diff --git a/install/yumRepo_select.sh b/install/yumRepo_select.sh
index 8b13789..8c7b25e 100644
--- a/install/yumRepo_select.sh
+++ b/install/yumRepo_select.sh
@@ -1 +1,60 @@
+#!/bin/bash
+PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
+export PATH
+get_Yum_Repo(){
+	nodes=(http://mirrors.cloud.tencent.com/repo/centos7_base.repo http://mirrors.aliyun.com/repo/Centos-7.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo https://mirrors.tuna.tsinghua.edu.cn/help/centos/index.html)
+	i=1
+	for node in ${nodes[@]}; 
+	do
+		start=$(date +%s.%N)
+		result=$(curl --connect-timeout 5 --head -s -o /dev/null -w %{http_code} ${node})
+		if [ "$result" == "200" ];then
+			end=`date +%s.%N`
+			start_s=`echo $start | cut -d '.' -f 1`
+			start_ns=`echo $start | cut -d '.' -f 2`
+			end_s=`echo $end | cut -d '.' -f 1`
+			end_ns=`echo $end | cut -d '.' -f 2`
+			time_micro=$(( (10#$end_s-10#$start_s)*1000000 + (10#$end_ns/1000 - 10#$start_ns/1000) ))
+			time_ms=$(($time_micro/1000))
+			values[$i]=$time_ms;
+			urls[$time_ms]=$node
+			i=$(($i+1))
+			if [ $time_ms -lt 50 ];then
+				break;
+			fi
+		fi
+	done
+	j=5000
+	for n in ${values[@]};
+	do
+		if [ $j -gt $n ];then
+			j=$n
+		fi
+		if [ $j -lt 50 ];then
+			break;
+		fi
+	done
+	if [ $j = 5000 ];then
+		yumRepo='False';
+		T_HOST='False'
+	else
+		mv -f /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.Bak 
+		yumRepo=${urls[$j]}
+		my_tmp=$(echo $yumRepo|grep 'tencent')
+		if [ "$my_tmp" ];then
+			wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.cloud.tencent.com/repo/centos7_base.repo
+		elif [ $(echo $yumRepo|grep 'aliyun') ]; then
+			wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
+		elif [ $(echo $yumRepo|grep '163') ];then
+			wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo
+		elif [ $(echo $yumRepo|grep 'tsinghua') ];then
+			wget -O /etc/yum.repos.d/CentOS-Base.repo http://download.bt.cn/mirrors/repo/Centos7-Base-thu.repo
+		fi
+		yum makecache
+	fi
+}
+centos_version=$(cat /etc/redhat-release | grep ' 7.' | grep -i centos)
+if [ "${centos_version}" ];then
+	get_Yum_Repo
+fi