diff --git a/README.md b/README.md
index 805b4cb..9669bc5 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ spring-cloud：Finchley.SR2
 | [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-dubbo<br/>spring-dubbo-annotation                     | spring 整合 dubbo                                            | [Dubbo ](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) |