diff --git a/spring-boot2-study/spring-boot2-parent/spring-boot2-distributed-id-core-leafid/pom.xml b/spring-boot2-study/spring-boot2-parent/spring-boot2-distributed-id-core-leafid/pom.xml
index 616739d..6388f75 100644
--- a/spring-boot2-study/spring-boot2-parent/spring-boot2-distributed-id-core-leafid/pom.xml
+++ b/spring-boot2-study/spring-boot2-parent/spring-boot2-distributed-id-core-leafid/pom.xml
@@ -34,7 +34,7 @@
 		<dependency>
 			<groupId>commons-io</groupId>
 			<artifactId>commons-io</artifactId>
-			<version>2.4</version>
+			<version>2.7</version>
 		</dependency>
 		<!--zk要用到 -->
 		<dependency>