//11-11 update element-plus vite2 vue3 version ,add func of element-svg icon for side menu add domo of 'import export download template' in CRUD //11-26 update vue3 version and so on; add keep-alive use demo and router using demo ，look for "http://8.135.1.141/vue3-admin-template/#/writing-demo/keep-alive" add the param cachePage and leaveRmCachePage to route for keep-alive,look for https://github.com/jzfai/vue3-admin-template/blob/master/src/router/index.js add collection the error log of img loading fail,look for "http://8.135.1.141/vue3-admin-template/#/error-log/log" in router page you need add root element,such as div, but is not necessary for children component fix some issue