Configurators path in zk is not right

[yakecanlee]

What happened:

the func pathToKey is not right.

func (l *CacheListener) pathToKey(path string) string {
        //origin
	return strings.Replace(strings.Replace(path, l.rootPath+"/", "", -1), "/", ".", -1)
}

it should be like this.

func (l *CacheListener) pathToKey(path string) string {
	groupKey := strings.Replace(strings.Replace(path, l.rootPath+"/", "", -1), "/", ".", -1)
	return groupKey[strings.Index(groupKey, ".")+1:]
}

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?: