登录密码报错BUG

src/main/java/com/gaotao/modules/sys/service/impl/SysMsgServiceImpl.java

@@ -19,6 +19,10 @@ import org.springframework.stereotype.Service;
 public class SysMsgServiceImpl implements SysMsgService {
 
     protected SysUserEntity getUser() {
+        //处理null
+        if(SecurityUtils.getSubject().getPrincipal() == null){
+            return new SysUserEntity();
+        }
         return (SysUserEntity) SecurityUtils.getSubject().getPrincipal();
     }
     @Autowired