-- 客户管理表 - 补充字段
ALTER TABLE asset_customer ADD COLUMN company_name VARCHAR(255) COMMENT '企业名称' AFTER contact_email;
ALTER TABLE asset_customer ADD COLUMN company_phone VARCHAR(20) COMMENT '企业电话' AFTER company_name;
ALTER TABLE asset_customer ADD COLUMN mailing_address VARCHAR(500) COMMENT '邮寄地址' AFTER company_phone;
ALTER TABLE asset_customer ADD COLUMN bank_name VARCHAR(255) COMMENT '开户银行' AFTER mailing_address;
ALTER TABLE asset_customer ADD COLUMN bank_account VARCHAR(50) COMMENT '银行账号' AFTER bank_name;
ALTER TABLE asset_customer ADD COLUMN tax_number VARCHAR(50) COMMENT '纳税人识别号' AFTER bank_account;

-- 停车场管理表 - 补充字段
ALTER TABLE asset_parking ADD COLUMN province VARCHAR(50) COMMENT '省份' AFTER capacity;
ALTER TABLE asset_parking ADD COLUMN city VARCHAR(50) COMMENT '城市' AFTER province;
ALTER TABLE asset_parking ADD COLUMN lease_start_date DATE COMMENT '租赁开始时间' AFTER city;
ALTER TABLE asset_parking ADD COLUMN lease_end_date DATE COMMENT '租赁结束时间' AFTER lease_start_date;
ALTER TABLE asset_parking ADD COLUMN manager_name VARCHAR(50) COMMENT '负责人' AFTER lease_end_date;
ALTER TABLE asset_parking ADD COLUMN manager_phone VARCHAR(20) COMMENT '负责人联系方式' AFTER manager_name;
ALTER TABLE asset_parking ADD COLUMN contact_name VARCHAR(50) COMMENT '停车场联系人' AFTER manager_phone;
ALTER TABLE asset_parking ADD COLUMN contact_phone VARCHAR(20) COMMENT '停车场联系方式' AFTER contact_name;