diff --git a/scripts/load_path.py b/scripts/load_path.py
index 29fee8b..899b719 100644
--- a/scripts/load_path.py
+++ b/scripts/load_path.py
@@ -42,6 +42,8 @@ PATHS_LOGINED = [
     f"/{MOD}/api/ticket_followup.dspy",
     f"/{MOD}/api/ticket_confirm.dspy",
     f"/{MOD}/api/ticket_cancel.dspy",
+    # 附件打开/下载（服务端 get_attachment_file 按 I5 可见性校验）
+    f"/{MOD}/api/ticket_attachment.dspy",
     # staff 侧 API（服务端 _check_staff_access 按工单 assignee_role 动态校验）
     f"/{MOD}/api/staff_tickets.dspy",
     f"/{MOD}/api/ticket_claim.dspy",
diff --git a/ticket/core.py b/ticket/core.py
index 38ceba1..1785cad 100644
--- a/ticket/core.py
+++ b/ticket/core.py
@@ -15,6 +15,7 @@
 import datetime
 import json
 import logging
+import os
 
 from appPublic.uniqueID import getID
 from sqlor.dbpools import DBPools
@@ -26,6 +27,9 @@ DBNAME_FALLBACK = 'pipeline'
 
 AGENT_USER = 'agent.ticket'
 
+# 附件约束：单消息最多 9 个（前端同步拦截；client_max_size=100MB 兜底总量）
+MAX_ATTACHMENTS = 9
+
 # ── 状态集 ──
 S_NEW = 'new'
 S_AGENT_PROCESSING = 'agent_processing'
@@ -132,6 +136,132 @@ async def _add_message(sor, ticket_id, sender_type, sender_id, sender_role,
     await sor.sqlExe("COMMIT", {})
 
