OSS C版SDK上传问题。

这边出现一个奇怪的问题  上传文件的时候 curl库一直操作超时日志如下。导致文件上传失败。


Thu, 28 Jan 2016 07:58:02 GMT/telvoice/os/2016/01/28/1453965739_13525508348_0128.mp3.
[2016-01-28 15:57:56.078] 2360 .\aos_transport.c:82 url:http://telvoice.oss-cn-hangzhou.aliyuncs.com:80/os/2016/01/28/1453965739_13525508348_0128.mp3.[2016-01-28 15:57:56.265] 2304 .\aos_http_io.c:187 file read finish.
[2016-01-28 15:57:58.187] 2360 .\aos_http_io.c:187 file read finish.[2016-01-28 15:58:11.296] 2132 .\aos_transport.c:421 transport failure curl code:28 error:a timeout was reached
[2016-01-28 15:58:11.296] 2132 .\aos_transport.c:194 has error -992.[2016-01-28 15:58:11.296] 2132 .\aos_transport.c:93 close request body file.
[2016-01-28 15:58:13.312] 2132 .\oss_auth.c:235 signstr:PUT但是这边网络是没有问题的  能够正常的ping 通上面的地址。 28  错误 CURLE_OPERATION_TIMEOUTED操作超时。 求解？？？