修改新建团队

templates/org/header_course.tmpl

@@ -8,7 +8,7 @@
 					<span class="text thin grey"><a href="{{.HomeLink}}">{{.DisplayName}}</a></span>
 					{{end}}
 				{{if .IsCourse}}
-					{{if .CanCreateOrgRepo}}
+					{{if .IsOrganizationOwner}}
 						<div class="ui right">
 							<a class="ui green button" href="{{.OrgLink}}/teams/new">{{svg "octicon-plus" 16}} {{.i18n.Tr "org.create_new_team"}}</a>
 						</div>