Spring-aop: Error Cannot convert value of type [$Proxy...] to required type

配置aop:config事务管理时，出现异常

Caused by: org.springframework.beans.ConversionNotSupportedException: Failed to convert property value of type '$Proxy8 implementing com...base.dao.IEntityDao,org.springframework.beans.factory.InitializingBean,org.springframework.aop.SpringProxy,org.springframework.aop.framework.Advised' to required type 'com...springsecurity.users.service.UserService' for property 'userService'; nested exception is java.lang.IllegalStateException: Cannot convert value of type [$Proxy8 implementing com...base.dao.IEntityDao,org.springframework.beans.factory.InitializingBean,org.springframework.aop.SpringProxy,org.springframework.aop.framework.Advised] to required type [com...springsecurity.users.service.UserService] for property 'userService': no matching editors or conversion strategy found
	at org.springframework.beans.BeanWrapperImpl.convertIfNecessary(BeanWrapperImpl.java:462)
	at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:499)
	at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:493)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1371)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1330)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1086)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)
	... 62 more
Caused by: java.lang.IllegalStateException: Cannot convert value of type [$Proxy8 implementing com...base.dao.IEntityDao,org.springframework.beans.factory.InitializingBean,org.springframework.aop.SpringProxy,org.springframework.aop.framework.Advised] to required type [com...springsecurity.users.service.UserService] for property 'userService': no matching editors or conversion strategy found
	at org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:231)
	at org.springframework.beans.BeanWrapperImpl.convertIfNecessary(BeanWrapperImpl.java:447)
	... 68 more
Caused by: org.springf