diff --git a/docs/index.html b/docs/index.html
index 28f54202c..76a984d30 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -20,7 +20,7 @@
         <div class="part-left">
             <div class="controls">
                 <div class="menus">
-                    menu
+                    ArtPlay.js
                 </div>
                 <input class="run" type="button" value="Run Code">
             </div>
diff --git a/docs/js/index.js b/docs/js/index.js
index f5bee1c4d..e16fc223d 100644
--- a/docs/js/index.js
+++ b/docs/js/index.js
@@ -27,6 +27,10 @@ function initApp(app) {
     });
 }
 
+window.addEventListener('error', e => {
+    log(e.message);
+});
+
 function runCode() {
     try {
         Artplayer.instances.forEach(ins => {