Fixed exit when searching non-exists path
Fixed exit when searching non-exists path

killme2008/node-zk-browser,fengshao0907/node-zk-browser,killme2008/node-zk-browser,happyiwin/node-zk-browser,happyiwin/node-zk-browser,fengshao0907/node-zk-browser,killme2008/node-zk-browser