler) getCallback(eventName string) *ipcCallback {
 	return m.callbackList[eventName]
 }
 
-// clear 清空所有回调函数
+// 清空所有回调函数
 func (m *ipcOnHandler) clear() {
 	for _, v := range m.callbackList {
 		v.function.SetCanNotFree(false)
diff --git a/cef/ipc_render.go b/cef/ipc_render.go
index c1e5c50b..13eadd51 100644
--- a/cef/ipc_render.go
+++ b/cef/ipc_render.go
@@ -26,24 +26,27 @@ import (
 // ipcRenderProcess 渲染进程
 type ipcRenderProcess struct {
 	isInitRenderIPC bool
-	ipcObject       *ICefV8Value    // ipc object
-	emitHandler     *ipcEmitHandler // ipc.emit handler
-	onHandler       *ipcOnHandler   // ipc.on handler
+	ipcObject       *ICefV8Value            // ipc object
+	emitHandler     *ipcEmitHandler         // ipc.emit handler
+	onHandler       map[int64]*ipcOnHandler // ipc.on handler
 	waitChan        *ipc.WaitChan
 }
 
-func (m *ipcRenderProcess) clear() {
+func (m *ipcRenderProcess) clear(frameId int64) {
 	if m.ipcObject != nil {
 		m.ipcObject.Free()
 		m.ipcObject = nil
 	}
 	if m.onHandler != nil {
-		m.onHandler.clear()
+		if on, ok := m.onHandler[frameId]; ok {
+			on.clear()
+			delete(m.onHandler, frameId)
+		}
 	}
 }
 
-// jsOnEvent JS ipc.on 监听事件
-func (m *ipcRenderProcess) jsOnEvent(name string, object *ICefV8Value, arguments *TCefV8ValueArray, retVal *ResultV8Value, exception *ResultString) (result bool) {
+// JS ipc.on 监听事件
+func (m *ipcOnHandler) jsOnEvent(name string, object *ICefV8Value, arguments *TCefV8ValueArray, retVal *ResultV8Value, exception *ResultString) (result bool) {
 	if name != internalIPCOn {
 		return
 	} else if arguments.Size() != 2 { //必须是2个参数
@@ -74,13 +77,17 @@ func (m *ipcRenderProcess) jsOnEvent(name string, object *ICefV8Value, arguments
 	onCallback.SetCanNotFree(true)
 	onNameValue = onName.GetStringValue()
 	//ipc on
-	m.onHandler.addCallback(onNameValue, &ipcCallback{function: V8ValueRef.UnWrap(onCallback), name: V8ValueRef.UnWrap(onName)})
+	m.addCallback(onNameValue, &ipcCallback{function: V8ValueRef.UnWrap(onCallback), name: V8ValueRef.UnWrap(onName)})
 	result = true
 	return
 }
 
 // Go ipc.emit 执行JS事件
 func (m *ipcRenderProcess) ipcGoExecuteJSEvent(browser *ICefBrowser, frame *ICefFrame, sourceProcess consts.CefProcessId, message *ICefProcessMessage) (result bool) {
+	on, ok := m.onHandler[frame.Identifier()]
+	if !ok {
+		return false
+	}
 	result = true
 	argumentListBytes := message.ArgumentList().GetBinary(0)
 	//接收二进制数据失败
@@ -120,7 +127,7 @@ func (m *ipcRenderProcess) ipcGoExecuteJSEvent(browser *ICefBrowser, frame *ICef
 		}
 	}()
 
-	if callback := ipcRender.onHandler.getCallback(emitName); callback != nil {
+	if callback := on.getCallback(emitName); callback != nil {
 		var callbackArgsBytes interface{}
 		//enter v8context
 		ctx := frame.V8Context()
@@ -737,10 +744,10 @@ func (m *ipcRenderProcess) ipcJSExecuteGoSyncEventMessageReply(messageId int32,
 }
 
