the php-ssh2 unable to add right in php74 alpine-v3.12

[wqsacy]

when i try :
apk add php7-ssh2
or
apk add php-ssh2

Can be added ，but has a Warning:

PHP Warning: PHP Startup: Unable to load dynamic library 'ssh2.so' (tried: /usr/lib/php7/modules/ssh2.so (Error relocating /usr/lib/php7/modules/ssh2.so: php_error_docref0: symbol not found), /usr/lib/php7/modules/ssh2.so.so (Error loading shared library /usr/lib/php7/modules/ssh2.so.so: No such file ordirectory)) in Unknown on line 0

when i try echo "https://dl.bintray.com/php-alpine/v3.12/php-7.4" >> /etc/apk/repositories

has a error:
ERROR: unable to select packages:
php-ssh2 (no such package):
required by: world[php-ssh2]

so , hao can i do? Thank you in advance...

Forgive me for my poor English

[hernandev]

have you tried with @php on the repo? like on the readme docs