A portal for college students made by Kexun Kernel. The source code data was updated to February 1, 2009. Kexun Kernel produced it. The backend author did some tricks. Everyone goes to the official website of Kexun to download the upgrade file replacement of the program. After all, Kexun is already a It's open source, so we don't have to worry about backend restrictions, and the program instructions are in the package.
