ALTER TABLE `shop`
ADD COLUMN `belong_type` tinyint NOT NULL DEFAULT 0 COMMENT '归属类型（0-借还柜 1-固资通）'
AFTER `corpid`;

ALTER TABLE `return_approval`
ADD COLUMN `apply_userid` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci DEFAULT NULL COMMENT '申请人企业UserID'
AFTER `corpid`;

ALTER TABLE `return_approval`
ADD COLUMN `audit_userid` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci DEFAULT NULL COMMENT '审批人企业UserID'
AFTER `corpid`;

ALTER TABLE `shop` 
ADD COLUMN `mode` TINYINT NOT NULL DEFAULT 0 COMMENT '运行模式（0-支付模式 1-审批模式 2-借还模式 3-会员模式 4-耗材模式）' 
AFTER `belong_type`;

ALTER TABLE `shop` 
ADD COLUMN `balance_enable` TINYINT NOT NULL DEFAULT 1 COMMENT '借呗支付（1-正常使用 0-禁止使用）' 
AFTER `mode`;

ALTER TABLE `shop` 
ADD COLUMN `cover_img` varchar(512) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '封面图URL' 
AFTER `balance_enable`;

ALTER TABLE `return_approval` 
ADD COLUMN `code` varchar(32) DEFAULT NULL COMMENT '审批码' 
AFTER `external_approval_id`;