人加一笔是什么字

{"rich_content":{"text":"","spans":null},"video":{"vid":"v038b0c30000bt8hfh2udqf6n6ug6bn0","duration":114.87,"width":854,"height":480,"file_size":12627557,"thumb":{"web_uri":"tos-cn-p-0000/d6e78d58a90746e8b72742d77419b837","width":640,"height":360,"image_type":null,"mimetype":null,"encrypt_web_uri":null,"secret_key":null,"encrypt_algorithm":null,"extra":null},"video_size":{"high":{"duration":114.87,"file_size":11343861,"w":854,"h":480},"normal":{"duration":114.87,"file_size":7509434,"w":640,"h":360},"ultra":{"duration":114.87,"file_size":11346622,"w":854,"h":480}},"is_encrypted":null,"sp":null,"md5":"bbc037998bfd0c01f49446181e1b841b","tos_key":null,"secret_key":null,"encrypt_algorithm":null,"extra":null}}