apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/controller/ItemController.java/ItemController/findBranchItems
class ItemController:  @GetMapping("/apps/{appId}/envs/{env}/clusters/{clusterName}/namespaces/{namespaceName}/branches/{branchName}/items")
  public List<ItemDTO> findBranchItems(@PathVariable("appId") String appId, @PathVariable String env,
                                       @PathVariable("clusterName") String clusterName,
                                       @PathVariable("namespaceName") String namespaceName,
                                       @PathVariable("branchName") String branchName) {

    return findItems(appId, env, branchName, namespaceName, "lastModifiedTime");
  }