The problem of placeholder garbled codes in WeChat Mini Programs input

ask the great god for advice on why this is the case. Weui framework is used, but it should not be affected.

Weui Mini-Program
Mar.01,2021

did not encounter the problem you said, remove the framework and take a look. Looks like there's a coding problem. With what debugging tool to see.
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Editor coding problems

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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-64f5-1b2bb23-33e65.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2bb23-33e65.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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