diff --git a/App.java b/App.java
new file mode 100644
index 0000000..48fc5b0
--- /dev/null
+++ b/App.java
@@ -0,0 +1,13 @@
+package com.example;
+
+public class App {
+    public static void main(String[] args) {
+        System.out.println("Hello CodeArts Build!");
+        System.out.println("构建时间: " + new java.util.Date());
+    }
+
+    // 一个简单的业务方法，用于单元测试验证
+    public int add(int a, int b) {
+        return a + b;
+    }
+}
\ No newline at end of file