First of all, we will need more info regarding what you were doing on the RPi3 when this happened and second of all, please try using Google Translate to translate from Chinese to English, so that everyone on the forum understands what you write, please
To get a better understanding of the problem you are experiencing we need more information, including logs from you. Please see http://osmc.tv/wiki/general/how-to-submit-a-useful-support-request/ for advice on how to help us help you.
Provide logs by login to the Pi via SSH and then execute
We need the URL that the command returns.
Pi3 on you