使用GMAIL自动转发创建时权限不足

String[] googleSCOPES = {GmailScopes.GMAIL_LABELS, GmailScopes.GMAIL_READONLY, GmailScopes.MAIL_GOOGLE_COM};

            GoogleAccountCredential googleAccountCredential = GoogleAccountCredential.usingOAuth2(
                    context, Arrays.asList(googleSCOPES))
                    .setBackOff(new ExponentialBackOff());
            googleAccountCredential.setSelectedAccountName(appSettings.retrieve(Params.GMAIL_ACCOUNT_NAME));
            com.google.api.services.gmail.Gmail mService = new com.google.api.services.gmail.Gmail.Builder(
                    AndroidHttp.newCompatibleTransport(), JacksonFactory.getDefaultInstance(), googleAccountCredential)
                    .setApplicationName("StaffConnect")
                    .build();
            ForwardingAddress address = new ForwardingAddress()
                    .setForwardingEmail(emailAddress);
            ForwardingAddress createAddressResult = null;
            try {
                createAddressResult = mService.users().settings().forwardingAddresses()
                        .create("me", address).execute();
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (createAddressResult.getVerificationStatus().equals("accepted")) {
                    AutoForwarding autoForwarding = new AutoForwarding()
                            .setEnabled(true)
                            .setEmailAddress(address.getForwardingEmail())
                            .setDisposition("trash");
                    try {
                        autoForwarding = mService.users().settings().updateAutoForwarding("me", autoForwarding).execute();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
}

错误:

    com.google.api.client.googleapis.json.GoogleJsonResponseException: 403 Forbidden
{
  "code" : 403,
  "errors" : [ {
    "domain" : "global",
    "message" : "Insufficient Permission",
    "reason" : "insufficientPermissions"
  } ],
  "message" : "Insufficient Permission"
}