diff --git a/src/main/java/com/github/hcsp/Main.java b/src/main/java/com/github/hcsp/Main.java
index 8952f99..0009d95 100644
--- a/src/main/java/com/github/hcsp/Main.java
+++ b/src/main/java/com/github/hcsp/Main.java
@@ -10,6 +10,7 @@ public static void main(String[] args) {
     }
 
     public static void updateMessage() {
+        message = "Hi";
         // Modify the static variable "message" to "Hi"
         // 将静态成员变量"message"的值改成"Hi"
     }