fessConfig.setStorageAccessKey(form.storageAccessKey);
        }
        if (form.storageSecretKey != null && StringUtil.isNotBlank(form.storageSecretKey.replace("*", " "))) {
            fessConfig.setStorageSecretKey(form.storageSecretKey);
        }
        fessConfig.setStorageBucket(form.storageBucket);

        fessConfig.storeSystemProperties();

    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;