1.下载SDK
2.配置platform-tools环境变量
2.1 打开terminal
#open -e .bash_profile
vim /etc/profile
export PATH=${PATH}:platform-tools路径
#source ./.bash_profile
source /etc/profile
#open -e .bash_profile
vim /etc/profile
export PATH=${PATH}:platform-tools路径
#source ./.bash_profile
source /etc/profile