fixed is_local标识

app/views/settings/show.json.jbuilder

@@ -47,7 +47,7 @@ json.setting do
 
   json.main_site current_laboratory.main_site?
   json.new_course default_course_links
-
+  json.is_local EduSetting.get("is_local") == "true"
 
   json.add do
     json.array! @add