docs: public static Map<String, Object> getAdditionalParameter(BoundSql boundSql) {
          try {
              return (Map<String, Object>) additionalParametersField.get(boundSql);
          } catch (IllegalAccessException e) {
              throw new PageException("获取 BoundSql 属性值 additionalParameters 失败: " + e, e);
          }
      }