diff --git a/README.md b/README.md
index b9ae941..5a9199f 100644
--- a/README.md
+++ b/README.md
@@ -175,7 +175,7 @@ import (
 )
 
 func main() {
-  Println("test")
+  //Println("test")
   abool := robotgo.ShowAlert("test", "robotgo")
   if abool == 0 {
  	  Println("ok@@@", "ok")
diff --git a/README_zh.md b/README_zh.md
index 3861ec0..4852e8e 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -171,7 +171,7 @@ import (
 )
 
 func main() {
-  Println("test")
+  //Println("test")
   abool := robotgo.ShowAlert("test", "robotgo")
   if abool == 0 {
     Println("ok@@@", "ok")
diff --git a/doc.md b/doc.md
index 94eac53..83888e4 100644
--- a/doc.md
+++ b/doc.md
@@ -388,4 +388,5 @@ func main() {
 
 ####Return:
 
-   Returns 0(True) if the default button was pressed, or 1(False) if cancelled.   
+   Returns 0(True) if the default button was pressed, or 1(False) if cancelled. 
+     
diff --git a/test/main.go b/test/main.go
index 8c936c5..3c8a96f 100644
--- a/test/main.go
+++ b/test/main.go
@@ -7,6 +7,11 @@ import (
 )
 
 func aRobotgo() {
+	abool := robotgo.ShowAlert("test", "robotgo")
+	if abool == 0 {
+		Println("ok@@@", "ok")
+	}
+
 	x, y := robotgo.GetMousePos()
 	Println("pos:", x, y)
 
diff --git a/window/goWindow.h b/window/goWindow.h
index cba518d..6dd1108 100644
--- a/window/goWindow.h
+++ b/window/goWindow.h
@@ -6,4 +6,4 @@ int aShowAlert(const char *title, const char *msg, const char *defaultButton,
 	int alert=showAlert(title,msg,defaultButton,cancelButton);
 
 	return alert;
-}
\ No newline at end of file
+}
diff --git a/window/window.h b/window/window.h
index e69de29..54090d9 100644
--- a/window/window.h
+++ b/window/window.h
@@ -0,0 +1,7 @@
+#if defined(IS_MACOSX)
+//
+#elif defined(USE_X11)
+//
+#elif defined(IS_WINDOWS)
+//	
+#endif
\ No newline at end of file
diff --git a/zh_doc.md b/zh_doc.md
index 800d803..c902a3e 100644
--- a/zh_doc.md
+++ b/zh_doc.md
@@ -402,4 +402,5 @@ func main() {
 
 ####Return:
 
-   Returns 0(True) if the default button was pressed, or 1(False) if cancelled. 
\ No newline at end of file
+   Returns 0(True) if the default button was pressed, or 1(False) if cancelled.
+   
\ No newline at end of file