Driven by the requirements of Company A, adding enterprise-related information on the screen has become a way to deter and audit data from being snapped or screenshot. However, too many warning messages on the screen have no impact on the work. Therefore, meeting the needs of enterprises to deter and audit and minimizing the impact on the work has become a common evaluation scheme for enterprises at present. Classic success and ongoing case of high-tech factory: IC design factory, major A supply chain to prevent screen from being stolen and check tools. There is no need to guide a complete set of table management or file encryption schemes to meet the watermark requirements.