diff --git "a/code/\347\254\2548\347\253\240/wordFreqKafkaMysql/pom.xml" "b/code/\347\254\2548\347\253\240/wordFreqKafkaMysql/pom.xml"
old mode 100755
new mode 100644
index 2189d6e..b4e39ad
--- "a/code/\347\254\2548\347\253\240/wordFreqKafkaMysql/pom.xml"
+++ "b/code/\347\254\2548\347\253\240/wordFreqKafkaMysql/pom.xml"
@@ -25,7 +25,7 @@
 		<dependency><!-- Mysql -->
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>5.1.31</version>
+			<version>8.0.28</version>
 		</dependency>
 		<dependency>
 			<groupId>c3p0</groupId>