您收到此消息是因为您的请求未签名.从2009年8月开始，必须签署所有请求.

You receive this message because your request is not signed. Starting from August 2009 all requests must be signed.

在这里您可以看到有关如何签署亚马逊请求的示例: http://developer.amazonwebservices.com/connect/entry. jspa?externalID = 2480& categoryID = 14

Here you can see at the example about how to sign amazon requests: http://developer.amazonwebservices.com/connect/entry.jspa?externalID=2480&categoryID=14