diff --git a/RocketMQ/code/rocketmq/pom.xml b/RocketMQ/code/rocketmq/pom.xml
old mode 100755
new mode 100644
index 6e5f9ef..0ea2f58
--- a/RocketMQ/code/rocketmq/pom.xml
+++ b/RocketMQ/code/rocketmq/pom.xml
@@ -600,7 +600,7 @@
             <dependency>
                 <groupId>org.apache.logging.log4j</groupId>
                 <artifactId>log4j-core</artifactId>
-                <version>2.7</version>
+                <version>2.16.0</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.logging.log4j</groupId>