There is a problem with the network connection

my computer is connected to the company"s wireless, and the Internet speed is very slow (basically equal to no Internet. (but there is no problem with my computer connecting to the wireless at home.
I have no problem with my mobile phone even if I am wireless in the company.
turn on the hotspot of the mobile phone to connect to the computer, and the speed of the computer network is fine.
excuse me, what is the reason for this?

Feb.09,2022

solved the network reason

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-64f5-1b2b9f6-2b228.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2b9f6-2b228.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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