fix a bug when there is an error with rule.js
fix a bug when there is an error with rule.js

WilliamRen/anyproxy,zhenggang/anyproxy,alibaba/anyproxy,wangcan2014/anyproxy,wangcan2014/anyproxy,alexyan/anyproxy,webcoding/anyproxy,changfuguo/anyproxy,lwdgit/anyproxy,danarnold/anyproxy,zhenggang/anyproxy,j0x7c4/wormhole,changfuguo/anyproxy,yoimhere/anyproxy,changfuguo/anyproxy,alexyan/anyproxy,WilliamRen/anyproxy,j0x7c4/wormhole,alibaba/anyproxy,danarnold/anyproxy,supnate/anyproxy,sdgdsffdsfff/anyproxy,ohyeah521/anyproxy,hastar/anyproxy,ohyeah521/anyproxy,ohyeah521/anyproxy,feifei435/anyproxy,alexyan/anyproxy,yoimhere/anyproxy,hastar/anyproxy,lwdgit/anyproxy,feifei435/anyproxy,zhenggang/anyproxy,danarnold/anyproxy,supnate/anyproxy,j0x7c4/wormhole,sdgdsffdsfff/anyproxy,feifei435/anyproxy,alibaba/anyproxy,hastar/anyproxy,yoimhere/anyproxy,supnate/anyproxy,sdgdsffdsfff/anyproxy,webcoding/anyproxy,WilliamRen/anyproxy,webcoding/anyproxy,lwdgit/anyproxy,wangcan2014/anyproxy