add AppSubUrl

Author: sillyguodong

templates/projects/new.tmpl

@@ -50,7 +50,7 @@
 				<div class="ui divider"></div>
 				<div class="ui left">
 					{{if .PageIsEditProjects}}
-					<a class="ui cancel button" href="/{{.Org.Name}}/-/projects{{if eq .redirect "project"}}/{{.projectID}}{{end}}">
+					<a class="ui cancel button" href="{{AppSubUrl}}/{{.Org.Name}}/-/projects{{if eq .redirect "project"}}/{{.projectID}}{{end}}">
 						{{.locale.Tr "repo.milestones.cancel"}}
 					</a>
 					<button class="ui primary button">