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

Previous: Tools suitable for writing interface documents, or text syntax

Next: Problems in the use of sourcetree

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
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-64f5-1e3bfbb-439d4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e3bfbb-439d4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?