新手求救centos7.064不能安装wdcp

Complete!
PING dl.wdlinux.cn (222.186.43.27) 56(84) bytes of data.
64 bytes from 222.186.43.27: icmp_seq=1 ttl=50 time=32.1 ms
64 bytes from 222.186.43.27: icmp_seq=2 ttl=50 time=32.0 ms
64 bytes from 222.186.43.27: icmp_seq=3 ttl=50 time=32.5 ms

--- dl.wdlinux.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 32.063/32.241/32.555/0.303 ms

rpm remove...
error: package php is not installed
error: package httpd is not installed
error: package mysql-server is not installed
error: package mysql is not installed
yum update...
Loaded plugins: langpacks
Package 1:make-3.82-21.el7.x86_64 already installed and latest version
Package autoconf-2.69-11.el7.noarch already installed and latest version
Package sudo-1.8.6p7-13.el7.x86_64 already installed and latest version
Package wget-1.14-10.el7_0.1.x86_64 already installed and latest version
Package libtool-ltdl-devel-2.4.2-20.el7.x86_64 already installed and latest version
Package gd-devel-2.0.35-26.el7.x86_64 already installed and latest version
Package freetype-devel-2.4.11-10.el7_1.1.x86_64 already installed and latest version
Package libxml2-devel-2.9.1-5.el7_1.2.x86_64 already installed and latest version
Package libjpeg-turbo-devel-1.2.90-5.el7.x86_64 already installed and latest version
Package 2:libpng-devel-1.5.13-5.el7.x86_64 already installed and latest version
Package 1:openssl-devel-1.0.1e-42.el7.4.x86_64 already installed and latest version
Package libcurl-devel-7.29.0-19.el7.x86_64 already installed and latest version
Package patch-2.7.1-8.el7.x86_64 already installed and latest version
Package libmcrypt-devel-2.5.8-13.el7.x86_64 already installed and latest version
Package mhash-devel-0.9.9.9-10.el7.x86_64 already installed and latest version
Package ncurses-devel-5.9-13.20130511.el7.x86_64 already installed and latest version
Package iptables-1.4.21-13.el7.x86_64 already installed and latest version
Nothing to do

The current system does not support