find 3-mmb -type f -name '*:Zone.Identifier' -delete
cd openwrt
rm -r files
cp -rv ../3-mmb/files .
make
cp bin/targets/ramips/mt7621/openwrt-ramips-mt7621-geva_BatteryPoE-at3-bt-squashfs-sysupgrade.bin  ../MMB/BatteryPoE_at3_bt.bin
cd ..