diff --git a/sidepanel/sidepanel.html b/sidepanel/sidepanel.html
index 9b70f74..3db3046 100644
--- a/sidepanel/sidepanel.html
+++ b/sidepanel/sidepanel.html
@@ -110,6 +110,14 @@
 
   <section id="data-section">
     <div id="settings-card" class="data-card">
+      <div class="data-row">
+        <span class="data-label">Flow</span>
+        <select id="select-flow" class="data-select" aria-label="Flow 选择">
+          <option value="codex" selected>codex</option>
+          <option value="pending-1" disabled>待添加</option>
+          <option value="pending-2" disabled>待添加</option>
+        </select>
+      </div>
       <div class="data-row">
         <span class="data-label">来源</span>
         <select id="select-panel-mode" class="data-select">