diff --git a/include/target.mk b/include/target.mk
index 60e789b7b..0f9c25cad 100644
--- a/include/target.mk
+++ b/include/target.mk
@@ -17,7 +17,7 @@ DEFAULT_PACKAGES:=base-files libc libgcc busybox dropbear mtd uci opkg netifd fs
 iptables-mod-nat-extra kmod-nf-nathelper kmod-nf-nathelper-extra kmod-ipt-raw kmod-macvlan kmod-nft-offload \
 default-settings luci luci-app-ddns luci-app-sqm luci-app-upnp luci-app-adbyby-plus luci-app-autoreboot \
 luci-app-filetransfer luci-app-ssr-plus luci-app-usb-printer luci-app-vsftpd ddns-scripts_aliyun luci-app-xlnetacc \
-luci-app-pptp-server luci-app-ipsec-vpnd luci-app-vlmcsd luci-app-wifischedule luci-app-wol  \
+luci-app-pptp-server luci-app-ipsec-vpnd luci-app-vlmcsd luci-app-wifischedule luci-app-wol luci-app-ramfree \
 luci-app-sfe luci-app-flowoffload luci-app-nlbwmon luci-app-wrtbwmon
 # For nas targets
 DEFAULT_PACKAGES.nas:=block-mount fdisk lsblk mdadm automount autosamba
diff --git a/package/lean/luci-app-ramfree/Makefile b/package/lean/luci-app-ramfree/Makefile
new file mode 100644
index 000000000..cddacda36
--- /dev/null
+++ b/package/lean/luci-app-ramfree/Makefile
@@ -0,0 +1,17 @@
+# Copyright (C) 2016 Openwrt.org
+#
+# This is free software, licensed under the Apache License, Version 2.0 .
+#
+
+include $(TOPDIR)/rules.mk
+
+LUCI_TITLE:=luci-app-ramfree
+LUCI_PKGARCH:=all
+PKG_VERSION:=1.0
+PKG_RELEASE:=1
+
+include $(TOPDIR)/feeds/luci/luci.mk
+
+# call BuildPackage - OpenWrt buildroot signature
+
+
diff --git a/package/lean/luci-app-ramfree/luasrc/controller/release_ram.lua b/package/lean/luci-app-ramfree/luasrc/controller/release_ram.lua
new file mode 100644
index 000000000..17e95ce40
--- /dev/null
+++ b/package/lean/luci-app-ramfree/luasrc/controller/release_ram.lua
@@ -0,0 +1,9 @@
+module("luci.controller.release_ram",package.seeall)
+
+function index()
+	entry({"admin","status","release_ram"}, call("release_ram"), _("Release Ram"), 9999)
+end
+function release_ram()
+	luci.sys.call("sync && echo 3 > /proc/sys/vm/drop_caches")
+	luci.http.redirect(luci.dispatcher.build_url("admin/status"))
+end
diff --git a/package/lean/luci-app-ramfree/po/zh-cn/release_ram.po b/package/lean/luci-app-ramfree/po/zh-cn/release_ram.po
new file mode 100644
index 000000000..cff6f0289
--- /dev/null
+++ b/package/lean/luci-app-ramfree/po/zh-cn/release_ram.po
@@ -0,0 +1,2 @@
+msgid "Release Ram"
+msgstr "释放内存"