Update assets/custom.js

assets/custom.js

@@ -62,10 +62,10 @@ function gradioLoaded(mutations) {
             if (ZJun_footer) {
               ZJun_footer.innerHTML = "<p>由<a href='https://zjun.xyz'>ZJun纸菌📡</a>Recode<p>基于@chuanhu和chatGPT3.5-turbo</p></p>";
               // 获取标题元素
-              var titleElement = document.querySelector('head title');
               var zjunTitle = 'Welcome to ZJunChat📡'
               // 每隔100毫秒检查一次标题是否已更改
               var interval = setInterval(function () {
+                var titleElement = document.querySelector('head title');
                 // 检查当前标题是否等于新标题
                 if (document.title !== zjunTitle) {
                 // 如果不等于，就将标题设置为新标题