fix: 修改手机端看板跳转时出现的网址

@@ -13,7 +13,7 @@
       name="viewport"
       content="width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=0"
     />
-    <title></title>
+    <title>&lrm;</title>
     <link rel="icon" href="/favicon.ico" />
   </head>
 

@@ -88,6 +88,7 @@ export const usePlatform = async () => {
   };
 
   const setTitle = () => {
+    if (!platformInfo.name) return;
     document.title = platformInfo.name || '';
   };