#重新安装postgis24_10包

    sudo yum -y update
    sudo yum -y upgrade
    yum clean all
    #根据系统查到pgdg包
        # cat /etc/redhat-release 得到系统大版本
        #uname -m   #得到系统是32位还是64位  
        #然后去https://download.postgresql.org/pub/repos/yum/10/redhat找到相应的pgdg包
    sudo yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-42.0-24.noarch.rpm  
    sudo yum install epel-release
    sudo yum update -y && sudo reboot
    sudo yum install bind-utils