diff --git a/spring-boot2-study/spring-boot2-parent/pom.xml b/spring-boot2-study/spring-boot2-parent/pom.xml
old mode 100755
new mode 100644
index d1a3cd0..015d375
--- a/spring-boot2-study/spring-boot2-parent/pom.xml
+++ b/spring-boot2-study/spring-boot2-parent/pom.xml
@@ -207,7 +207,7 @@
 			<dependency>
 				<groupId>commons-io</groupId>
 				<artifactId>commons-io</artifactId>
-				<version>2.6</version>
+				<version>2.7</version>
 			</dependency>
 			<dependency>
 				<groupId>io.quarkus</groupId>
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>