Echarts automatically changes colors

the bar chart automatically changes colors, lines, and pie charts during self-adaptation.
is the normal echarts creation process

.

later it is found that this is the reason why this is set

option.itemStyle = {
  normal: {
    color: function() {
      return colors[xx]
    }
  }
}
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-64f5-1b30d27-2b591.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b30d27-2b591.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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