diff --git a/README.md b/README.md
index 67cecbb..805b4cb 100644
--- a/README.md
+++ b/README.md
@@ -27,17 +27,18 @@ spring-cloud：Finchley.SR2
 
 | samples                                                      | 描述                                                         | 官方文档                                                     |
 | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ |
-| [springmvc-base](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/springmvc-base)<br/>[springmvc-base-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/springmvc-base-annotation) | springmvc基础、参数绑定、格式转换、数据校验、<br/>异常处理、 文件上传下载、视图渲染 | [spring mvc ](https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/web.html#mvc) |
+| [springmvc-base](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/springmvc-base)<br/>[springmvc-base-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/springmvc-base-annotation) | springmvc基础、参数绑定、格式转换、数据校验、<br/>异常处理、 文件上传下载、视图渲染 | [Spring Mvc ](https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/web.html#mvc) |
+| [spring-aop](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-aop)<br/>[spring-aop-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-aop-annotation) | spring切面编程                                               | [Spring AOP](https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/core.html#aop) |
 | [spring-jdbc](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-jdbc)<br/>[spring-jdbc-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-jdbc-annotation) | spring jdbc-template 的使用                                  | [Using JdbcTemplat](https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/data-access.html#jdbc-JdbcTemplate) |
-| [spring-mybatis](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-mybatis)<br/>[spring-mybatis-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-mybatis-annotation) | spring 整合 mybatis                                          | [mybatis-spring](http://www.mybatis.org/spring/zh/index.html) |
-| [spring-druid-mybatis](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-druid-mybatis)<br/>[spring-druid-mybatis-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-druid-mybatis-annotation) | spring 整合druid、mybatis                                    | [alibaba druid](https://github.com/alibaba/druid/wiki/%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98) |
-| [spring-redis](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-redis)<br/>[spring-redis-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-redis-annotation) | spring 整合 redis 单机+集群（jedis客户端）<br/>spring 整合 redis 单机+集群（redisson客户端） | [redisson](https://github.com/redisson/redisson/wiki/%E7%9B%AE%E5%BD%95) |
+| [spring-mybatis](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-mybatis)<br/>[spring-mybatis-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-mybatis-annotation) | spring 整合 mybatis                                          | [Mybatis-Spring](http://www.mybatis.org/spring/zh/index.html) |
+| [spring-druid-mybatis](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-druid-mybatis)<br/>[spring-druid-mybatis-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-druid-mybatis-annotation) | spring 整合druid、mybatis                                    | [Alibaba druid](https://github.com/alibaba/druid/wiki/%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98) |
+| [spring-redis](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-redis)<br/>[spring-redis-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-redis-annotation) | spring 整合 redis 单机+集群（jedis客户端）<br/>spring 整合 redis 单机+集群（redisson客户端） | [Redisson](https://github.com/redisson/redisson/wiki/%E7%9B%AE%E5%BD%95) |
 | [spring-mongodb](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-mongodb)<br/>[spring-mongodb-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-mongodb-annotation) | spring 整合 mongodb                                          | [Spring Data MongoDB](https://docs.spring.io/spring-data/mongodb/docs/2.1.3.RELEASE/reference/html/#mongo.mongo-db-factory-java) |
 | [spring-memcached](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-memcached)<br/>[spring-memcached-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-memcached-annotation) | spring 整合 memcached(单机+集群)                             | [Xmemcached](https://github.com/killme2008/xmemcached/wiki/Xmemcached%20%E4%B8%AD%E6%96%87%E7%94%A8%E6%88%B7%E6%8C%87%E5%8D%97) |
-| [spring-rabbitmq](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-rabbitmq)<br/>[spring-rabbitmq-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-rabbitmq-annotation) | spring 整合 rabbitmq、消息序列化与反序列化                   | [rabbitmq](http://www.rabbitmq.com/getstarted.html)<br>[spring amqp](https://docs.spring.io/spring-amqp/docs/2.1.3.BUILD-SNAPSHOT/reference/html/) |
-| spring-dubbo<br/>spring-dubbo-annotation                     | spring 整合 dubbo                                            | [duboo ](http://dubbo.apache.org/zh-cn/docs/user/quick-start.html) |
-| [spring-websocket](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-websocket)<br/>[spring-websocket-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-websocket-annotation) | spring 整合 websocket                                        | [spring websocket](https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/web.html#websocket) |
-| [spring-mail](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-email) <br/>[spring-mail-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-email-annotation) | spring 普通文本邮件、附件邮件、模板邮件                      | [spring email](https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/integration.html#mail) |
+| [spring-rabbitmq](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-rabbitmq)<br/>[spring-rabbitmq-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-rabbitmq-annotation) | spring 整合 rabbitmq、消息序列化与反序列化                   | [Rabbitmq](http://www.rabbitmq.com/getstarted.html)<br>[Spring AMQP](https://docs.spring.io/spring-amqp/docs/2.1.3.BUILD-SNAPSHOT/reference/html/) |
+| spring-dubbo<br/>spring-dubbo-annotation                     | spring 整合 dubbo                                            | [Duboo ](http://dubbo.apache.org/zh-cn/docs/user/quick-start.html) |
+| [spring-websocket](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-websocket)<br/>[spring-websocket-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-websocket-annotation) | spring 整合 websocket                                        | [Spring Websocket](https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/web.html#websocket) |
+| [spring-mail](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-email) <br/>[spring-mail-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-email-annotation) | spring 普通文本邮件、附件邮件、模板邮件                      | [Spring Email](https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/integration.html#mail) |
 | [spring-scheduling](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-scheduling)<br/>[spring-scheduling-annotation](https://github.com/heibaiying/spring-samples-for-all/tree/master/spring/spring-scheduling-annotation) | spring 定时任务                                              | [Task Execution and Scheduling](https://docs.spring.io/spring/docs/5.1.3.RELEASE/spring-framework-reference/integration.html#scheduling) |
 | spring-kafka<br/>spring-kafka-annotation                     | spring 整合 kafka                                            | [Spring for Apache Kafka](https://docs.spring.io/spring-kafka/docs/2.2.2.RELEASE/reference/html/) |
 
