~~~[api] post:/v1/apps/focusApp *string:open_id# *app_id#要关注/取消关注的app_id *action#操作类别【0取消关注，1关注】 string:client_type=app#客户端类型，分为【app、pc】，默认app <<< success { "code": 0, "msg": "ok", "data": [] } <<< error ~~~