apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/AppController.java/AppController/load
class AppController:  @GetMapping("/{appId:.+}")
  public AppDTO load(@PathVariable String appId) {
    App app = appService.load(appId);
    AppDTO appDto = BeanUtils.transform(AppDTO.class, app);
    additionalUserInfoEnrichService.enrichAdditionalUserInfo(Collections.singletonList(appDto),
        AppDtoUserInfoEnrichedAdapter::new);
    return appDto;
  }