@BaseRequest(baseURL = "https://api.weixin.qq.com/wxa")
@Post("/operationams")
JSONObject updateAdunit(@Query("action") String action, @Query("access_token") String token, @JSONBody String body);

Body: {"name":"小程序banner","ad_unit_id":"adunit-71ab1d2f85711bee","status":"AD_UNIT_STATUS_OFF"}

JSONObject jsonObject = wxAdunitApi.updateAdunit("agency_update_adunit", getAuthorizerAccessToken(appId), gson.toJson(dto));