fessConfig.setNotificationSearchTop(form.notificationSearchTop);
        fessConfig.setStorageEndpoint(form.storageEndpoint);
        if (form.storageAccessKey != null && StringUtil.isNotBlank(form.storageAccessKey.replace("*", " "))) {
            fessConfig.setStorageAccessKey(form.storageAccessKey);
        }
        if (form.storageSecretKey != null && StringUtil.isNotBlank(form.storageSecretKey.replace("*", " "))) {

    public String notificationSearchTop;

    @Size(max = 10)
    public String logLevel;

    @Size(max = 1000)
    public String storageEndpoint;

    @Size(max = 1000)
    public String storageAccessKey;

    @Size(max = 1000)
    public String storageSecretKey;

    @Size(max = 1000)
    public String storageBucket;