docs: public List<User> batchGet(String... openIds) {
          if(openIds.length > 100) {
              throw new WxRuntimeException(999, "批量获取用户基本信息。最多支持一次拉取100条");
          }
          List<Map<String, String>> list = new ArrayList<>();
          for (String openId: openIds) {
              Map<String, String> map = new HashMap<>();
              map.put("openid", openId);
              map.put("lang", "zh_CN");
              list.add(map);
          }
          return batchGet(list);
      }