求助：10.1装了beryl 0.2出错了

运行beryl-xgl后出现:
**************************************************************
* Beryl system compatiblity check *
**************************************************************

Detected xserver : AIGLX

Checking Display :0.0 ...

Checking for XComposite extension : failed

No composite extension
libberylsettings: dlopen: libdbus-1.so.3: cannot open shared object file: No such file or directory
beryl-xgl: No composite extension
beryl没启动.....