Smack添加用户返回500的错误

public boolean registerAccount(String name, String password, Map<String, String> attr) {


        try {
           // getConnection();
            new Thread(new Runnable() {
                @Override
                public void run() {
                    try {
                        connection.connect();
                    } catch (SmackException e) {
                        e.printStackTrace();
                    } catch (IOException e) {
                        e.printStackTrace();
                    } catch (XMPPException e) {
                        e.printStackTrace();
                    }
                    org.jivesoftware.smackx.iqregister.AccountManager manager =  org.jivesoftware.smackx.iqregister.AccountManager.getInstance(connection);
                    manager.sensitiveOperationOverInsecureConnection(true);
                    if (attr == null) {
                        try {
                            manager.createAccount(name, password);
                            System.out.println("hello1");
                        } catch (SmackException.NoResponseException e) {
                            e.printStackTrace();
                        } catch (XMPPException.XMPPErrorException e) {
                            e.printStackTrace();
                        } catch (SmackException.NotConnectedException e) {
                            e.printStackTrace();
                        }
                    } else {
                        try {
                            System.out.println("hello2");
                            manager.createAccount(name, password, attr);
                            Thread.sleep(1000);

                        } catch (SmackException.NoResponseException e) {
                            e.printStackTrace();
                        } catch (XMPPException.XMPPErrorException e) {
                            e.printStackTrace();
                        } catch (SmackException.NotConnectedException e) {
                            e.printStackTrace();
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }
                    }
                    System.out.println("完成操作");



                }
            }).start();

            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

最近在学smack，开始添加用户，老是返回500的错误，后来将用户名改为英文便解决了