diff --git a/install/install_panel.sh b/install/install_panel.sh
index f26335d..b3d0579 100644
--- a/install/install_panel.sh
+++ b/install/install_panel.sh
@@ -241,7 +241,7 @@ Install_RPM_Pack(){
 		ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
 
 		#尝试同步国际时间(从ntp服务器)
-		ntpdate 0.asia.pool.ntp.org
+		ntpdate ntp.aliyun.com
 		setenforce 0
 	fi
 
@@ -268,6 +268,14 @@ Install_RPM_Pack(){
 	if [ -z "${ALI_OS}" ];then
 		yum install epel-release -y
 	fi
+
+	# 修改epel安装源
+	sed -e 's!^metalink=!#metalink=!g' \
+    -e 's!^#baseurl=!baseurl=!g' \
+    -e 's!download\.fedoraproject\.org/pub/epel!mirrors.xinac.net/epel!g' \
+    -e 's!download\.example/pub/epel!mirrors.xinac.net/epel!g' \
+    -i.bak \
+    /etc/yum.repos.d/epel*.repo
 }
 Install_Deb_Pack(){
 	ln -sf bash /bin/sh