ALTER TABLE `t_user_bank_cards`
    ADD COLUMN `is_bind` int(11) NULL DEFAULT 0 COMMENT '是否绑定' AFTER `create_time`,
ADD COLUMN `request_no` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '绑定请求号' AFTER `is_bind`,
ADD COLUMN `customer_id` varchar(16) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '第三方用户id' AFTER `request_no`;