diff --git a/hub/filelib-web/src/lib/GrantsPanel.svelte b/hub/filelib-web/src/lib/GrantsPanel.svelte
index 94fe25c..b1d97e7 100644
--- a/hub/filelib-web/src/lib/GrantsPanel.svelte
+++ b/hub/filelib-web/src/lib/GrantsPanel.svelte
@@ -240,7 +240,10 @@
   {:else if shown === null}
     <div class="quiet py-[18px] text-center">加载中…</div>
   {:else}
-    <table class="list">
+    <!-- 内容不可断行(头像名/id/日期/下拉)可能超宽:溢出时横向滚动,
+         而不是把表格挤变形或顶出 panel 右边界(文件预览打开时主区变窄)。 -->
+    <div class="overflow-x-auto">
+      <table class="list">
       <thead>
         <tr>
           <th class="whitespace-nowrap pr-4">成员</th>
@@ -295,7 +298,7 @@
                 {/if}
               </td>
               <td class="file-meta whitespace-nowrap pr-4">{fmtDate(g.createdAt)}</td>
-              <td class="whitespace-nowrap text-right">
+              <td class="whitespace-nowrap pr-2 text-right">
                 {#if !g.isCreatorGrant && canManage}
                   <button class="link-danger inline-flex items-center gap-1" onclick={() => void revoke(g)}>
                     <Icon name="trash" size={12} /> 删除
@@ -306,7 +309,8 @@
           {/each}
         {/if}
       </tbody>
-    </table>
+      </table>
+    </div>
   {/if}
 </div>