Just finish reading the courseware. In order to study normally, you must use IE9.0 or above or 360 browser speed mode. Click the courseware to jump to the video playing interface to see if there is a prompt to load the plug-in. If there is, you need to download and install the video plug-in. The study time has not reached more than 50% of the courseware time, so you can continue to watch the courseware. Each course has corresponding credits, and you will get corresponding credits after you finish your study.