安装libimobiledevice ：
Could not connect to lockdownd. Exiting. 报错解决
brew uninstall --ignore-dependencies libimobiledevice
brew install --HEAD libimobiledevice
brew link --overwrite libimobiledevice
brew install ideviceinstaller
brew link --overwrite ideviceinstaller
sudo chmod -R 777 /var/db/lockdown
解决：
Requested 'libusbmuxd >= 1.1.0' but version of libusbmuxd is 1.0.10
brew update
brew uninstall --ignore-dependencies libimobiledevice
brew uninstall --ignore-dependencies usbmuxd
brew install --HEAD usbmuxd
brew unlink usbmuxd
brew link usbmuxd
brew install --HEAD libimobiledevice