-- 删除 tb_device 的索引和字段 DROP INDEX IF EXISTS idx_device_series_allocation; ALTER TABLE tb_device DROP COLUMN IF EXISTS series_allocation_id, DROP COLUMN IF EXISTS first_commission_paid, DROP COLUMN IF EXISTS accumulated_recharge; -- 删除 tb_iot_card 的索引和字段 DROP INDEX IF EXISTS idx_iot_card_series_allocation; ALTER TABLE tb_iot_card DROP COLUMN IF EXISTS series_allocation_id, DROP COLUMN IF EXISTS first_commission_paid, DROP COLUMN IF EXISTS accumulated_recharge;