code: public void putParams(JSONObject params) throws JSONException {
          this.params = params;
          this.put(Defines.LinkParam.Data.getKey(), params);
      }
docs: <p>Any other params to be added; you can define your own.</p>
  
  @param params A {@link String} containing other params in JSON format.
  @throws JSONException The parameter value must be in valid JSON format, or a
  {@link JSONException} will be thrown.