public ConfigResult getConfig() {
        LOGGER.info("getConfig start");
        String resultStr = httpManager.doSentPost(staticConfigUrl, getFetchRequest());
        LOGGER.info("ConfigUrl {}", staticConfigUrl);
        JsonObject resultData = getResultData(resultStr);
        JsonElement dataElement = resultData.get(AGENT_MANAGER_RETURN_PARAM_DATA);
        LOGGER.info("getConfig end");
        if (dataElement != null) {
            LOGGER.info("getConfig not null {}", resultData);
            return GSON.fromJson(dataElement.getAsJsonObject(), ConfigResult.class);
        } else {
            LOGGER.error("getConfig result does not contain the data field ");
            return null;
        }
    }
Request manager to get commands, make sure it is not throwing exceptions
inlong-agent/agent-installer/src/main/java/org/apache/inlong/agent/installer/ManagerFetcher.java