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..174aeff
--- a/spring-boot2-study/spring-boot2-parent/pom.xml
+++ b/spring-boot2-study/spring-boot2-parent/pom.xml
@@ -108,7 +108,7 @@
 				<groupId>mysql</groupId>
 				<artifactId>mysql-connector-java</artifactId>
 				<scope>runtime</scope>
-				<version>5.1.41</version>
+				<version>8.0.28</version>
 			</dependency>
 			<!-- 为应用提供一些开发时特性，包括默认值设置，自动重启，livereload等 -->
 			<dependency>