Does the echarts stacked bar chart automatically add the values? What is the reason for this?

it is found that the values of their two histograms are automatically added, and I don"t know where the reason

Mar.01,2021

I erase the reason for the low version again

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-64f5-1e977ab-68dcf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e977ab-68dcf.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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