When searching Elasticsearch6.1.2 + Searchkick, can't Chinese match correctly?

my environment is: 

   


 I would like to ask you, how to set up, how to do? Thank you very much.
Ruby-on-rails elasticsearch
Nov.24,2021

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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-64f5-1b3d0c4-4efc8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3d0c4-4efc8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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