oss生成的url进行上传报403

大神们，这个问题的解决答案是啥呀？紧急，谢谢各位了

OSS\Http\ResponseCore Object ( [header] => Array ( [server] => AliyunOSS [date] => Tue, 17 Jan 2017 08:11:34 GMT [content-type] => application/xml [content-length] => 331 [connection] => keep-alive [x-oss-request-id] => 587DD1B6B5F58B05958F9B7A [x-oss-server-time] => 17 [info] => Array ( [url] => //eh-test2.oss-cn-shanghai.aliyuncs.com/image/587d1d1488191.png?OSSAccessKeyId=LTAI7esWmigKcntJ&Expires=1484598052&Signature=XRtuFsoATkSIs6ASg%2Fbfu5RA4%2Bc%3D [content_type] => application/xml [http_code] => 403 [header_size] => 250 [request_size] => 477 [filetime] => -1 [ssl_verify_result] => 0 [redirect_count] => 0 [total_time] => 6.293419 [namelookup_time] => 6.188973 [connect_time] => 6.23475 [pretransfer_time] => 6.234842 [size_upload] => 5347 [size_download] => 331 [speed_download] => 52 [speed_upload] => 849 [download_content_length] => 331 [upload_content_length] => 5347 [starttransfer_time] => 6.279208 [redirect_time] => 0 [redirect_url] => [primary_ip] => 139.196.67.70 [certinfo] => Array ( ) [primary_port] => 80 [local_ip] => 192.168.0.102 [local_port] => 37654 [method] => PUT ) ) [body] => AccessDenied Request has expired. 587DD1B6B5F58B05958F9B7A eh-test2.oss-cn-shanghai.aliyuncs.com 2017-01-16T20:20:52.000Z 2017-01-17T08:11:34.000Z [status] => 403 )