diff --git a/lib/RegisterPage.dart b/lib/RegisterPage.dart
index 22ee608..454ac3f 100644
--- a/lib/RegisterPage.dart
+++ b/lib/RegisterPage.dart
@@ -182,7 +182,7 @@ class _RegisterPageState extends State<RegisterPage> {
 
       if (result.rows.isNotEmpty) {
         ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(content: Text('登入失敗：帳號或密碼錯誤')),
+          SnackBar(content: Text('註冊失敗：電子信箱已被使用，請嘗試更換電子信箱')),
         );
       } else {
         await conn.execute(