apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/PageSettingController.java/PageSettingController/getPageSetting
class PageSettingController:  @GetMapping("/page-settings")
  public PageSetting getPageSetting() {
    PageSetting setting = new PageSetting();

    setting.setWikiAddress(portalConfig.wikiAddress());
    setting.setCanAppAdminCreatePrivateNamespace(portalConfig.canAppAdminCreatePrivateNamespace());

    return setting;
  }