需求见下图

正常直接给x,y添加完name的样子
xAxis: {
name: 'x轴name',
type: 'category',
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
},
yAxis: {
name: 'y轴name',
type: 'value'
}

调整代码及图示
xAxis: {
name: 'x轴name',
nameTextStyle: {
color: '#000',
fontSize: 22,
},
nameGap: 50,
nameLocation: "middle",
type: 'category',
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
},
yAxis: {
name: 'y轴name',
nameTextStyle: {
color: '#000',
fontSize: 22,
},
nameRotate: 90,
nameGap: 50,
nameLocation: "middle",
type: 'value'
},

最终调整结果代码及图示
xAxis: {
name: 'x轴name',
nameTextStyle: {
color: '#000',
fontSize: 22,
padding:[0,0,0,0,0]
},
nameGap: -1040,
nameLocation: "middle",
type: 'category',
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
},
yAxis: {
name: 'y轴name',
nameTextStyle: {
color: '#000',
fontSize: 22,
padding:[0,0,0,0]
},
nameRotate: -90,
nameGap: -1240,
nameLocation: "middle",
type: 'value'
}
