diff --git a/deploy_env/group_vars/all.yml b/deploy_env/group_vars/all.yml
index 597921c..df41fef 100644
--- a/deploy_env/group_vars/all.yml
+++ b/deploy_env/group_vars/all.yml
@@ -23,8 +23,8 @@ wannat_global:
         natgw_bind_port: 3544
         layer2_gateway_device: "eth0"
         location_compare_type: 0
-        country_location:  "Set_your_geographic_location"
-        province_location: "Set_your_geographic_location"
+        country_location:  "Set_your_geographic_location_here"
+        province_location: "Set_your_geographic_location_here"
         ctrl_device_ip_addr: "192.168.40.134"
 
     toroad:
@@ -53,8 +53,8 @@ wannat_global:
         
     rpm_files:
         natgw_rpm_file: "wannat_natgw-1.3.7.5af7bbb-2.el7.x86_64.rpm"    
-        wire_graft_rpm_file: "libwire_graft-1.3.3.e1fe8e4-2.el7.x86_64.rpm"
-        toroad_rpm_file: "toroad-1.2.3.693a647-2.el7.x86_64.rpm"
+        wire_graft_rpm_file: "libwire_graft-1.3.7.b5d9a8a-2.el7.x86_64.rpm"
+        toroad_rpm_file: "toroad-1.2.4.d25d72a-2.el7.x86_64.rpm"
         ppp_rpm_file: "ppp-2.4.5-34.el7_7.x86_64.rpm"
         pptpd_rpm_file: "pptpd-1.4.0-2.el7.x86_64.rpm"
         openvpn_rpm_file: "openvpn-2.4.11-1.el7.x86_64.rpm"
diff --git a/roles/libwire_graft/files/rpm/libwire_graft-1.3.3.e1fe8e4-2.el7.x86_64.rpm b/roles/libwire_graft/files/rpm/libwire_graft-1.3.3.e1fe8e4-2.el7.x86_64.rpm
deleted file mode 100644
index 4ea7a9c..0000000
Binary files a/roles/libwire_graft/files/rpm/libwire_graft-1.3.3.e1fe8e4-2.el7.x86_64.rpm and /dev/null differ
diff --git a/roles/libwire_graft/files/rpm/libwire_graft-1.3.7.b5d9a8a-2.el7.x86_64.rpm b/roles/libwire_graft/files/rpm/libwire_graft-1.3.7.b5d9a8a-2.el7.x86_64.rpm
new file mode 100644
index 0000000..f7285a7
Binary files /dev/null and b/roles/libwire_graft/files/rpm/libwire_graft-1.3.7.b5d9a8a-2.el7.x86_64.rpm differ
diff --git a/roles/natgw/templates/monit_natgw.j2 b/roles/natgw/templates/monit_natgw.j2
new file mode 100644
index 0000000..e15619d
--- /dev/null
+++ b/roles/natgw/templates/monit_natgw.j2
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+while [ 1 ]; do
+	count=`ls -l core.* |wc -l`
+        if [ $count -lt 3 ]
+        then
+#               echo "set unlimited"
+                ulimit -c unlimited
+        else
+                ulimit -c 0
+        fi
+        PROCESS_NUM=`ps -ef | grep "wannat_natgw" | grep -v "grep" | wc -l` 
+#       echo $PROCESS_NUM
+        if [ $PROCESS_NUM -lt 1 ]
+        then
+		./wannat_natgw &
+		sleep 1
+		ifconfig tun_natgw 192.168.1.254/24 up
+		ifconfig tun_natgw mtu 2000
+		ethtool -K tun_natgw gro off
+		ethtool -K tun_natgw gso off
+		ethtool -K tun_natgw tso off
+				
+		ip rule add from  {{wannat_global.common.vpn_client_ip_cidr}}  table 1001
+		ip route add default via 192.168.1.253 table 1001
+		echo program crashed, restart at `date +"%w %Y/%m/%d, %H:%M:%S"` >> RESTART.log
+        fi
+    sleep 30
+done
diff --git a/roles/toroad/files/rpm/toroad-1.2.3.693a647-2.el7.x86_64.rpm b/roles/toroad/files/rpm/toroad-1.2.3.693a647-2.el7.x86_64.rpm
deleted file mode 100644
index e11d7d5..0000000
Binary files a/roles/toroad/files/rpm/toroad-1.2.3.693a647-2.el7.x86_64.rpm and /dev/null differ
diff --git a/roles/toroad/files/rpm/toroad-1.2.4.d25d72a-2.el7.x86_64.rpm b/roles/toroad/files/rpm/toroad-1.2.4.d25d72a-2.el7.x86_64.rpm
new file mode 100644
index 0000000..5d7aa64
Binary files /dev/null and b/roles/toroad/files/rpm/toroad-1.2.4.d25d72a-2.el7.x86_64.rpm differ
diff --git a/roles/toroad/templates/toroad.conf.j2 b/roles/toroad/templates/toroad.conf.j2
index 35ed1af..0cc63a9 100644
--- a/roles/toroad/templates/toroad.conf.j2
+++ b/roles/toroad/templates/toroad.conf.j2
@@ -5,6 +5,9 @@ to_wangw_listen_port={{wannat_global.toroad.to_wangw_listen_port}}
 probe_pkt_timeout=1
 probe_retry_times=5
 
+[link_info]
+max_item_number=1000
+lru_timeout=60
 
 [runtime_log]
 log_level=30
diff --git a/wannat-install.yml b/wannat-install.yml
index 2e4e1fe..3c145d8 100644
--- a/wannat-install.yml
+++ b/wannat-install.yml
@@ -19,10 +19,11 @@
 - hosts: radius_client    
   roles:
     - radius_client
-
-- hosts: radius_server
-  roles:
-    - radius_server
+    
+#radius server installed by bifang 
+#- hosts: radius_server
+#  roles:
+#    - radius_server
 
 - hosts: pptpd
   roles: