Beego encountered problems in creating API

I am a novice. I am using beego api test-conn=root:@tcp (127.0.0.1 test 3306) / test
Times error:
Could not show tables: The authentication plugin is not supported.
I don"t know what to do. Ask God for advice

Mysql beego
Mar.28,2021

https://www.pixelstech.net/ar.

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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-64f5-1b373bd-2c07f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b373bd-2c07f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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