配置太低了？
ps：配置如下:
System: Microsoft Windows XP Professional Service Pack 3 ( 5.1.2600 )
CPU: Intel(R) Pentium(R) D CPU 2.80GHz
PMemory: 2047.29MB
Sound: ATI High Definition Audio Device
Sound: Realtek AC'97 Audio
Network: Realtek RTL8139 Family PCI Fast Ethernet NIC - 数据包计划程序微型端口
Video: ATI Radeon HD 4600 Series ( 6.14.10.7093 )
VideoRAM: 512MB
DirectX: DirectX 9.0c (4.09.0000.0904)
SoundVersion: 5.10.0000.6300