Mini Program shares various problems in moments.

1.canvas draws pictures, and the pictures work well in the developer"s tools. If the domain name is not checked, the pictures in the mobile phone debugging canvas will not come out
2. The saved picture has been distorted. How to deal with
I hope the gods can help provide some ideas

Mar.21,2021
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-64f5-1e59408-4486c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e59408-4486c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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