我尝试使用邮递员通过输入正确的访问keyId和Secret Key向lex发送请求,得到如下响应:
<InvalidSignatureException>
<Message>The request signature we calculated does not match the signature
you provided. Check your AWS Secret Access Key and signing method.
Consult the service documentation for details.</Message>
</InvalidSignatureException>
邮递员请求: