step1.use google chrome open url.
step2. open developer tools
step3.click Refresh button and click Network. now you can not found any one video stream?s Size was stable increase.
step4.input m3 in Filter. you can found m3u8 or m3u4, it?s file.just double click the file , in my picture was his_720_m3u8.
step5.copy the URL:
step6.open VLC player and click Open Network.downloadVLC
step7.input URL and check Stream output then click Settings?
step8.click Browse to setting file name with .mp4, finally click OK to go back VLC player.
step9.you can see the time scroll bar was running. now just waiting download whole file.