基于七牛 用python实现分片上传 创建文件报错701

Question

创建文件时出错： 701 Unknown {"error":"block 0: yonginvalid context"} 抓包结果： POST /mkfile/95542/yihu.jpg HTTP/1.1 Accept-Encoding: identity Host: upload.qiniu.com Content-type: text/plain Content-Length: 392 Authorization: UpToken 0th91twqvQT3Qv1qddQ3RtQxIG1dc7Nh4YGNZIhV:KsPXAUO0Q5ZLKuG12gSKTNz-B2c=:eyJzY29wZSI6ImpkZmlsZSIsImRlYWRsaW5lIjoxNDUxNDkxMjAwfQ== ctxlist=%5B%27qiAZl45QWVaFgVj4mDqySgHTZXdV1U7bE6muNG8o4ORgoan3YBx7DkVZI7-QJUZCJTlFJTNFJTA3JUY4JTgzJUZFLSU4RiVDNCUwMSVERiVGRS0lM0YlRkMlMjElREYlRjYlMjMlRDclQThoJQAAAAAAyAAAAAAAAADIAAAAyAAAZXc0QUFKSmdSMVZQbmlnQQ%3D%3D%27%2C+%27TJ9HJLMMcPLIEJEjQwLBvAHrPHFu1U7bE7KGACsvCpVkrqqNqDirDWtlznClMyVGNSVDRCUxRlUlN0QlREYlRTElRkVnQSVEMEM3JUY5JUZGJTAwJTNGJUU3JUVCJTlBJTNDJUUxJUVEJUY5JQAAAAAAyAAAAAAAAADIAAAAyAAAN2d3QUFHZGdSMVhSemlnQQ%3D%3D%27%5D 求大神解答，自己写的SDK，因为毕业设计要求。

Answer 1

已解决，就是多了“ctxlist=”