Mac does not take effect after modifying the configuration of the hosts file.

my computer is the Mac OS X 10.10.5 hosts file in the / etc directory
. As shown in figure 1 is my hosts file configuration, IP202.108.22.5 is Baidu home IP address
. I visited test.com using my browser and the result is shown in figure 2
. My browser does not have a proxy computer or a global proxy
. I closed the browser and waited for 2 minutes to open or this page shuts down again
. Running sudo dscacheutil-flushcache on the command line still doesn"t work
. I run ls in the / etc directory | grep host has only hosts and hosts.equiv (empty files)
. My firewall is turned off
. My local nginx and apache are turned off
. / hosts in the private/etc directory is the same as my configuration file
I would like to ask you, what is the principle of this? this thing has not been ready for two days. Please wait online and ask for

urgently.
Ios
Nov.23,2021
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-64f5-1b32f25-34204.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b32f25-34204.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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