code: @Transactional
  	@EtTcc(confirmMethod="doConfirmPay",cancelMethod="doCancelPay",idempotentType=BusinessProvider.IDENPOTENT_TYPE_FRAMEWORK,cfgClass=WalletPayRequestCfg.class)
  	public WalletPayResponseVO doTryPay(WalletPayRequestVO param) {
  		int update = jdbcTemplate.update("update `wallet` set freeze_amount = freeze_amount + ? where user_id = ? and (total_amount - freeze_amount) >= ?;", 
  				param.getPayAmount(),param.getUserId(),param.getPayAmount());
  		
  		if(update != 1){
  			throw new RuntimeException("can not find specific user id or have not enought money");
  		}
  		
  		WalletPayResponseVO walletPayTccMethodResult = new WalletPayResponseVO();
  		walletPayTccMethodResult.setFreezeAmount(param.getPayAmount());
  		return walletPayTccMethodResult;
  	}
docs: 如果doTryPay的入参为集成了EasyTransRequest并带有BusinessIdentiffer的话则无需指定cfgClass