In the function of uploading a file successfully in element, how to return the successful prompt or error prompt returned by the backend?

/ / upload error

uploadError: function (response, file, fileList) {
  this.$commonUtils.setMessage("error", "")
}

"" 


response{"result":null,"statusCode":500,"message":""}message
Mar.01,2021

uploadError: function (response, file, fileList) {
  this.$commonUtils.setMessage('error', response.message)
}
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-64f5-1b3cd2a-2c351.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3cd2a-2c351.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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