Access the mounted win host directory 403 in the virtual machine ubuntu?

I plan to mount the project of the windows host in the virtual machine and try to access the files of the win host through the ubuntu server, which not only ensures the use of the linux server, but also facilitates editing the code; I create the site directly in the ubuntu, which is accessed normally, as follows

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403
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ubuntuindex.txt

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my operation and maintenance is not professional, ask for advice!

Apr.11,2021
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-64f5-1eb6ee5-483ec.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eb6ee5-483ec.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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