First, read the English article below.

Homebrew applications are programs (such as games and emulators for old game systems) that are written by individual programmers and usually distributed for free to anyone who wants them. The downside of running homebrew programs on your PSP is that it requires hacking your PSP's firmware so that it'll allow unlicensed programs. Hacking your PSP's firmware isn't a big legal deal to anybody, but custom firmware can occasionally impede your ability to run some commercial games properly. Although the homebrew community is always improving in reliability and compatibility, the problem still exists. Back up all of your save files and other electronically stored data onto a second memory stick before you proceed, just in case. You either have an official firmware or a custom firmware. The latest official firmware for the PSP is the version 6.61. If you have anything under 6.60 it's highly recommended you update it since new games do not work on older firmwares. So go to Sony's official website and download the latest firmware, they have a very detailed guide there to help you on the update process. After your system software is 6.60 you good install a Custom firmware (CFW). The best CFW for the PSP is called "PRO", No matter what PSP model you have (1000/2000/3000/e1000 or Go!) All work with the same PRO CFW. This is how to install it:  Download the 6.60 PRO-C fix3 CFW. There is a newer version called C2 but it has a bug which makes PSN games unplayable so it's recommended to stick with PRO-C fix3. Enter USB mode. Navigate to your PSP's “Settings” menu and select “USB mode.” Connect the PSP to your computer with a USB cable and open it up on your desktop. Be sure your empty memory card is still in the PSP. Navigate to the root file of the memory card. Copy the firmware. The firmware comes with 3 folders (PRO Update, CPL Flasher, and Fast recover), Copy this 3 folders inside the "PSP\GAME\" folder of your Memory Stick. Leave USB mode. Disconnect your PSP from your computer and exit USB mode by selecting the... 

Now, please write a short abstract for it in Chinese. Abstract:
了解自制软件。 明白您要做什么。 获取适配硬件。 下载自定义文件到您的计算机。 安装适配硬件。 获取自制游戏。