How to set the color of this area of echarts?

as shown in the figure, only the background color of the background setting chart is found in the document. I don"t know where to configure the color of this part
I want to set it to transparent

.
Mar.02,2021

is that what you want?
this can be set by setting areaStyle to set

.
yAxis: {
    scale: true,
    splitArea: {
        show: true,
        areaStyle:[]
    }
}
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1c22ba3-32d94.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1c22ba3-32d94.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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