get host return null;

hsweb-authorization/hsweb-authorization-shiro/src/main/java/org/hswebframework/web/authorization/shiro/CustomAuthenticationToken.java

@@ -55,7 +55,7 @@ public class CustomAuthenticationToken implements AuthenticationToken, HostAuthe
 
     @Override
     public String getHost() {
-        return null;
+        return host;
     }
 
     public void setHost(String host) {