diff --git a/docs/features/document-processing/ui-design.md b/docs/features/document-processing/ui-design.md
index 73ea2de8..35a24e1e 100644
--- a/docs/features/document-processing/ui-design.md
+++ b/docs/features/document-processing/ui-design.md
@@ -64,7 +64,7 @@
 | 草稿图片，发送原图 | 打开原图；已有 OCR 结果时可查看 | 提取图片文字、移除 |
 | 草稿图片，发送提取文字 | 查看解析结果、打开原图 | 改为发送原图、使用当前设置重新提取文字、移除 |
 | 历史消息附件 | 查看已保存结果、打开原件 | 需要重解析或改变发送方式时先添加到当前可编辑草稿；不修改原消息 |
-| 已入队附件 | 查看入队时冻结的结果与发送方式 | 修改整条输入使用“恢复到草稿”，按 L-H7 合并；不直接修改队列附件 |
+| 已入队附件 | 仅有附件时显示“查看附件”，查看入队时冻结的结果与发送方式；无附件时隐藏入口 | 修改整条输入使用“恢复到草稿”，按 L-H7 合并；不直接修改队列附件 |
 | 知识文档 | 查看解析结果、打开来源、管理分块 | 使用当前设置重新解析；失败时使用重试，不再并列一个同义重解析按钮；来源同步仍属于来源级操作 |
 | 设置测试结果 | 查看正文、图片、详情及原件 | 重新测试、关闭；没有加入草稿、知识库或发送操作 |
 
diff --git a/src/main/assistant/assistant-database.test.ts b/src/main/assistant/assistant-database.test.ts
index ba559e1c..fe6d68ad 100644
--- a/src/main/assistant/assistant-database.test.ts
+++ b/src/main/assistant/assistant-database.test.ts
@@ -4618,6 +4618,22 @@ describe('AssistantDatabase', () => {
       }
     ])
 
+    for (const [payload, hasAttachments] of [
+      [{ prompt: 'text' }, false],
+      [{ input: { attachments: [] } }, false],
+      [{ input: { attachments: [{ id: 'attachment' }] } }, true],
+      [{ attachments: [{ id: 'attachment' }] }, true]
+    ] as const) {
+      const queued = initial.enqueueConversationUserInput({
+        conversationId,
+        label: 'Attachment visibility',
+        payloadJson: JSON.stringify(payload)
+      })
+      expect(queued.hasAttachments).toBe(hasAttachments)
+      expect(initial.listConversationQueueItems(conversationId)[0]?.hasAttachments).toBe(hasAttachments)
+      initial.cancelConversationQueueItem(queued.id)
+    }
+
     const first = initial.enqueueConversationUserInput({
       conversationId,
       label: '第一条消息',
diff --git a/src/main/assistant/assistant-database.ts b/src/main/assistant/assistant-database.ts
index 1852489d..0e2f3225 100644
--- a/src/main/assistant/assistant-database.ts
+++ b/src/main/assistant/assistant-database.ts
@@ -782,7 +782,18 @@ function toSchedule(row: ScheduleWithTaskRow): AssistantSchedule {
 function toConversationQueueItem(
   row: ConversationQueueRow
 ): ConversationQueueItem {
+  let hasAttachments = false
+  if (row.source === 'user' && row.payload_json) {
+    try {
+      const payload = JSON.parse(row.payload_json)
+      const input = payload?.input ?? payload
+      hasAttachments = Array.isArray(input?.attachments) && input.attachments.length > 0
+    } catch {
+      // Invalid queued payloads are reported when previewed or dispatched.
+    }
+  }
   return {
+    hasAttachments,
     id: row.id,
     conversationId: row.conversation_id,
     source: row.source,
diff --git a/src/renderer/src/App.tsx b/src/renderer/src/App.tsx
index 4ea1516b..d168eeef 100644
--- a/src/renderer/src/App.tsx
+++ b/src/renderer/src/App.tsx
@@ -311,6 +311,7 @@ function sameConversationQueueItems(
         item.id === candidate.id &&
         item.conversationId === candidate.conversationId &&
         item.source === candidate.source &&
+        item.hasAttachments === candidate.hasAttachments &&
         item.label === candidate.label &&
         item.createdAt === candidate.createdAt &&
         item.scheduleRunId === candidate.scheduleRunId &&
diff --git a/src/renderer/src/ConversationInputQueue.test.tsx b/src/renderer/src/ConversationInputQueue.test.tsx
index fa8d26f7..dc205a29 100644
--- a/src/renderer/src/ConversationInputQueue.test.tsx
+++ b/src/renderer/src/ConversationInputQueue.test.tsx
@@ -81,6 +81,19 @@ describe('ConversationInputQueue', () => {
     )
   })
 
+  it.each([undefined, false, true])('shows attachment preview only for attached inputs (%s)', (hasAttachments) => {
+    render(
+      <ConversationInputQueue
+        items={[{ ...items[1]!, hasAttachments }]}
+        onError={vi.fn()}
+        onInterruptAndRun={vi.fn()}
+        onRemove={vi.fn()}
+        running={false}
+      />
+    )
+    expect(screen.queryByTitle('查看附件') !== null).toBe(hasAttachments === true)
+  })
+
   it('uses run-now wording while idle and reports action errors', async () => {
     const onError = vi.fn()
     render(
diff --git a/src/renderer/src/ConversationInputQueue.tsx b/src/renderer/src/ConversationInputQueue.tsx
index ecbf8dbd..933c9875 100644
--- a/src/renderer/src/ConversationInputQueue.tsx
+++ b/src/renderer/src/ConversationInputQueue.tsx
@@ -93,7 +93,7 @@ export const ConversationInputQueue = memo(
                   {item.error && <small className="knowledge-inline-error" role="alert">{item.error}</small>}
                 </span>
                 <span className="conversation-input-queue__actions">
-                  {item.source === 'user' && <button type="button" aria-label={`查看入队附件：${item.label}`} title="查看附件" onClick={() => setViewing(item.id)}><Paperclip aria-hidden="true" size={13} /><span>查看附件</span></button>}
+                  {item.source === 'user' && item.hasAttachments && <button type="button" aria-label={`查看入队附件：${item.label}`} title="查看附件" onClick={() => setViewing(item.id)}><Paperclip aria-hidden="true" size={13} /><span>查看附件</span></button>}
                   {onRestore && item.source === 'user' && <button type="button" disabled={pendingAction !== undefined} aria-label={`恢复到草稿：${item.label}`} title="恢复到草稿" onClick={() => void runAction(item.id, 'restore', () => onRestore(item.id))}><Undo2 aria-hidden="true" size={13} /><span>恢复到草稿</span></button>}
                   <button
                     aria-label={t(
diff --git a/src/shared/assistant-contracts.ts b/src/shared/assistant-contracts.ts
index 13bd6975..6d9711e4 100644
--- a/src/shared/assistant-contracts.ts
+++ b/src/shared/assistant-contracts.ts
@@ -200,6 +200,7 @@ export type ConversationAttachment = z.infer<
 
 export const conversationQueueItemSchema = z
   .object({
+    hasAttachments: z.boolean().optional(),
     error: z.string().max(1000).optional(),
     id: assistantIdSchema,
     conversationId: assistantIdSchema,