ALTER TABLE `asset`
    MODIFY COLUMN `assetUnitPrice` DECIMAL(18, 2) NULL COMMENT '单价';

ALTER TABLE `asset_depreciation_record`
    MODIFY COLUMN `assetAllMoney` DECIMAL(18, 2) NULL COMMENT '资产全部的价值',
    MODIFY COLUMN `assetSurplusMoney` DECIMAL(18, 2) NULL COMMENT '剩余价值',
    MODIFY COLUMN `assetDepreciationMoney` DECIMAL(18, 2) NULL COMMENT '累计折旧多少钱',
    MODIFY COLUMN `assetAverageMonthMoney` DECIMAL(18, 2) NULL COMMENT '平均一个月多少钱';