diff --git a/app/server/db.mjs b/app/server/db.mjs
index 2ede27e..53e8562 100644
--- a/app/server/db.mjs
+++ b/app/server/db.mjs
@@ -733,6 +733,14 @@ function listFootprints(d, query) {
         d.prepare("INSERT INTO footprint_fts(footprint_fts, rowid, search_text) SELECT 'delete', id, search_text FROM footprint WHERE id=?")
           .run(payload.id);
         softDelete(d, 'footprint', payload.id);
+        // 级联清理附件：墓碑（同步到其他端）+ 磁盘原图/缩略图
+        const atts = d.prepare("SELECT * FROM attachment WHERE owner_type='footprint' AND owner_id=? AND deleted_at IS NULL").all(payload.id);
+        for (const a of atts) {
+          softDelete(d, 'attachment', a.id);
+          for (const rel of [a.rel_path, a.thumb_rel_path]) {
+            if (rel) { try { fs.unlinkSync(path.join(DATA_DIR, rel)); } catch {} }
+          }
+        }
       });
       return { ok: true };
     }
diff --git a/scripts/test-integration.mjs b/scripts/test-integration.mjs
index 064882f..3515544 100644
--- a/scripts/test-integration.mjs
+++ b/scripts/test-integration.mjs
@@ -70,6 +70,11 @@ const attThumb = await api(A, 'POST', '/api/attachment_thumb', { id: attAdd.body
 ok(attThumb.body?.data?.data_b64 === Buffer.from('THUMBWEBPDATA').toString('base64'), 'attachment_thumb 返回缩略图内容', attThumb.body);
 const attRead2 = await api(A, 'POST', '/api/attachment_read', { id: attAdd.body?.data?.item?.id }, T);
 ok(attRead2.body?.data?.data_b64 === Buffer.from('ORIGDATA').toString('base64'), 'attachment_read 原图不受影响', attRead2.body);
+// 删除整条记录 → 附件级联清理
+const fpDel = await api(A, 'POST', '/api/footprint_delete', { id: fpId }, T);
+ok(fpDel.body?.ok === true, '删除整条记录');
+const attAfter = await api(A, 'POST', '/api/attachment_list', { owner_id: fpId }, T);
+ok((attAfter.body?.data?.items || []).length === 0, '记录删除后附件级联清空', attAfter.body);
 
 // 邀请码：增
 const c1 = await api(A, 'POST', '/admin/invites/create', { code: 'xiong-friend-2025', remark: '给学弟的码' }, T);
@@ -111,7 +116,7 @@ const login2 = await api(B, 'POST', '/auth/login', { username: 'demo', password:
 ok(login2.status === 200, '重启后 demo 可登录');
 const T2 = login2.body.data.token;
 const fp2 = await api(B, 'POST', '/api/footprint_list', { query: { page: 1, page_size: 50 } }, T2);
-ok(fp2.body?.data?.total === 17, '重启后仍是 17 条（无重复播种）', fp2.body?.data?.total);
+ok(fp2.body?.data?.total === 16, '重启后仍是 16 条（测试足迹已被级联删除）', fp2.body?.data?.total);
 const list2 = (await api(B, 'GET', '/admin/invites', undefined, T2)).body.data.invites;
 ok(list2.some((i) => i.code === 'XIONG-FRIEND-2025'), '邀请码跨重启持久化');