let socketdf = wx.createTCPSocket();

        console.log('socketfd = ', socketdf);
        socketdf.connect({
            port: 80,
            address: '192.168.1.104'
        });
        socketdf.onConnect(function (e) {
            console.log('链接成功');
            socketdf.write('debug data');
        });
        socketdf.onError((errret) => {
            console.log('err ret=', errret);
        });