-- 回滚：恢复已删除的废弃字段（列结构恢复，历史数据已备份）
ALTER TABLE tb_iot_card ADD COLUMN IF NOT EXISTS first_commission_paid boolean NOT NULL DEFAULT false;
ALTER TABLE tb_iot_card ADD COLUMN IF NOT EXISTS accumulated_recharge bigint NOT NULL DEFAULT 0;
ALTER TABLE tb_device ADD COLUMN IF NOT EXISTS first_commission_paid boolean NOT NULL DEFAULT false;
ALTER TABLE tb_device ADD COLUMN IF NOT EXISTS accumulated_recharge bigint NOT NULL DEFAULT 0;