 // ipc
-func (m *ipcRenderProcess) makeIPC(context *ICefV8Context) {
+func (m *ipcRenderProcess) makeIPC(frameId int64, context *ICefV8Context) {
 	if m.ipcObject != nil {
 		// 刷新时释放掉
-		m.clear()
+		m.clear(frameId)
 	}
 	// ipc emit
 	m.emitHandler.handler = V8HandlerRef.New()
@@ -751,14 +758,24 @@ func (m *ipcRenderProcess) makeIPC(context *ICefV8Context) {
 	m.emitHandler.handlerSync.Execute(m.jsExecuteGoEvent)
 
 	// ipc on
-	m.onHandler.handler = V8HandlerRef.New()
-	m.onHandler.handler.Execute(m.jsOnEvent)
+	var on *ipcOnHandler
+	if handler, ok := m.onHandler[frameId]; ok {
+		on = handler
+	} else {
+		on = &ipcOnHandler{handler: V8HandlerRef.New(), callbackList: make(map[string]*ipcCallback)}
+		on.handler.Execute(on.jsOnEvent)
+		m.onHandler[frameId] = on
+	}
+
+	//m.onHandler.handler = V8HandlerRef.New()
+	//m.onHandler.handler.Execute(m.jsOnEvent)
+	//on.handler = V8HandlerRef.New()
 
 	// ipc object
 	m.ipcObject = V8ValueRef.NewObject(nil)
 	m.ipcObject.setValueByKey(internalIPCEmit, V8ValueRef.newFunction(internalIPCEmit, m.emitHandler.handler), consts.V8_PROPERTY_ATTRIBUTE_READONLY)
 	m.ipcObject.setValueByKey(internalIPCEmitWait, V8ValueRef.newFunction(internalIPCEmitWait, m.emitHandler.handlerSync), consts.V8_PROPERTY_ATTRIBUTE_READONLY)
-	m.ipcObject.setValueByKey(internalIPCOn, V8ValueRef.newFunction(internalIPCOn, m.onHandler.handler), consts.V8_PROPERTY_ATTRIBUTE_READONLY)
+	m.ipcObject.setValueByKey(internalIPCOn, V8ValueRef.newFunction(internalIPCOn, on.handler), consts.V8_PROPERTY_ATTRIBUTE_READONLY)
 
 	// ipc key to v8 global
 	context.Global().setValueByKey(internalIPC, m.ipcObject, consts.V8_PROPERTY_ATTRIBUTE_READONLY)
diff --git a/cef/types_browser.go b/cef/types_browser.go
index 27b184cb..39ba3ed3 100644
--- a/cef/types_browser.go
+++ b/cef/types_browser.go
@@ -520,6 +520,15 @@ func (m *ICefBrowser) GetFrameNames() []*FrameNames {
 	return frameNames
 }
 
+func (m *ICefBrowser) GetFrameIdentifiers() []int64 {
+	var list uintptr
+	var count uint32
+	var ids uintptr
+	imports.Proc(def.CEFBrowser_GetFrameIdentifiers).Call(m.Instance(), uintptr(unsafe.Pointer(&list)), uintptr(unsafe.Pointer(&count)), uintptr(unsafe.Pointer(&ids)))
+	// TODO 未取到正确结果
+	return nil
+}
+
 // Find 检索页面文本
 func (m *ICefBrowser) Find(searchText string, forward, matchCase, findNext bool) {
 	if !m.IsValid() {
diff --git a/cef/types_frame.go b/cef/types_frame.go
index f6ae8fdd..1f0c24bb 100644
--- a/cef/types_frame.go
+++ b/cef/types_frame.go
@@ -264,6 +264,28 @@ func (m *ICefFrame) Parent() *ICefFrame {
 	return &ICefFrame{instance: unsafe.Pointer(result)}
 }
 
+func (m *ICefFrame) Target(targetType ...target.Type) target.ITarget {
+	if !m.IsValid() {
+		return nil
+	}
+	browse := m.Browser()
+	if !browse.IsValid() {
+		return nil
+	}
+	return target.NewTarget(m, browse.Identifier(), m.Identifier(), targetType...)
+}
+
+func (m *ICefFrame) IsClosing() bool {
+	return false //Determine whether the window has been closed by oneself
+}
+
+func (m *ICefFrame) ProcessMessage() target.IProcessMessage {
+	if m == nil {
+		return nil
+	}
+	return m
+}
+
 func (m *ICefFrame) Free() {
 	if !m.IsValid() {
 		return