How to solve the problem that the react project uses express and mongodb and axios to send messages in mobile browsers?

react+nodejs+express+mongodb+axios+antd-mobile
Instant messaging app
can send and receive instant messages normally on PC, but not on mobile browsers.
clicking and sending on mobile phone can pop up alert events, but the message cannot be sent, and there is no data left in the database to be written into
Mobile uc qq chrom browser Wechat.
who knows what"s going on?

Chrome mongodb windows-server express html
Mar.20,2021

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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-64f5-4299d87-5965.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-4299d87-5965.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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