diff --git a/src/main/java/com/github/hcsp/Main.java b/src/main/java/com/github/hcsp/Main.java
index 8952f99..959d60a 100644
--- a/src/main/java/com/github/hcsp/Main.java
+++ b/src/main/java/com/github/hcsp/Main.java
@@ -12,5 +12,6 @@ public static void main(String[] args) {
     public static void updateMessage() {
         // Modify the static variable "message" to "Hi"
         // 将静态成员变量"message"的值改成"Hi"
+        message = "Hi";
     }
 }