"ext":"{
"token":"",  //阿里32位token
"open_token":"",   //阿里280位token
"thread_limit":32,  //線程數
"vod_flags":"4k|4kz|auto",   //阿里画质线路排序
"quark_flags":"4k|4kz|auto",   //夸克画质线路排序
"aliproxy":"", 
"proxy":"",
"open_api_url":"",    //自定义阿里open Api地址  https://api.xhofe.top/alist/ali_open/
"quark_cookie":""   //网页版夸克账户cookie  https://pan.quarn.cn
}"