error: device unauthorized. This adb server‘s $ADB_VENDOR_KEYS is not set Try ‘adb kill-server‘

报错：

error: device unauthorized.
This adb server's $ADB_VENDOR_KEYS is not set
Try 'adb kill-server' if that seems wrong.
Otherwise check for a confirmation dialog on your device.

解决办法：

拔掉数据线，重新连接；