diff --git a/package/lean/luci-app-shadowsocksr-pro/Makefile b/package/lean/luci-app-shadowsocksr-pro/Makefile
index 9e52e0bf1..d7d807984 100644
--- a/package/lean/luci-app-shadowsocksr-pro/Makefile
+++ b/package/lean/luci-app-shadowsocksr-pro/Makefile
@@ -9,7 +9,7 @@ LUCI_TITLE:=LuCI support for Shadowsocksr
 LUCI_DEPENDS:=+iptables-mod-tproxy +kmod-ipt-tproxy +ip +ipset-lists +shadowsocksr-libev-alt +pdnsd-alt +coreutils +coreutils-base64 +coreutils-nohup +dnsmasq-full
 LUCI_PKGARCH:=all
 PKG_VERSION:=2.0
-PKG_RELEASE:=16
+PKG_RELEASE:=17
 
 include $(TOPDIR)/feeds/luci/luci.mk
 
diff --git a/package/lean/luci-app-shadowsocksr-pro/root/etc/init.d/ssrpro b/package/lean/luci-app-shadowsocksr-pro/root/etc/init.d/ssrpro
index 8d0691a4f..2db51a464 100755
--- a/package/lean/luci-app-shadowsocksr-pro/root/etc/init.d/ssrpro
+++ b/package/lean/luci-app-shadowsocksr-pro/root/etc/init.d/ssrpro
@@ -197,10 +197,17 @@ start_pdnsd()
 	[ -n "$safe_dns" ] && tcp_dns_list="$safe_dns,$tcp_dns_list"
 
 	#killall -9 pdnsd 2>/dev/null && sleep 1
-	kill -9 $(cat /var/run/pdnsd.pid) >/dev/null 2>&1 && mkdir -p /var/etc /var/pdnsd
+	kill -9 $(cat /var/run/pdnsd.pid) >/dev/null 2>&1 
+	
+	mkdir -p /var/etc /var/pdnsd
+	if ! test -f "/var/pdnsd/pdnsd.cache"; then
+    dd if=/dev/zero of="/var/pdnsd/pdnsd.cache" bs=1 count=4 2> /dev/null
+    chown -R nobody.nogroup /var/pdnsd
+  fi
+	
 	cat > /var/etc/pdnsd.conf <<EOF
 global {
-	perm_cache=off;
+	perm_cache=10240;
 	cache_dir="/var/pdnsd";
 	pid_file = /var/run/pdnsd.pid;
 	run_as="nobody";
diff --git a/target/linux/x86/Makefile b/target/linux/x86/Makefile
index 8a107e347..87bb5fbf6 100644
--- a/target/linux/x86/Makefile
+++ b/target/linux/x86/Makefile
@@ -20,7 +20,7 @@ KERNELNAME:=bzImage
 include $(INCLUDE_DIR)/target.mk
 
 DEFAULT_PACKAGES += partx-utils mkf2fs e2fsprogs wpad kmod-usb-hid kmod-usb-net-asix kmod-usb-net-asix-ax88179 \
-kmod-ath5k kmod-ath9k kmod-ath10k kmod-rt2800-usb kmod-e1000e kmod-igb kmod-igbvf kmod-ixgbe kmod-vmxnet3
+kmod-ath5k kmod-ath9k kmod-ath10k kmod-rt2800-usb kmod-e1000e kmod-igb kmod-igbvf kmod-ixgbe kmod-vmxnet3 htop lm-sensors
 
 $(eval $(call BuildTarget))