(Optimization and simplicity are one of the eternal themes of code, and laravel seems to have been born with this mission from the beginning. The optimization of code is not always simple. The most attractive thing about laravel is to make the code concise and expressive. Laravel can help us get rid of complex code and focus more on ideas and products. The content arrangement of the course is very ingenious. It is designed and developed based on laravel 5.8. Including basic courses of laravel, modular teaching of laravel project, project design, safety and optimization teaching of laravel.)