mysql 启动不了：报错

大侠好，linux不熟。买了个aliyun.刚刚提示有黑客攻击登录，我就到阿里云后台重置了密码，然后mysql就出现问题了。然后我重启，各种启动就是mysql启动不了，查看mysql错误日志就这些，麻烦个位好心人，帮忙看看怎么解决，谢谢了。我刚刚又把密码改回来了，还是启动不了mysql

Starting MySQL. ERROR! The server quit without updating PID file (/alidata/server/mysql/data/iZ94d0sdc81Z.pid).

160716 10:53:06 mysqld_safe Starting mysqld daemon with databases from /alidata/server/mysql/data

?/alidata/server/mysql/bin/mysqld: File './mysql-bin.~rec~' not found (Errcode: 13)
160716 10:53:06 [ERROR] MYSQL_BIN_LOG::open_purge_index_file failed to open register  file.
160716 10:53:06 [ERROR] MYSQL_BIN_LOG::open_index_file failed to sync the index file.
160716 10:53:06 [ERROR] Aborting


160716 10:53:06 [Note] /alidata/server/mysql/bin/mysqld: Shutdown complete


160716 10:53:06 mysqld_safe mysqld from pid file /alidata/server/mysql/data/iZ94d0sdc81Z.pid ended