Nextcloud19.0.0 share folder with users not support Chinese character

[vechie]

Operating system :
CentOS Linux release 7.8.2003 (Core)
Web server:
httpd 2.4.43
Database:
mariadb 10.5.4
PHP version:
php7.2
fresh install
wget https://download.nextcloud.com/server/releases/nextcloud-19.0.0.zip
I create a chinese folder ,called 舍棉衣外套采购申请单青年美科技,and share with vechie，and it works well .so I login as vechie,first time it works well ,
when I refresh the browser some times，the folder changed as follows ：

I tried several times and sevreal fresh server and database, but the same wrong problem 。
so , the character_set about utf8mb4 not support Chinese characters?

[vechie]

the filename or folder name missing ,I don’t know why,and the file_target int the table oc_share changed

[vechie]

{“reqId”:“XwPr45TRzTupVdcZU8UtyAAAAAc”,“level”:3,“time”:“2020-07-07T04:06:11+00:00”,“remoteAddr”:"",“user”:“vechie”,“app”:“PHP”,“method”:“POST”,“url”:"/nextcloud/index.php/apps/text/session/sync",“message”:“hash_hmac(): Unknown hashing algorithm: sha1 at /var/www/html/nextcloud/3rdparty/phpseclib/phpseclib/phpseclib/Crypt/Hash.php#379”,“userAgent”:“Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36”,“version”:“19.0.0.12”}

[Roots-Ban]

Has the problem been solved? What is the reason? The same problem occurs here when limiting the use of nextcloud15 versions