diff --git a/JS/ECMA/types/Error.md b/JS/ECMA/types/Error.md
index 6f887ac..e4b8e88 100644
--- a/JS/ECMA/types/Error.md
+++ b/JS/ECMA/types/Error.md
@@ -162,8 +162,8 @@ window.onerror = function(message,url,line){
     alert(message);
 }
 //DOM2级
-window.addEventListener("error",function(message,url,line){
-    alert(message);
+window.addEventListener("error",function(event){
+    alert(event.message);
 });</pre>
 </div>