校验MD5没问题,
更新SDK报警告:
Fetching project external/LocalPlayer
Fetching project prebuilts/gcc/linux-x86/arm/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf
Fetching project u-boot
Fetching project external/chromium
Fetching project device/rockchip
info: A new version of repo is available
warning: project 'repo' branch 'stable' is not signed
warning: Skipped upgrade to unverified version