diff --git a/http.go b/http.go
index 519df53..b2fb543 100644
--- a/http.go
+++ b/http.go
@@ -2,6 +2,7 @@ package http
 
 import (
 	_ "embed"
+	"encoding/json"
 	"net/http"
 	"reflect"
 	"strings"
@@ -275,14 +276,14 @@ func (hc *Http) Connect(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
 		// ws.onPing = opt.Func("onPing")
 		// ws.onPong = opt.Func("onPong")
 		ws.onMessage = opt.Func("onMessage")
-		ws.onJSONMessage = opt.Func("onJSONMessage")
 		ws.pingInterval = opt.Int64("pingInterval")
 		ws.reconnectInterval = opt.Int64("reconnectInterval")
-		if ws.reconnectInterval == 0 && (ws.onMessage != nil || ws.onJSONMessage != nil) {
+		if ws.reconnectInterval == 0 && ws.onMessage != nil {
 			ws.reconnectInterval = 1000
 		}
 	}
 	// fmt.Println(u.BMagenta("WS"), "start")
+
 	if err := ws.connect(vm); err == nil {
 		if ws.pingInterval > 0 {
 			// fmt.Println(u.BMagenta("WS"), "start ping")
@@ -290,10 +291,7 @@ func (hc *Http) Connect(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
 				// ws.sleep(time.Duration(ws.pingInterval) * time.Millisecond)
 				for {
 					if ws.conn != nil {
-						// fmt.Println(u.BMagenta("WS"), "ping")
-						ws.writeLock.Lock()
-						ws.conn.WriteMessage(websocket.PingMessage, []byte{'P'})
-						ws.writeLock.Unlock()
+						ws.writeMessage(websocket.PingMessage, nil)
 					}
 					if !ws.running {
 						break
@@ -310,30 +308,17 @@ func (hc *Http) Connect(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
 			ws.pingStopChan <- true
 		}
 
-		if ws.onMessage != nil || ws.onJSONMessage != nil {
+		if ws.onMessage != nil {
 			// fmt.Println(u.BMagenta("WS"), "start onMessage")
 			go func() {
 				for {
 					for {
 						if ws.conn != nil {
-							if ws.onJSONMessage != nil {
-								var obj interface{}
-								err := ws.conn.ReadJSON(&obj)
-								if err != nil {
-									break
-								}
-								_, _ = ws.onJSONMessage(ws.this, vm.ToValue(obj))
-							} else {
-								typ, buf, err := ws.conn.ReadMessage()
-								if err != nil {
-									break
-								}
-								if typ == websocket.TextMessage {
-									_, _ = ws.onMessage(ws.this, vm.ToValue(string(buf)))
-								} else {
-									_, _ = ws.onMessage(ws.this, vm.ToValue(buf))
-								}
+							typ, data, err := readWSMessage(ws.conn)
+							if err != nil {
+								break
 							}
+							_, _ = ws.onMessage(ws.this, vm.ToValue(typ), vm.ToValue(data))
 						}
 					}
 					// fmt.Println(u.BMagenta("WS"), "stop onMessage")
@@ -377,8 +362,11 @@ type WS struct {
 	onError      goja.Callable
 	// onPing            goja.Callable
 	// onPong            goja.Callable
+	pingTimes         int64
+	pongTimes         int64
+	lastPingTime      int64
+	lastPongTime      int64
 	onMessage         goja.Callable
-	onJSONMessage     goja.Callable
 	pingInterval      int64
 	reconnectInterval int64
 }
@@ -437,6 +425,15 @@ func (ws *WS) connect(vm *goja.Runtime) error {
 	// 	})
 	// 	return err
 	// }
+	ws.pingTimes = 0
+	ws.pongTimes = 0
+	ws.lastPingTime = 0
+	ws.lastPongTime = 0
+	conn.SetPongHandler(func(appData string) error {
+		ws.pongTimes++
+		ws.lastPongTime = time.Now().UnixMilli()
+		return nil
+	})
 	conn.SetCloseHandler(func(code int, text string) error {
 		// fmt.Println(u.BMagenta("WS"), "onClose")
 		if ws.onClose != nil {
@@ -462,48 +459,111 @@ func (ws *WS) connect(vm *goja.Runtime) error {
 	return nil
 }
 
