Elastic-job?报错

各位大神，刚学习使用elast-job，使用javacode启动没有问题，根据安装开发指南使用spring启动的时候报错如下：

Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.dangdang.ddframe.job.lite.spring.api.SpringJobScheduler#0': Invocation of init method failed; nested exception is com.dangdang.ddframe.job.reg.exception.RegException: java.lang.IllegalArgumentException: Invalid path string "//config" caused by empty node name specified @1
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1512)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:521)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:296)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:293)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:633)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
	at com.qzg.scheduler.MainSpring.main(MainSpring.java:11)
Caused by: com.dangdang.ddframe.job.reg.exception.RegException: java.lang.IllegalArgumentException: Invalid path string "//config" caused by empty node name specified @1
	at com.dangdang.ddframe.job.reg.exception.RegExceptionHandler.handleException(RegExceptionHandler.java:52)
	at com.dangdang.ddframe.job.reg.zookeeper.ZookeeperRegistryCenter.isExisted(ZookeeperRegistryCenter.java:209)
	at com.dangdang.ddframe.job.lite.internal.storage.JobNodeStorage.isJobNodeExisted(JobNodeStorage.java:62)
	at com.dangdang.ddframe.job.lite.internal.config.ConfigurationService.find(ConfigurationService.java:85)
	at com.dangdang.ddframe.job.lite.internal.config.ConfigurationService.checkConflictJob(ConfigurationService.java:77)
	at com.dangdang.ddframe.job.lite.internal.config.ConfigurationService.persist(ConfigurationService.java:70)
	at com.dangdang.ddframe.job.lite.internal.schedule.SchedulerFacade.updateJobConfiguration(SchedulerFacade.java:103)
	at com.dangdang.ddframe.job.lite.api.JobScheduler.init(JobScheduler.java:105)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1638)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1579)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1509)
	... 12 more
Caused by: java.lang.IllegalArgumentException: Invalid path string "//config" caused by empty node name specified @1
	at org.apache.curator.utils.PathUtils.validatePath(PathUtils.java:102)
	at org.apache.curator.utils.PathUtils.validatePath(PathUtils.java:37)
	at org.apache.curator.utils.ZKPaths.fixForNamespace(ZKPaths.java:105)
	at org.apache.curator.framework.imps.NamespaceImpl.fixForNamespace(NamespaceImpl.java:104)
	at org.apache.curator.framework.imps.CuratorFrameworkImpl.fixForNamespace(CuratorFrameworkImpl.java:594)
	at org.apache.curator.framework.imps.ExistsBuilderImpl.forPath(ExistsBuilderImpl.java:151)
	at org.apache.curator.framework.imps.ExistsBuilderImpl.forPath(ExistsBuilderImpl.java:39)
	at com.dangdang.ddframe.job.reg.zookeeper.ZookeeperRegistryCenter.isExisted(ZookeeperRegistryCenter.java:205)
	... 25 more

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