{"domain":"oh1222.com","qquuid":"8cb7709b-7132-4389-82fe-a7149b0d3eee","property_name":"course_section","property_idx":"22","video_uid":"4430b367-ee75-4350-8a14-cd54adf51ccc","video_url":"https:\/\/vz-45c08c65-ad1.b-cdn.net\/4430b367-ee75-4350-8a14-cd54adf51ccc\/playlist.m3u8","host_name":"vz-45c08c65-ad1.b-cdn.net"}