diff --git a/public/script.js b/public/script.js
index 2d1e6cc..6d5948a 100644
--- a/public/script.js
+++ b/public/script.js
@@ -13,7 +13,6 @@ $(document).ready(function() {
     $('#form1').submit(function(event) {
         event.preventDefault();
         const username = $('#register-username').val().trim();
-        const email = $('#register-email').val().trim(); // 不用于后台，只是前端展示
         const password = $('#register-password').val().trim();
 
         if (!username || !password) {