apollo-adminservice/src/main/java/com/ctrip/framework/apollo/adminservice/aop/NamespaceUnlockAspect.java/NamespaceUnlockAspect/hasNormalItems
class NamespaceUnlockAspect:  private boolean hasNormalItems(List<Item> items) {
    for (Item item : items) {
      if (!StringUtils.isEmpty(item.getKey())) {
        return true;
      }
    }

    return false;
  }