apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/listener/AppInfoChangedListener.java/AppInfoChangedListener/AppInfoChangedListener
class AppInfoChangedListener:  public AppInfoChangedListener(final AdminServiceAPI.AppAPI appAPI, final PortalSettings portalSettings) {
    this.appAPI = appAPI;
    this.portalSettings = portalSettings;
  }