我正在尝试使用goamz/s3将文件字节上传到S3AWSGo(语言)中的包。运行以下代码时:var(awsAuthaws.Authregionaws.Regionconnections3.S3bucket*s3.Bucket)funcinit(){//SetuptheAWSS3Connectionconfig.awsAuth=aws.Auth{AccessKey:os.Getenv("ACCESS_KEY"),//changethistoyoursSecretKey:os.Getenv("SECRET_KEY"),}fmt.Println("AWS:",awsAuth)region:=