-func (ws *WS) Read(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
-	typ, buf, err := ws.conn.ReadMessage()
-	if err != nil {
-		panic(vm.NewGoError(err))
-	}
-	if typ == websocket.TextMessage {
-		return vm.ToValue(string(buf))
-	} else {
-		return vm.ToValue(buf)
-	}
+func (ws *WS) PingCount(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
+	return vm.ToValue(gojs.Map{
+		"pingTimes":    ws.pingTimes,
+		"pongTimes":    ws.pongTimes,
+		"lastPingTime": ws.lastPingTime,
+		"lastPongTime": ws.lastPongTime,
+	})
 }
 
-func (ws *WS) ReadJSON(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
-	var obj interface{}
-	err := ws.conn.ReadJSON(&obj)
+func (ws *WS) Read(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
+	typ, data, err := readWSMessage(ws.conn)
 	if err != nil {
 		panic(vm.NewGoError(err))
 	}
-	return vm.ToValue(obj)
+	return vm.ToValue(gojs.Map{
+		"type": typ,
+		"data": data,
+	})
+}
+
+func readWSMessage(client *websocket.Conn) (string, any, error) {
+	msgType := "close"
+	var msgData any
+	typ, data, err := client.ReadMessage()
+	if err == nil && typ != websocket.CloseMessage {
+		switch typ {
+		case websocket.TextMessage:
+			if err2 := json.Unmarshal(data, &msgData); err2 != nil {
+				msgData = string(data)
+				msgType = "text"
+			} else {
+				msgType = "json"
+			}
+		case websocket.BinaryMessage:
+			if err2 := json.Unmarshal(data, &msgData); err2 != nil {
+				msgData = data
+				msgType = "binary"
+			} else {
+				msgType = "json"
+			}
+		case websocket.PingMessage:
+			msgData = string(data)
+			msgType = "ping"
+		case websocket.PongMessage:
+			msgData = string(data)
+			msgType = "pong"
+		}
+	}
+	return msgType, msgData, err
+}
+
+func (ws *WS) writeMessage(typ int, msg []byte) error {
+	ws.writeLock.Lock()
+	defer ws.writeLock.Unlock()
+	if typ == websocket.PingMessage {
+		ws.pingTimes++
+		ws.lastPingTime = time.Now().UnixMilli()
+	}
+	return ws.conn.WriteMessage(typ, msg)
 }
 
 func (ws *WS) Write(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
 	args := gojs.MakeArgs(&argsIn, vm).Check(1)
 	var err error
-	ws.writeLock.Lock()
-	if args.Arguments[0].ExportType().Kind() == reflect.String {
-		err = ws.conn.WriteMessage(websocket.TextMessage, args.Bytes(0))
-	} else {
-		err = ws.conn.WriteMessage(websocket.BinaryMessage, args.Bytes(0))
+	switch args.Any(0).(type) {
+	case []byte:
+		err = ws.writeMessage(websocket.BinaryMessage, args.Bytes(0))
+	case string:
+		err = ws.writeMessage(websocket.TextMessage, args.Bytes(0))
+	default:
+		err = ws.writeMessage(websocket.TextMessage, u.JsonBytes(args.Any(0)))
 	}
-	ws.writeLock.Unlock()
 	if err != nil {
 		panic(vm.NewGoError(err))
 	}
 	return nil
 }
 
-func (ws *WS) WriteJSON(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
-	args := gojs.MakeArgs(&argsIn, vm).Check(1)
-	ws.writeLock.Lock()
-	err := ws.conn.WriteJSON(args.Any(0))
-	ws.writeLock.Unlock()
+func (ws *WS) Ping(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
+	err := ws.writeMessage(websocket.PingMessage, nil)
+	if err != nil {
+		panic(vm.NewGoError(err))
+	}
+	return nil
+}
+
+func (ws *WS) WriteMessage(argsIn goja.FunctionCall, vm *goja.Runtime) goja.Value {
+	args := gojs.MakeArgs(&argsIn, vm).Check(2)
+	var err error
+	switch args.Str(0) {
+	case "text":
+		err = ws.writeMessage(websocket.TextMessage, args.Bytes(1))
+	case "binary":
+		err = ws.writeMessage(websocket.BinaryMessage, args.Bytes(1))
+	case "ping":
+		err = ws.writeMessage(websocket.PingMessage, args.Bytes(1))
+	case "pong":
+		err = ws.writeMessage(websocket.PongMessage, args.Bytes(1))
+	case "close":
+		err = ws.writeMessage(websocket.CloseMessage, args.Bytes(1))
+	case "json":
+		err = ws.writeMessage(websocket.TextMessage, u.JsonBytes(args.Any(1)))
+	default:
+		err = ws.writeMessage(websocket.TextMessage, args.Bytes(1))
+	}
 	if err != nil {
 		panic(vm.NewGoError(err))
 	}
diff --git a/http.ts b/http.ts
index 48c07ae..67f9828 100644
--- a/http.ts
+++ b/http.ts
@@ -59,16 +59,28 @@ interface WSConfig {
     compress: boolean
     onOpen: () => void
     onClose: (code: number, data: string) => void
-    onMessage: (data: any) => void
-    onJSONMessage: (data: any) => void
+    onMessage: (type: string, data: any) => void
     pingInterval: number
     reconnectInterval: number
 }
 
 interface WS {
-    read(): any
-    readJSON(): any
+    read: () => WSMessage
     write(data: any): void
-    writeJSON(data: any): void
+    writeMessage(type: string, data: any): void
+    ping: () => void
+    pingCount: () => PingCount
     close(): void
-}
\ No newline at end of file
+}
+
+interface PingCount {
+    pingTimes: number
+    pongTimes: number
+    lastPingTime: number
+    lastPongTime: number
+}
+
+interface WSMessage {
+    type: string
+    data: string | Object
+}
diff --git a/ws_test.js b/ws_test.js
index b713def..28a6199 100644
--- a/ws_test.js
+++ b/ws_test.js
@@ -6,20 +6,21 @@ function main() { }
 function testSync() {
     let conn = http.connect("http://127.0.0.1:18001/ws")
     conn.write('111')
-    if (conn.read() !== '111') {
-        return false
+    let r1 = conn.read().data
+    if (r1 !== 111) {
+        return r1
     }
 
     conn.write(new Uint8Array([0x01, 0x02, 0x03]))
-    let r2 = conn.read()
+    let r2 = conn.read().data
     if (r2[0] != 1 || r2[1] != 2 || r2[2] != 3) {
-        return false
+        return r2
     }
 
-    conn.writeJSON({ name: 'Tom' })
-    let r3 = conn.readJSON()
+    conn.write({ name: 'Tom' })
+    let r3 = conn.read().data
     if (r3.name != 'Tom') {
-        return false
+        return r3
     }
     conn.close()
     return true
@@ -42,22 +43,22 @@ function testAsync() {
         onPong: function (data) {
             console.info("onPong", data)
         },
-        onJSONMessage: function (data) {
+        onMessage: function (type, data) {
             // console.info("onJSONMessage", data)
             asyncResult += data.name
         },
     })
     asyncConn = conn
 
-    conn.writeJSON({ name: 'Tom1' })
-    conn.writeJSON({ name: 'Tom2' })
-    conn.writeJSON({ name: 'Tom3' })
+    conn.write({ name: 'Tom1' })
+    conn.write({ name: 'Tom2' })
+    conn.write({ name: 'Tom3' })
 }
 
 function testAsync2() {
-    asyncConn.writeJSON({ name: 'Tom4' })
-    asyncConn.writeJSON({ name: 'Tom5' })
-    asyncConn.writeJSON({ name: 'Tom6' })
+    asyncConn.write({ name: 'Tom4' })
+    asyncConn.write({ name: 'Tom5' })
+    asyncConn.write({ name: 'Tom6' })
 }
 
 function closeAsync() {