Update assets/custom.js

assets/custom.js

@@ -19,16 +19,16 @@ var ga = document.getElementsByTagName("gradio-app");
 var targetNode = ga[0];
 var isInIframe = (window.self !== window.top);
 
-document.addEventListener('load',function(){
+window.onload = function (){
   if (document.title) {
       console.log(document.title)
-      htmlTitle = 'Welcome to ZJunChat📡';
+      document.title = 'Welcome to ZJunChat📡';
       console.log(document.title)
   } else {
       console.log('no title')
       console.log(document.title)
-   }       
-})
+   }   
+ }
 
 
 // gradio 页面加载好了么??? 我能动你的元素了么??