AccountDataBean account = profile.getAccount();
if (Log.doTrace())
Log.trace("TradeJpaAm:login", userID, password);
account.login(password);
entityManager.getTransaction().commit();
if (Log.doTrace())
Log.trace("TradeJpaAm:login(" + userID + "," + password + ") success" + account);
entityManager.close();
return account;