The Patch for Nankai Course Selection System is a Chrome add-on developed by baiyinshuo. It is a free tool that aims to fix several issues with the Nankai Course Selection System.

With this patch, users can resolve problems such as being unable to log in due to incorrect password prompts, the left sidebar not displaying correctly after logging in, and the inability to navigate through pages while selecting courses. It is important to note that the add-on also includes a course grabbing feature, but users are advised to use it cautiously to avoid any negative consequences.

If users encounter any issues while using the patch, they can try refreshing the page or reinstalling the extension for a potential resolution.