原因，没有配置webconfig
?<system.webServer> ???<modules> ?????<remove name="FormsAuthentication" /> ???</modules> ???<handlers> ?????<add name="MiniProfiler" path="mini-profiler-resources/*" verb="*" type="System.Web.Routing.UrlRoutingModule" resourceType="Unspecified" preCondition="integratedMode" /> ???</handlers> ???<staticContent> ?????<remove fileExtension=".woff" /> ?????<remove fileExtension=".woff2" /> ?????<mimeMap fileExtension=".woff" mimeType="application/x-woff" /> ?????<mimeMap fileExtension=".woff2" mimeType="application/x-woff2" /> ???</staticContent> ?</system.webServer>
参考：https://www.cnblogs.com/smallidea/p/5274803.html
Miniprofiler在目中使用报 mini-profiler-resources/includes.js 404错误
原文地址：https://www.cnblogs.com/bamboo-zhang/p/9278269.html