错误报告如下：

org.nutz.ioc.IocException: IocBean[publicUserController] throw Exception when creating
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:149)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:210)
	at org.nutz.ioc.impl.NutIoc.get(NutIoc.java:239)
	at org.nutz.mvc.impl.processor.ModuleProcessor.process(ModuleProcessor.java:116)
	at org.nutz.mvc.impl.processor.AbstractProcessor.doNext(AbstractProcessor.java:44)
	at org.nutz.mvc.impl.processor.EncodingProcessor.process(EncodingProcessor.java:27)
	at org.nutz.mvc.impl.processor.AbstractProcessor.doNext(AbstractProcessor.java:44)
	at org.nutz.mvc.impl.processor.UpdateRequestAttributesProcessor.process(UpdateRequestAttributesProcessor.java:15)
	at org.nutz.mvc.impl.NutActionChain.doChain(NutActionChain.java:44)
	at org.nutz.mvc.impl.ActionInvoker.invoke(ActionInvoker.java:67)
	at org.nutz.mvc.ActionHandler.handle(ActionHandler.java:31)
	at org.nutz.mvc.NutFilter.doFilter(NutFilter.java:202)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: IocBean[publicUserController] fail at field=[emailService]
	at org.nutz.ioc.weaver.FieldInjector.inject(FieldInjector.java:40)
	at org.nutz.ioc.weaver.DefaultWeaver.fill(DefaultWeaver.java:56)
	at org.nutz.ioc.impl.ObjectMakerImpl.make(ObjectMakerImpl.java:135)
	... 30 more
Caused by: java.lang.RuntimeException: Fail to set field[net.nutz.api.publicapi.PublicUserController#emailService] using value[net.nutz.services.impl.EmailServiceImpl@74892bc8]
	at org.nutz.lang.inject.InjectByField.inject(InjectByField.java:24)
	at org.nutz.ioc.weaver.FieldInjector.inject(FieldInjector.java:33)
	... 32 more
Caused by: org.nutz.castor.FailToCastObjectException: Fail to cast from <net.nutz.services.impl.EmailServiceImpl> to <net.nutz.services.EmailService> for {net.nutz.services.impl.EmailServiceImpl@74892bc8}
	at org.nutz.castor.Castors.cast(Castors.java:262)
	at org.nutz.castor.Castors.castTo(Castors.java:316)
	at org.nutz.lang.inject.InjectByField.inject(InjectByField.java:19)
	... 33 more
Caused by: org.nutz.lang.born.BorningException: Fail to born or cast to 'net.nutz.services.EmailService'
 by args: [@(net.nutz.services.impl.EmailServiceImpl@74892bc8)]
 because: No suitable Constructor or Factory Method!!
	at org.nutz.lang.Mirror.born(Mirror.java:988)
	at org.nutz.castor.castor.Object2Object.cast(Object2Object.java:12)
	at org.nutz.castor.Castors.cast(Castors.java:252)
	... 35 more