diff --git a/shiro-example-chapter2/src/test/java/com/github/zhangkaitao/shiro/chapter2/LoginLogoutTest.java b/shiro-example-chapter2/src/test/java/com/github/zhangkaitao/shiro/chapter2/LoginLogoutTest.java
index 0ee5b81b..5138821e 100644
--- a/shiro-example-chapter2/src/test/java/com/github/zhangkaitao/shiro/chapter2/LoginLogoutTest.java
+++ b/shiro-example-chapter2/src/test/java/com/github/zhangkaitao/shiro/chapter2/LoginLogoutTest.java
@@ -44,6 +44,7 @@ public void testHelloworld() {
             subject.login(token);
         } catch (AuthenticationException e) {
             //5、身份验证失败
+            e.printStackTrace();
         }
 
         Assert.assertEquals(true, subject.isAuthenticated()); //断言用户已经登录