I can not upload file to local server with this demo

[lijian860428]

NSString *accessKey = @"admin";
NSString *secretKey = @"admin123456";

    //[NSURL URLWithString:[NSString stringWithFormat:@"http://%@:9000", [SPUserInstance sharedInstance].userPrivateIp]]
    AWSStaticCredentialsProvider *credentialsProvider = [[AWSStaticCredentialsProvider alloc] initWithAccessKey:accessKey secretKey:secretKey];
    AWSServiceConfiguration *configuration = [[AWSServiceConfiguration alloc] initWithRegion:AWSRegionUSEast1
                                                                              endpoint:[[AWSEndpoint alloc] initWithRegion:AWSRegionUSEast1 service:AWSServiceS3 URL:[NSURL URLWithString:[NSString stringWithFormat:@"http://%@:9000", [SPUserInstance sharedInstance].userPrivateIp]]] credentialsProvider:credentialsProvider];
    [AWSS3 registerS3WithConfiguration:configuration forKey:@"test"];
    _awss3Client = [AWSS3 S3ForKey:@"test"];

unsigned long long fileSize = [[[NSFileManager defaultManager] attributesOfItemAtPath:fileUrlString error:nil] fileSize];

AWSS3PutObjectRequest *request = [[AWSS3PutObjectRequest alloc] init];
request.bucket = kBucketName;
request.key = objectKey;
request.body = [NSURL fileURLWithPath:fileUrlString];

request.contentLength = @(fileSize);

request.uploadProgress = ^(int64_t bytesSent, int64_t totalBytesSent, int64_t totalBytesExpectedToSend) {
    NSLog(@"11111111111 sent = %lld, totalsent = %lld, expecteTotalSent = %lld", bytesSent, totalBytesSent, totalBytesExpectedToSend);

    progressBlock(bytesSent, totalBytesSent, totalBytesExpectedToSend);
};

[[self.awss3Client putObject:request] continueWithBlock:^id _Nullable(AWSTask<AWSS3PutObjectOutput *> * _Nonnull task) {
    if (task.error) {
        failedBlock([NSString stringWithFormat:@"%ld", task.error.code], task.error.localizedDescription);
    } else {
        successBlock(objectKey);
    }

    return nil;
}];