alter table `ec_core_order_log` DROP PRIMARY KEY,ADD id int auto_increment ,ADD PRIMARY KEY (id,tx_logistic_id);

------解决方案--------------------

create table `ec_core_order_log` (
  `tx_logistic_id` varchar(50) not null,
  `create_time` timestamp not null default current_timestamp comment '创建时间',
  `update_time` timestamp null comment '支付成功/支付失败时间',
  `payAmount` varchar(10) comment '支付金额',
  `payTime` varchar(100) comment '支付时间',
  `unitId` varchar(50) comment 'PDA发起支付时传入的网点id',
  `employeeId` varchar(50) comment 'PDA发起支付时传入的员工号',
  `remark` varchar(512), 
  primary key (`tx_logistic_id`)
) engine=InnoDB default charset=utf8;

ALTER TABLE `ec_core_order_log`  ADD id INT AUTO_INCREMENT,DROP PRIMARY kEY,
ADD PRIMARY KEY (id,tx_logistic_id)