{"rgv587_flag": "sm", "url": "https://bixi.alicdn.com/punish/punish:resource:template:heyiSpace:exxmvpkbee_26575299.html?uuid=fe34da1a06d33858e6c311eb14f4c747&action=deny&origin=http%3A%2F%2Fv.youku.com%2FwechatShare%2F%3Fbeta%26url%3Dhttp%253A%252F%252Fv.youku.com%252Fv_show%252Fid_XNTgzMzA2Nzgw.html%253Frefer%253Dpc-sns-1%26content%3DTopology%2BWithout%2BTears%2B-%2BVideo%2B1%2B-%2BPure%2BMathematics", "custom_code":"yk_web_anti_flow_limit_captcha_20171111"}