improve dataZoom cursor
improve dataZoom cursor

100star/echarts,apache/incubator-echarts,hexj/echarts,chenfwind/echarts,starlkj/echarts,100star/echarts,ecomfe/echarts,hexj/echarts,hexj/echarts,ecomfe/echarts,starlkj/echarts,starlkj/echarts,chenfwind/echarts,apache/incubator-echarts