qiniu上图片文件打开时以文件下载方式响应？求解？

Question

上传一个图片后，发现打开时，会直接被下载，通过imageView取缩略图时，可以正常显示，但是显示的原尺寸。刷新的话返回206

Request URL:http://.u.qiniudn.com/uploads%2F2013%2F12%2F14%2F64667843b7e69dafcb23d0e5a4b914f6
Request Method:GET
Status Code:200 OK
Request Headersview source
Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,/;q=0.8
Accept-Encoding:gzip,deflate,sdch
Accept-Language:zh-CN,zh;q=0.8
Connection:keep-alive
Host:.u.qiniudn.com
User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.101 Safari/537.36

Response Headersview source
Accept-Ranges:bytes
Access-Control-Allow-Origin:*
Age:0
Cache-Control:max-age=86400
Connection:keep-alive
Content-Disposition:inline; filename="64667843b7e69dafcb23d0e5a4b914f6"
Content-Length:88620
Content-Transfer-Encoding:binary
Content-Type:application/octet-stream
Date:Wed, 18 Dec 2013 08:49:34 GMT
ETag:"FkLcugXgn7ISNgjZUURhERIOSj73"
Expires:Thu, 19 Dec 2013 08:49:34 GMT
Server:PWS/8.0.19
Vary:Accept-Encoding
X-Log:MC;IO:1
X-Px:ms h0-s17.p2-she ( tsn-ag1-n6), ms tsn-ag1-n6 ( origin)
X-Reqid:4iIAAD44-C104UAT
X-Whom:bj5