diff --git a/Chapter3-2-1/src/main/resources/application.properties b/Chapter3-2-1/src/main/resources/application.properties
old mode 100755
new mode 100644
index b970c65..4215c2c
--- a/Chapter3-2-1/src/main/resources/application.properties
+++ b/Chapter3-2-1/src/main/resources/application.properties
@@ -1,4 +1,4 @@
-spring.datasource.url=jdbc:mysql://localhost:3306/test
-spring.datasource.username=root
-spring.datasource.password=52261340
+spring.datasource.url=jdbc:mysql://localhost:3306/test
+spring.datasource.username=root
+spring.datasource.password=root
 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
\ No newline at end of file