option = {
backgroundColor: '#24273e',
title: [{
text: '湿度',
left: 0,
textStyle: {
color: '#fff'
},
}, {
text: 18.4,
left: 'center',
subtext: 'RH%',
textStyle: {
color: '#fff',
fontSize: 100
},
subtextStyle: {
color: '#00b36a',
fontSize: 50
}
}]
};