小米路由R3G openwrt-ramips-mt7621-xiaomi_mir3g-squashfs-sysupgrade.binopenwrt-ramips-mt7621-xiaomi_mir3g-initramfs-kernel.binsha256sums 路由固件插件包文件校验 百度网盘 1.2 GB z**mm 2020-03-08 23:13