fix: title

index.html

@@ -10,7 +10,7 @@
         '<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0' +
         (coverSupport ? ', viewport-fit=cover' : '') + '" />')
     </script>
-    <title></title>
+    <title>商城</title>
     <!--preload-links-->
     <!--app-context-->
   </head>