The Knowledge Computing Lab at Peking University has collaborated with the AI Lab of Sichuan Tianfu Bank to open-source the CodeShell-7B code foundation model, which boasts the strongest performance. This model has distinguished itself in multiple evaluations, ushering in a new era of intelligent code assistants. Additionally, CodeShell-Chat offers multifunctional support, and the open-source IDE plugin helps enhance development efficiency, making programming a breeze for programmers.