./mysqld_exporter: cannot execute binary file

./mysqld_exporter: cannot execute binary file

今天安装mysql_exporter 执行后报这个错误，百思不得其解，突然脑子开光，想到是自己下错包了。

https://github.com/prometheus/mysqld_exporter/releases 下载地址，下：这个包：mysqld_exporter-0.12.1.linux-amd64.tar.gz