code: public static OpenPluginTokenResult openpluginToken(String accessToken, OpenPluginToken openPluginToken) {
          return openpluginToken(accessToken, JsonUtil.toJSONString(openPluginToken));
      }
docs: 第三方平台获取插件wifi_token
  
  @param accessToken     accessToken
  @param openPluginToken openpluginToken
  @return OpenpluginTokenResult