fix: agent ws connect panic

agent/agent.go

@@ -189,22 +189,6 @@ func (a *Agent) connectWS() error {
 		return err
 	}
 
-	// 设置读取超时（比服务端 ping 间隔长一些）
-	conn.SetReadDeadline(time.Now().Add(60 * time.Second))
-
-	// 设置 Ping 处理器，收到 Ping 时重置读取超时
-	conn.SetPingHandler(func(appData string) error {
-		conn.SetReadDeadline(time.Now().Add(60 * time.Second))
-		// 回复 Pong
-		return conn.WriteControl(websocket.PongMessage, []byte(appData), time.Now().Add(5*time.Second))
-	})
-
-	// 设置 Pong 处理器，收到 Pong 时重置读取超时
-	conn.SetPongHandler(func(appData string) error {
-		conn.SetReadDeadline(time.Now().Add(60 * time.Second))
-		return nil
-	})
-
 	a.wsMu.Lock()
 	a.wsConn = conn
 	a.wsStopCh = make(chan struct{})
@@ -244,12 +228,10 @@ func (a *Agent) readWS() {
 
 		_, message, err := conn.ReadMessage()
 		if err != nil {
+			log.Warnf("WebSocket 读取错误: %v", err)
 			return
 		}
 
-		// 收到消息，重置读取超时
-		conn.SetReadDeadline(time.Now().Add(60 * time.Second))
-
 		var msg WSMessage
 		if err := json.Unmarshal(message, &msg); err != nil {
 			continue