1.IIS->[网站]->属性-》连接超时。默认为120秒2.WEB.CONFIG 手工添加httpRuntime,如<system.web> <httpRuntime maxRequestLength="1000000" executionTimeout="2000" /></system.web>3.同步执行WEBSERVICE时,需要设置TIMEOUT属性,如 CompilerSvr.MyFavoritesService compiler=new FDN.DMS.Controls.CompilerSvr.MyFavoritesService(); compiler.Timeout =2000000; //毫秒