diff --git a/chntunnel/chntunnel.sh b/chntunnel/chntunnel.sh
index 2c835b5..68804a8 100644
--- a/chntunnel/chntunnel.sh
+++ b/chntunnel/chntunnel.sh
@@ -42,7 +42,7 @@ Usage: chntunnel [OPTION...]
 	options:
 	-c, --collect         genrate route files from apnic.
 	-g, --gre-tunnel      create a gre tunnel.
-	-w, --white-list      whitelist mode.[TODO]
+	-w, --white-list      whitelist mode, only manually.[TODO]
 	-f, --gfw-list        gfwlist mode.
 EOF
 }
@@ -168,10 +168,13 @@ if [ $# != 0 ]; then
 			newGre $MY_INNER_IPADDR $PEER_INNER_IPADDR $PEER_OUTER_IPADDR ${TUNNEL_NAME:-tun0}
 			ifup ${TUNNEL_NAME:-tun0}
 			ping -c 3 $PEER_INNER_IPADDR >/dev/null && result=$? && [[ $result -eq 0 ]] && msg_pass "Tunnel created successfully!" && exit 0
+			msg_err "Connection failed, please contact the administrator." && exit 1
 		elif [[ $param = '-f' || $param = '--gfw-list' ]]; then
 			peer=$(ip addr | grep peer | grep inet | awk -F ' ' {'print $4'})
 			PEER_INNER_IPADDR=${peer%%/*}
 			:>/etc/sysconfig/static-routes
+			[[ ! -f $GFWLIST ]] && msg_err "Please run 'chntunnel -c' command first." && exit 1
+			msg "Generating, wait a while..."
 			cat $GFWLIST | while read line
 				do
 					ip route add $line via $PEER_INNER_IPADDR
@@ -179,7 +182,7 @@ if [ $# != 0 ]; then
 				done
 			msg_pass "GFWlist is active, enjoy~"
 		elif [[ $param = '-w' || $param = '--white-list' ]]; then
-			msg_err "TODO: not yet implemented, only manually." && exit 1
+			#msg_err "TODO: not yet implemented, only manually." && exit 1
 			local_gw=$(ip route | grep default | awk -F ' ' {'print $3'})
 			#local_dev=$(ip route | grep src | awk -F ' ' {'print $3'})
 			#local_addr=$(ip route | grep src | awk -F ' ' {'print $9'})
@@ -189,15 +192,17 @@ if [ $# != 0 ]; then
 			:>/etc/sysconfig/static-routes
 			grep $local_table /etc/iproute2/rt_tables && result=$?
 			[[ $result != '0' ]] && echo "200 $local_table" >>/etc/iproute2/rt_tables
-			grep $local_table /etc/rc.local && result=$?
-			[[ $result != '0' ]] && addRoutes $local_table $local_gw $local_dev $local_addr && chmod +x /etc/rc.local && /etc/rc.local && 
+			#grep $local_table /etc/rc.local && result=$?
+			#[[ $result != '0' ]] && addRoutes $local_table $local_gw $local_dev $local_addr && chmod +x /etc/rc.local && /etc/rc.local
+			msg "Generating, wait a while..."
 			cat $WHITELIST | while read line
 				do
-					ip route add $line via $local_gw
+					#ip route add $line via $local_gw
 					echo "any net $line gw $local_gw" >>/etc/sysconfig/static-routes || exit
 				done
 			#ip route del default via $local_gw
 			#ip route add default via $PEER_INNER_IPADDR
+			msg_pass "Whitelist is active, enjoy~"
 		else
 			help
 		fi