diff --git a/client/index.html b/client/index.html
index 9872d5e..b620792 100644
--- a/client/index.html
+++ b/client/index.html
@@ -23,7 +23,6 @@
         <span slot="headline">错误</span>
         <span slot="description" id="ErrorDialog_Message"></span>
     </mdui-dialog>
-    <input style="display: none;" id="copy_to_clipboard_fallback"></input>
 
     <script nomodule>
         alert('很抱歉, 此应用无法在较旧的浏览器运行, 请使用基于 Chromium 89+ 的浏览器(内核)使用 :(')