Umeditor this editor. The hyperlinks inside, why did they all become after clicking on the source code?

clipboard.png

html

html
:

clipboard.png

The

hyperlinks have become http://undefined?
read the online changes are not successful. I don"t know what"s going on?

Html html5 python javascript php
Mar.03,2021

change href= "http://undefined"
to href=" http://www.baidu.com"

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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-64f5-1b2b733-2ba94.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2b733-2ba94.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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