SpringBoot集成shiro在securityUtils.getSubject()报错No SecurityManager accessible to the calling code，该怎么解决呢？

在做一个springboot+shiro的demo，但是在用户登录的方法中securityUtils.getSubject()时报错：
org.apache.shiro.UnavailableSecurityManagerException: No SecurityManager accessible to the calling code, either bound to the org.apache.shiro.util.ThreadContext or as a vm static singleton. This is an invalid application configuration.不知道怎么解决，请问有大神可以帮助吗？

下面是shiro配置类：
@Configuration
public class ShiroConfig {

@Beanpublic ShiroFilterFactoryBean getBean(@Qualifier("securityManager") DefaultWebSecurityManager securityManager){    ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();    bean.setSecurityManager(securityManager);    bean.setLoginUrl("/login");    bean.setSuccessUrl("/mainMenu");    Map<String,String> filterMap = new  edHashMap<>();    filterMap.put("/login","anon");    filterMap.put("/*","authc");    bean.setFilterChainDefinitionMap(filterMap);    return bean;}@Bean("securityManager")public DefaultWebSecurityManager getSecurityManage(@Qualifier("accountRealm")AccountRealm accountRealm){    DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();    securityManager.setRealm(accountRealm);    return securityManager;}@Bean("accountRealm")public AccountRealm getAccountRealm(){    return new AccountRealm();}

}