diff --git a/install/public.sh b/install/public.sh
index 4332558..1230038 100644
--- a/install/public.sh
+++ b/install/public.sh
@@ -14,11 +14,6 @@ _BT_REPO_URL=$_REPO_URL'/github/btpanel-v7.7.0/raw/branch/main'
 
 get_node_url(){
 	nodes=(https://dg2.bt.cn https://download.bt.cn https://ctcc1-node.bt.cn https://cmcc1-node.bt.cn https://ctcc2-node.bt.cn);
-
-	if [ "$1" ];then
-		nodes=($(echo ${nodes[*]}|sed "s#${1}##"))
-	fi
-
 	tmp_file1=/dev/shm/net_test1.pl
 	tmp_file2=/dev/shm/net_test2.pl
 	[ -f "${tmp_file1}" ] && rm -f ${tmp_file1}
@@ -47,7 +42,7 @@ get_node_url(){
 				if [ $RES -ge 3000 ];then
 					break;
 				fi
-			fi	
+			fi
 		fi
 	done
 
@@ -84,7 +79,7 @@ GetPackManager(){
 	if [ -f "/usr/bin/yum" ] && [ -f "/etc/yum.conf" ]; then
 		PM="yum"
 	elif [ -f "/usr/bin/apt-get" ] && [ -f "/usr/bin/dpkg" ]; then
-		PM="apt-get"		
+		PM="apt-get"
 	fi
 }
 
@@ -96,7 +91,7 @@ bt_check(){
 			send_check
 		fi
 	fi
-	
+
 	p_path=/www/server/panel/BTPanel/templates/default/index.html
 	if [ -f $p_path ];then
 		is_ext=$(cat $p_path|grep fbi)
@@ -115,6 +110,19 @@ send_check(){
 	NODE_URL=""
 	exit 0;
 }
+init_check(){
+	CRACK_URL=(oss.yuewux.com);
+	for url in ${CRACK_URL[@]};
+	do
+		CRACK_INIT=$(cat /etc/init.d/bt |grep ${url})
+		if [ "${CRACK_INIT}" ];then
+			rm -rf /www/server/panel/class/*
+			chattr +i /www/server/panel/class
+			chattr -R +i /www/server/panel
+			chattr +i /www
+		fi
+	done
+}
 GetSysInfo(){
 	if [ "${PM}" = "yum" ]; then
 		SYS_VERSION=$(cat /etc/redhat-release)
@@ -160,6 +168,4 @@ if [ ! $NODE_URL ];then
 	fi
 	get_node_url
 	bt_check
-fi
-
-
+fi
\ No newline at end of file
diff --git a/install/yumRepo_select.sh b/install/yumRepo_select.sh
index 1fde62b..2ae0d8b 100644
--- a/install/yumRepo_select.sh
+++ b/install/yumRepo_select.sh
@@ -4,7 +4,7 @@ export PATH
 get_Yum_Repo(){
 	nodes=(http://mirrors.cloud.tencent.com/repo/centos7_base.repo http://mirrors.aliyun.com/repo/Centos-7.repo)
 	i=1
-	for node in ${nodes[@]}; 
+	for node in ${nodes[@]};
 	do
 		start=$(date +%s.%N)
 		result=$(curl --connect-timeout 15 --head -s -o /dev/null -w %{http_code} ${node})
@@ -38,7 +38,7 @@ get_Yum_Repo(){
 		yumRepo='False';
 		T_HOST='False'
 	else
-		mv -f /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.Bak 
+		mv -f /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.Bak
 		yumRepo=${urls[$j]}
 		my_tmp=$(echo $yumRepo|grep 'tencent')
 		if [ "$my_tmp" ];then