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..c942494
--- a/spring-boot2-study/spring-boot2-parent/pom.xml
+++ b/spring-boot2-study/spring-boot2-parent/pom.xml
@@ -162,7 +162,7 @@
 			<dependency>
 				<groupId>com.google.code.gson</groupId>
 				<artifactId>gson</artifactId>
-				<version>2.8.5</version>
+				<version>2.8.9</version>
 			</dependency>
 			<!-- AES 处理微信解密数据 -->
 			<dependency>