大文件分片上传 ResumeUploader unexpected file size

[ijunbin]

sdk 版本："qiniu": "^7.3.1"

上传文件大小：84MB

当前结果：
body:{"error":"unexpected file size"},info:{"status":400,"statusCode":400,"statusMessage":"Bad Request","headers":{"server":"openresty/1.13.6.2","date":"Wed, 03 Jun 2020 22:46:36 GMT","content-type":"application/json","content-length":"32","connection":"keep-alive","access-control-allow-headers":"X-File-Name, X-File-Type, X-File-Size","access-control-allow-methods":"OPTIONS, HEAD, POST","access-control-allow-origin":"*","access-control-expose-headers":"X-Log, X-Reqid","access-control-max-age":"2592000","cache-control":"no-store, no-cache, must-revalidate","pragma":"no-cache","x-content-type-options":"nosniff","x-reqid":"OmsAAAAWd14oKhUW","x-svr":"UP","x-log":"X-Log"},"size":32,"aborted":false,"rt":82,"keepAliveSocket":false,"data":{"error":"unexpected file size"},"requestUrls":["http://up.qiniup.com/mkfile/89128279/key/dGdsL3ZpZGVvLzEzNjE4MDQubXA0/mimeType/dmlkZW8vbXA0/fname/MTM2MTgwNC5tcDQ="],"timing":null,"remoteAddress":"115.238.101.51","remotePort":80,"socketHandledRequests":1,"socketHandledResponses":1}

期望结果：上传成功

其他相关日志：
通过打印 上传文件时progressCallback 回调信息中可以得知：
data大小会比实际文件大小要大，不知道是什么原因导致的。
报错unexpected file size 的好像都会有这个问题