diff --git a/yaa.js b/yaa.js
index 00f75a1..547de0b 100644
--- a/yaa.js
+++ b/yaa.js
@@ -1,4 +1,4 @@
-function alertmsg() {
+function alertmsg(yaa) {
     alert("やあ");
 }
 function addidmsg(ev) {