I mainly focus on the field of high-tech technology, from the underlying hardware system to the upper software. keywords:Artificial intelligence area : AI algorithms, computer vision, deep learning, machine learning, big data algorithms, data mining algorithmsSecurity and trust area: hardware security, software security, operating system security, network security, Security Development Lifecycle SDL, penetration testing, security offense and defense, data security, chip securityAutonomous driving area: sensor fusion perception system (camera, radar, lidar), fusion perception algorithm computer system related area: storage medium research and development, GPU architecture design, CPU architecture design, FPGA, SOC, heterogeneous computing, Linux kernel, high-performance computing HPC , Multi-core parallel computingCloud computing related area: distributed computing, distributed system, cloud database, cloud algorithm, cloud hardware.