diff --git a/ap/app/Script/scripts/lan.sh b/ap/app/Script/scripts/lan.sh
index 407c47b..a1c74d1 100755
--- a/ap/app/Script/scripts/lan.sh
+++ b/ap/app/Script/scripts/lan.sh
@@ -120,9 +120,9 @@
         echo 1 > /sys/module/fast_common/parameters/lan_dos_enable
     fi
 
+	dhcps_in_cap=`nv get dhcps_in_cap`
 
-
-
+	if [ "x$dhcps_in_cap" != "x1" ]; then
     echo "" > $path_conf/udhcpd.leases
 
     . $path_sh/user-config-udhcpd.sh
@@ -132,7 +132,7 @@
         echo "Info: config-udhcpd.sh lan -r 1 start" >> $test_log
         . $path_sh/config-udhcpd.sh "lan" -r 1
     fi
-
+	fi
     dnsmasq -i $lan_if -r $path_conf/resolv.conf &
     . $path_sh/upnp.sh