在鼠标文件那一块改成下列参数：
引用:Section "InputDevice"
Identifier "Configured Mouse"
Driver "vmmouse"
Option "Protocol" "ImPS/2"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "yes"
EndSection
如还不能解决请自行想办法。