diff --git a/hello.c b/hello.c
new file mode 100644
index 0000000..fce69a1
--- /dev/null
+++ b/hello.c
@@ -0,0 +1,13 @@
+int add(int a, int b) {
+    return a + b;
+}
+
+
+
+
+int main() {
+    MathFunc f = add; // 将加法函数赋值给函数指针
+    int result = f(3, 5); // 通过函数指针调用加法函数
+    printf("3 + 5 = %d\n", result); // 输出：3 + 5 = 8
+    return 0;
+}
\ No newline at end of file