diff --git a/update.sh b/update.sh
new file mode 100644
index 0000000..d2adbc7
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+#copyright by monlor
+source /etc/mixbox/bin/base
+
+logsh "【Tools】" "正在更新工具箱程序... "
+rm -rf ${mbtmp}/mixbox.tar.gz
+rm -rf ${mbtmp}/mixbox
+wgetsh "${mbtmp}/mixbox.tar.gz" "$mburl/appstore/mixbox_${model}.tar.gz" > /dev/null 2>&1
+[ $? -ne 0 ] && logsh "【Tools】" "工具箱文件下载失败！"  && exit
+
+logsh "【Tools】" "解压工具箱文件"
+tar -zxvf ${mbtmp}/mixbox.tar.gz -C ${mbtmp} > /dev/null 2>&1
+[ $? -ne 0 ] && logsh "【Tools】" "文件解压失败！" && exit
+
+logsh "【Tools】" "初始化uci配置信息..."
+echo >> ${mbtmp}/mixbox/config/mixbox.uci # 防止最后一行读取不到
+source ${mbtmp}/mixbox/config/mixbox.uci
+cat ${mbtmp}/mixbox/config/mixbox.uci | while read line; do
+    [ -z "$line" ] && continue
+    ucikey="$(echo $line | cut -d'=' -f1)"
+    ucivalue="$(echo $line | cut -d'=' -f2 | sed -e 's/\"//g')"
+    mbdb set mixbox.main."$ucikey"="$ucivalue"
+done
+rm -rf ${mbtmp}/mixbox/scripts/userscript.sh
+cp -rf ${mbtmp}/mixbox/* ${mbroot}/
+
+logsh "【Tools】" "赋予可执行权限"
+chmod -R +x ${mbroot}/bin
+chmod -R +x ${mbroot}/scripts
+
+logsh "【Tools】" "强制更新软件源"
+${mbroot}/bin/mbdb set mixbox.main.url=https://monlor.coding.net/p/mbfiles/d/mbfiles/git/lfs/master
+
+# 清理工作
+logsh "【Tools】" "一点点清理工作..."
+rm -rf ${mbroot}/bin/base64*
+
+if [ -z "$(mbdb get mixbox.main.model)" ]; then
+	model=$(uname -ms | tr ' ' '_' | tr '[A-Z]' '[a-z]')
+	[ -n "$(echo $model | grep -E "linux.*arm.*")" ] && model="linux_arm"
+	[ -n "$(echo $model | grep -E "linux.*mips.*")" ] && model="linux_mips"
+	mbdb set mixbox.main.model="$model"
+fi
+
+logsh "【Tools】" "工具箱更新完成！"
+if [ -n "${newinfo}" ]; then
+	echo -e "-----------------------------------------"
+	echo -e "${newinfo}"
+	echo -e "-----------------------------------------"
+fi
+
+#删除临时文件
+rm -rf ${mbtmp}/mixbox.tar.gz
+rm -rf ${mbtmp}/mixbox
\ No newline at end of file