这个版本修正了目前为止已发现的BUG； 后台加入了前台客户端缓存开关，解决了后台数据已经更新。前台无显示的情况； 本程序仅在IIS中测试通过。 -This version has been revised so far found BUG background joined the front switches the client cache to resolve the background data has been updated. The case of no show