diff --git a/index.html b/index.html
index a9f0259..8a4e2eb 100644
--- a/index.html
+++ b/index.html
@@ -11,6 +11,13 @@
     <div id="app">
       <div id="app-loading"></div>
     </div>
+    <script>
+      // Tip: Simple judgments may not fully cover
+      if (/MSIE\s|Trident\//.test(window.navigator.userAgent)) {
+        document.body.innerHTML =
+          "<strong>Sorry, this browser is currently not supported. We recommend using the latest version of a modern browser. For example, Chrome/Firefox/Edge.</strong>"
+      }
+    </script>
     <script type="module" src="/src/main.ts"></script>
   </body>
 </html>