diff --git a/database/mysql/README.md b/database/mysql/README.md
index 38dc441..8041547 100644
--- a/database/mysql/README.md
+++ b/database/mysql/README.md
@@ -494,13 +494,7 @@
- 建议大家主键一定是自增的,别用UUID之类的,因为主键自增,那么起码你的聚簇索引不会频繁的分裂,主键值都是有序的,就会自然的新增一个页而已,但是如果你用的是UUID,那
么也会导致聚簇索引频繁的页分裂
-
-
-
-
-
-
-
+### 109-111: 案例实战:千万级用户场景下的运营系统SQL调优
diff --git a/dev-protocol-springcloud/dev-protocol-springcloud-hystrix/NetflixHystrix.md b/dev-protocol-springcloud/dev-protocol-springcloud-hystrix/NetflixHystrix.md
index eae75f6..ff18d86 100644
--- a/dev-protocol-springcloud/dev-protocol-springcloud-hystrix/NetflixHystrix.md
+++ b/dev-protocol-springcloud/dev-protocol-springcloud-hystrix/NetflixHystrix.md
@@ -24,7 +24,7 @@
### 使用编程方式实现服务的容错、降级
-
+- [NacosClientHystrixCommand.java] - [NacosClientHystrixObservableCommand.java]
### 编程方式开启 Hystrix 请求缓存
diff --git a/dev-protocol-springcloud/dev-protocol-springcloud-hystrix/pom.xml b/dev-protocol-springcloud/dev-protocol-springcloud-hystrix/pom.xml
index 4cb3698..3c5d3cb 100644
--- a/dev-protocol-springcloud/dev-protocol-springcloud-hystrix/pom.xml
+++ b/dev-protocol-springcloud/dev-protocol-springcloud-hystrix/pom.xml
@@ -35,10 +35,20 @@
org.springframework.cloud
spring-cloud-starter-netflix-hystrix
+
org.projectlombok
lombok
+
+ org.apache.commons
+ commons-lang3
+
+
+ com.alibaba
+ fastjson
+ 1.2.51
+