diff --git a/spring/spring-aop-annotation/src/main/java/com/heibaiying/advice/SecondAdvice.java b/spring/spring-aop-annotation/src/main/java/com/heibaiying/advice/SecondAdvice.java
index 6d48b41..94d8f4c 100644
--- a/spring/spring-aop-annotation/src/main/java/com/heibaiying/advice/SecondAdvice.java
+++ b/spring/spring-aop-annotation/src/main/java/com/heibaiying/advice/SecondAdvice.java
@@ -10,7 +10,7 @@ import org.springframework.stereotype.Component;
  * @author : heibaiying
  * @description : 自定义切面
  */
-@Order(1)
+@Order(2)
 @Aspect
 @Component
 public class SecondAdvice {
diff --git a/spring/spring-aop-annotation/src/test/java/com/heibaiying/aop/AopTest.java b/spring/spring-aop-annotation/src/test/java/com/heibaiying/aop/AopTest.java
index 4d7c4f0..0af02e2 100644
--- a/spring/spring-aop-annotation/src/test/java/com/heibaiying/aop/AopTest.java
+++ b/spring/spring-aop-annotation/src/test/java/com/heibaiying/aop/AopTest.java
@@ -25,9 +25,13 @@ public class AopTest {
     @Test
     public void saveAndQuery() {
         orderService.createOrder(1283929319L, "手机");
-        //orderService.queryOrder(4891894129L);
+        orderService.queryOrder(4891894129L);
     }
 
+    /**
+     * 多个切面作用于同一个切入点时，可以用@Order指定切面的执行顺序
+     * 优先级高的切面在切入方法前执行的通知(before)会优先执行，但是位于方法后执行的通知(after,afterReturning)反而会延后执行
+     */
     @Test
     public void delete() {
         orderService.deleteOrder(12793179L);
diff --git a/spring/spring-aop/src/test/java/com/heibaiying/aop/AopTest.java b/spring/spring-aop/src/test/java/com/heibaiying/aop/AopTest.java
index 2b0e852..467a2ed 100644
--- a/spring/spring-aop/src/test/java/com/heibaiying/aop/AopTest.java
+++ b/spring/spring-aop/src/test/java/com/heibaiying/aop/AopTest.java
@@ -22,6 +22,6 @@ public class AopTest {
     @Test
     public void save() {
         orderService.createOrder(1283929319L, "手机");
-        //orderService.queryOrder(4891894129L);
+        orderService.queryOrder(4891894129L);
     }
 }