=== Build Release 31 May 2019 & 28 June 2019

+ Update table `earn_rules`
- SQL: ALTER TABLE `earn_rules` CHANGE `earn_point` `earn_point` DECIMAL(10,2) NOT NULL COMMENT 'number, or percentage';

+ Update table `redeem_auth`
- SQL: ALTER TABLE `redeem_auth` ADD `redemption_type` TINYINT(1) UNSIGNED NOT NULL DEFAULT '1' COMMENT '1: amount; 2: product/gift' AFTER `mcard_number`;
- SQL: ALTER TABLE `redeem_auth` ADD `reward_property` TEXT NULL DEFAULT NULL AFTER `redemption_value`;

+ Update table `earn_rules` 
- SQL: SQL: ALTER TABLE `earn_rules` ADD `amount_based` TINYINT(1) NOT NULL DEFAULT '0' COMMENT '0: base on rules; 1: base on actual amount spent' ;