php连接mysql数据库出现问题

项目是laravel 在进行key的设置的时候，项目进行数据的连接
我设置了pdo_mysql的扩展 执行
php artisan passport:install
报错：
PHP Warning: PHP Startup: Unable to load dynamic library ‘pdo_mysql.so’ (tried: /usr/local/lib/php/extensions/no-debug-non-zts-20200930/pdo_mysql.so (/usr/local/lib/php/extensions/no-debug-non-zts-20200930/pdo_mysql.so: undefined symbol: mysqlnd_allocator), /usr/local/lib/php/extensions/no-debug-non-zts-20200930/pdo_mysql.so.so (/usr/local/lib/php/extensions/no-debug-non-zts-20200930/pdo_mysql.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0

Warning: PHP Startup: Unable to load dynamic library ‘pdo_mysql.so’ (tried: /usr/local/lib/php/extensions/no-debug-non-zts-20200930/pdo_mysql.so (/usr/local/lib/php/extensions/no-debug-non-zts-20200930/pdo_mysql.so: undefined symbol: mysqlnd_allocator), /usr/local/lib/php/extensions/no-debug-non-zts-20200930/pdo_mysql.so.so (/usr/local/lib/php/extensions/no-debug-non-zts-20200930/pdo_mysql.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
尝试了很对解决方案都没解决 。希望有大神帮助一下。我刚学php不久