问题1 ERROR: Invalid requirement: '\xe2\x80\x93upgrade'
在安装 frida时，运行命令
sudo pip install frida –upgrade –ignore-installed six
结果报错，如图
可以修改命令为：
sudo pip install frida --upgrade --ignore-installed six
问题2 ERROR: Could not open requirements file: [Errno 2] No such file or directory: 'requirements.txt'
在运行命令
sudo pip install -r requirements.txt --upgrade
时，报错 ERROR: Could not open requirements file: [Errno 2] No such file or directory: 'requirements.txt' 如图
需要在cd 到 dump 的目录下，然后在执行命令
