yunxi com.yunxi.scm ${revision} 4.0.0 yunxi-module-mall pom ${project.artifactId} 商城大模块，由 product 商品、promotion 营销、trade 交易等组成 yunxi-module-promotion-api yunxi-module-promotion-biz yunxi-module-product-api yunxi-module-product-biz yunxi-module-trade-api yunxi-module-trade-biz