diff --git a/springLearn202503/src/main/java/com/sec/Main.java b/springLearn202503/src/main/java/com/sec/Main.java
index 9b0250f..424644d 100644
--- a/springLearn202503/src/main/java/com/sec/Main.java
+++ b/springLearn202503/src/main/java/com/sec/Main.java
@@ -12,11 +12,12 @@ import java.sql.*;
 //TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
 // click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
 public class Main {
+    static String driver = "com.mysql.jdbc.Driver";
+    static String url = "jdbc:mysql://47.103.155.22:3306/learn_spring";
+    static String user = "root";
+    static String password = "mysql_wafeYX";
     public static void main(String[] args) {
-        String driver = "com.mysql.jdbc.Driver";
-        String url = "jdbc:mysql://47.103.155.22:3306/learn_spring";
-        String user = "root";
-        String password = "mysql_wafeYX";
+
 //        ApplicationContext application=new ClassPathXmlApplicationContext("application.xml");
         ClassPathXmlApplicationContext application=new ClassPathXmlApplicationContext("application.xml");
         UserDao userDao1 = (UserDao)application.getBean("UserDao");
diff --git a/springLearn202503/target/classes/com/sec/Main.class b/springLearn202503/target/classes/com/sec/Main.class
index b46fdf9..f2135f1 100644
Binary files a/springLearn202503/target/classes/com/sec/Main.class and b/springLearn202503/target/classes/com/sec/Main.class differ