spring mvc+shiro 整合问题

Error creating bean with name 'shiroFilter': FactoryBean threw exception on object creation; nested exception is org.springframework.beans.factory.BeanInitializationException: The security manager does not implement the WebSecurityManager interface.
at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:175)

有没有人啊 困扰我好几天了

The security manager does not implement the WebSecurityManager interface.没有实现the WebSecurityMa接口