diff --git a/sidepanel/sidepanel.html b/sidepanel/sidepanel.html
index 0248a0b..bbae193 100644
--- a/sidepanel/sidepanel.html
+++ b/sidepanel/sidepanel.html
@@ -167,8 +167,8 @@
       <div class="data-row" id="row-mail-2925-mode" style="display:none;">
         <span class="data-label">2925 模式</span>
         <div id="mail-2925-mode-group" class="choice-group" role="group" aria-label="2925 邮箱模式">
-          <button type="button" class="choice-btn" data-mail-2925-mode="provide">提供邮箱</button>
-          <button type="button" class="choice-btn" data-mail-2925-mode="receive">接收邮箱</button>
+          <button type="button" class="choice-btn" data-mail2925-mode="provide">提供邮箱</button>
+          <button type="button" class="choice-btn" data-mail2925-mode="receive">接收邮箱</button>
         </div>
       </div>
       <div class="data-row" id="row-email-generator">
diff --git a/sidepanel/sidepanel.js b/sidepanel/sidepanel.js
index 704767e..85cc959 100644
--- a/sidepanel/sidepanel.js
+++ b/sidepanel/sidepanel.js
@@ -67,7 +67,7 @@ const inputSub2ApiGroup = document.getElementById('input-sub2api-group');
 const selectMailProvider = document.getElementById('select-mail-provider');
 const btnMailLogin = document.getElementById('btn-mail-login');
 const rowMail2925Mode = document.getElementById('row-mail-2925-mode');
-const mail2925ModeButtons = Array.from(document.querySelectorAll('[data-mail-2925-mode]'));
+const mail2925ModeButtons = Array.from(document.querySelectorAll('[data-mail2925-mode]'));
 const rowEmailGenerator = document.getElementById('row-email-generator');
 const selectEmailGenerator = document.getElementById('select-email-generator');
 const rowTempEmailBaseUrl = document.getElementById('row-temp-email-base-url');