Unhandled rejection SuperagentPromiseError: cannot POST http://upload.qiniu.com (400)

[94007boy]

请教一下各位，上传图片，这个错误如何解决？
Unhandled rejection SuperagentPromiseError: cannot POST http://upload.qiniu.com (400)
at eval (eval at 1900 (http://localhost:8000/6.async.js:55:2), :68:19)
at Request.callback (eval at 1938 (http://localhost:8000/6.async.js:321:2), :804:3)
at Request.eval (eval at 1938 (http://localhost:8000/6.async.js:321:2), :527:10)
at Request.Emitter.emit (eval at 1939 (http://localhost:8000/6.async.js:328:2), :133:20)
at XMLHttpRequest.xhr.onreadystatechange (eval at 1938 (http://localhost:8000/6.async.js:321:2), :886:10)