新人求助！！关于OSS

04-27 18:06:50.245: I/System.out(30510): Thread-2970 calls detatch()
04-27 18:06:50.245: W/System.err(30510): OSSException type: OSS_EXCEPTION
04-27 18:06:50.245: W/System.err(30510): statusCode: 400
04-27 18:06:50.245: W/System.err(30510): objectKey: timeline
04-27 18:06:50.255: W/System.err(30510): requestId: 553E0A39957EEB74608B895D
04-27 18:06:50.255: W/System.err(30510): responseCode: InvalidArgument
04-27 18:06:50.255: W/System.err(30510): responseMessage: Authorization header is invalid.
04-27 18:06:50.255: W/System.err(30510):  at com.alibaba.sdk.android.oss.util.OSSToolKit.buildOssException(OSSToolKit.java:495)
04-27 18:06:50.255: W/System.err(30510):  at com.alibaba.sdk.android.oss.util.OSSToolKit.handleExceptionalResponse(OSSToolKit.java:531)
04-27 18:06:50.255: W/System.err(30510):  at com.alibaba.sdk.android.oss.storage.BaseObject.syncRequest(BaseObject.java:203)
04-27 18:06:50.255: W/System.err(30510):  at com.alibaba.sdk.android.oss.storage.OSSFile.syncUpload(OSSFile.java:95)
04-27 18:06:50.265: W/System.err(30510):  at com.alibaba.sdk.android.oss.storage.OSSFile.upload(OSSFile.java:149)
04-27 18:06:50.265: W/System.err(30510):  at com.dreamgunzer.osstest.MainActivity$2.run(MainActivity.java:110)
04-27 18:06:50.265: W/System.err(30510):  at java.lang.Thread.run(Thread.java:841)

这是文件异同步上传遇到的问题，这是啥意思呀。