diff --git a/Example/App_go/go.mod b/Example/App_go/go.mod
new file mode 100644
index 0000000..fc1f48c
--- /dev/null
+++ b/Example/App_go/go.mod
@@ -0,0 +1,5 @@
+module github.com/ddxoft/master/Example/App_go
+
+go 1.22.1
+
+require golang.org/x/sys v0.18.0
diff --git a/Example/App_go/go.sum b/Example/App_go/go.sum
new file mode 100644
index 0000000..3ef669d
--- /dev/null
+++ b/Example/App_go/go.sum
@@ -0,0 +1,2 @@
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
diff --git a/Example/App_go/main.go b/Example/App_go/main.go
new file mode 100644
index 0000000..e1a03ba
--- /dev/null
+++ b/Example/App_go/main.go
@@ -0,0 +1,38 @@
+package main
+
+import (
+	"fmt"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var (
+	dd  = windows.NewLazyDLL("./dd.dll")
+	btn = dd.NewProc("DD_btn")
+	key = dd.NewProc("DD_key")
+	str = dd.NewProc("DD_str")
+)
+
+func main() {
+	fmt.Println("Load DD!")
+
+	rt, _, _ := btn.Call(0)
+	if rt == 1 {
+		fmt.Println("ok")
+	} else {
+		fmt.Println("load failed")
+	}
+
+	key.Call(601, 1) // 1==down, 601=Left.Win (dd key code)
+	key.Call(601, 2) // 2=up
+
+	ptr, err := windows.BytePtrFromString("123@aBc")
+	if err != nil {
+		panic(err)
+	}
+	rt, _, _ = str.Call(uintptr(unsafe.Pointer(ptr)))
+	if rt != 1 {
+		panic("input failed")
+	}
+}