An upgrade to the server-side code of the application would typically also require an upgrade to the client-side code installed on each user workstation, adding to the support cost and decreasing productivity.
升级到应用程序的服务器端代码通常还需要升级到安装在每个用户工作站上的客户端代码，这增加了技术支持成本并降低了生产力。