求助OSS图片上传403错误

|-----------------------Start--------------------------------------------------------------------------------------------------- |-Status:403 |-Body: AccessDenied The bucket you are attempting to access must be addressed using the specified endpoint. Please send all future requests to this endpoint. rtxtest oss-cn-beijing-a.aliyuncs.com 546C799A44B9BF801D6B2D2C oss.aliyuncs.com |-Header: Array ( [date] => Wed, 19 Nov 2014 11:06:02 GMT [content-type] => application/xml [content-length] => 409 [connection] => close [server] => AliyunOSS [x-oss-request-id] => 546C799A44B9BF801D6B2D2C [_info] => Array ( [url] => [content_type] => application/xml [http_code] => 403 [header_size] => 222 [request_size] => 365 [filetime] => -1 [ssl_verify_result] => 0 [redirect_count] => 0 [total_time] => 0.058768 [namelookup_time] => 0.00138 [connect_time] => 0.02527 [pretransfer_time] => 0.025271 [size_upload] => 16384 [size_download] => 409 [speed_download] => 6959 [speed_upload] => 278791 [download_content_length] => 409 [upload_content_length] => 27572 [starttransfer_time] => 0.04968 [redirect_time] => 0 [method] => PUT ) [x-oss-request-url] => [x-oss-redirects] => 0 [x-oss-stringtosign] => PUT image/jpeg Wed, 19 Nov 2014 11:06:02 GMT /rtxtest/tiaoguo.jpg [x-oss-requestheaders] => Array ( [Content-Type] => image/jpeg [Date] => Wed, 19 Nov 2014 11:06:02 GMT [Host] => oss.aliyuncs.com [Authorization] => OSS 9vTu0N3fRF5N3k21:ImNPrQb4XWAkJG5afUTmebUTxZQ= ) ) -----------------------End-----------------------------------------------------------------------------------------------------



demo里的图片上传报403错误，求解决方案