 
+# ══════════════════ 附件（FileStorage/idfile 机制，设计文档 §8） ══════════════════
+
+def _filestorage():
+    from ahserver.filestorage import FileStorage
+    return FileStorage()
+
+
+def normalize_attachments(raw):
+    """把上传附件规整为 [{id,name,webpath,size}]（服务端生成，不信任客户端）。
+
+    raw 形态：str（单个 webpath 或 JSON 数组字符串）/ list[webpath|dict]
+    （multipart 多文件同名字段被 ahserver getPostData 聚合为 list）/ dict / None。
+    校验：webpath 必须是 FileStorage 落盘的相对路径（'/' 开头、无 '..'）、
+    真实存在、不越出 filesroot；并调 tfr.file_useful 把文件从临时清理队列摘除
+    （multipart 上传默认 1 小时后被当临时文件删掉——工单附件必须持久）。
+    返回 (items, err)；err 为 (code,msg) 或 None。
+    """
+    if not raw:
+        return [], None
+    if isinstance(raw, (str, dict)):
+        raw = [raw]
+    if not isinstance(raw, list):
+        return [], ('TK_E014', '附件参数格式无效')
+    # 兼容旧前端契约：JSON 数组字符串 '["/xx/a.png"]' 或 '[{"webpath":...}]'
+    if len(raw) == 1 and isinstance(raw[0], str) and raw[0].strip().startswith('['):
+        try:
+            parsed = json.loads(raw[0])
+            if isinstance(parsed, list):
+                raw = parsed
+        except Exception:
+            pass
+    if len(raw) > MAX_ATTACHMENTS:
+        return [], ('TK_E014', '单条消息最多上传 %d 个附件' % MAX_ATTACHMENTS)
+    items = []
+    fs = None
+    for it in raw:
+        if isinstance(it, dict):
+            wp = str(it.get('webpath') or it.get('path') or '').strip()
+            name = str(it.get('name') or '').strip()
+        else:
+            wp = str(it or '').strip()
+            name = ''
+        if not wp:
+            continue
+        if not wp.startswith('/') or '..' in wp:
+            return [], ('TK_E014', '附件路径无效：%s' % wp[:80])
+        try:
+            if fs is None:
+                fs = _filestorage()
+            real = fs.realPath(wp)
+            root = os.path.realpath(fs.root)
+            if not os.path.realpath(real).startswith(root + os.sep) \
+                    or not os.path.isfile(real):
+                return [], ('TK_E014', '附件文件不存在或路径非法：%s' % os.path.basename(wp)[:80])
+            size = os.path.getsize(real)
+            try:
+                fs.tfr.file_useful(wp)  # 持久化：从临时文件清理队列摘除
+            except Exception:
+                pass
+        except Exception as e:
+            return [], ('TK_E014', '附件校验失败：%s' % str(e)[:100])
+        if not name:
+            name = os.path.basename(wp)
+        items.append({'id': getID(), 'name': name[:200],
+                      'webpath': wp, 'size': int(size)})
+    return items, None
+
+
+def parse_attachments(raw):
+    """tk_messages.attachments 列（JSON 字符串）→ list；容错返回 []。"""
+    if not raw:
+        return []
+    if isinstance(raw, list):
+        return raw
+    try:
+        v = json.loads(raw)
+        return v if isinstance(v, list) else []
+    except Exception:
+        return []
+
+
+async def get_attachment_file(msg_id, att_id, user_id, org_id):
+    """附件打开/下载：按消息+附件 id 取文件，I5 可见性校验。
+
+    客户只能取 visibility='customer' 消息的附件；staff/admin 全量。
+    返回 (True, (realpath, filename)) 或 (False, (code, msg))。
+    """
+    db = _get_db()
+    async with db.sqlorContext(_dbname()) as sor:
+        roles = await get_user_roles(sor, user_id)
+        recs = await sor.sqlExe(
+            "SELECT id, ticket_id, attachments, visibility FROM tk_messages WHERE id=${i}$",
+            {"i": str(msg_id or '')})
+        await sor.sqlExe("COMMIT", {})
+        if not recs:
+            return False, E_NOT_FOUND
+        m = recs[0]
+        t = await _load_ticket(sor, str(getattr(m, 'ticket_id', '') or ''))
+        if not t:
+            return False, E_NOT_FOUND
+        is_staff_view = await _check_staff_access(sor, t, user_id, roles) or _is_admin(roles)
+        if not is_staff_view:
+            if not await _check_customer_access(sor, t, user_id, org_id, roles):
+                return False, E_NOT_FOUND
+            if str(getattr(m, 'visibility', '')) != 'customer':
+                return False, E_NOT_FOUND
+    atts = parse_attachments(getattr(m, 'attachments', ''))
+    target = None
+    for a in atts:
+        if isinstance(a, dict) and str(a.get('id', '')) == str(att_id or ''):
+            target = a
+            break
+    if not target:
+        return False, ('TK_E015', '附件不存在')
+    wp = str(target.get('webpath', '') or '')
+    if not wp.startswith('/') or '..' in wp:
+        return False, ('TK_E014', '附件路径无效')
+    fs = _filestorage()
+    real = fs.realPath(wp)
+    root = os.path.realpath(fs.root)
+    if not os.path.realpath(real).startswith(root + os.sep) or not os.path.isfile(real):
+        return False, ('TK_E015', '附件文件已丢失，请联系平台运维')
+    fname = str(target.get('name', '') or os.path.basename(wp))
+    return True, (real, fname)
+
+
 async def _add_transfer(sor, ticket_id, action, from_role='', from_user='',
                         to_role='', to_user='', reason='', operator_id=''):
     await sor.C('tk_transfers', {
@@ -189,7 +319,11 @@ def _rec_to_dict(rec):
 
 async def create_ticket(user_id, org_id, title, description, category='other',
                         priority='normal', attachments=None):
-    """R1 客户建单。返回 (True, ticket dict) 或 (False, (code, msg))。"""
+    """R1 客户建单。返回 (True, ticket dict) 或 (False, (code, msg))。
+
+    attachments: 客户端上传后的 FileStorage webpath（str 或 list），
+    服务端 normalize_attachments 校验+规整为 [{id,name,webpath,size}]。
+    """
     title = (title or '').strip()
     description = (description or '').strip()
     if not title:
@@ -198,6 +332,9 @@ async def create_ticket(user_id, org_id, title, description, category='other',
         return False, ('TK_E011', '请填写问题描述')
     if not user_id:
         return False, ('TK_E012', '请先登录')
+    atts, att_err = normalize_attachments(attachments)
+    if att_err:
+        return False, att_err
 
     db = _get_db()
     async with db.sqlorContext(_dbname()) as sor:
@@ -237,7 +374,7 @@ async def create_ticket(user_id, org_id, title, description, category='other',
             return False, ('TK_E013', '工单编号生成冲突，请重试')
 
         await _add_message(sor, tid, 'customer', user_id, '', description,
-                           attachments=attachments)
+                           attachments=atts or None)
         logger.info("ticket created: %s (%s) by %s", tid, no, user_id)
         return True, {'id': tid, 'ticket_no': no, 'status': S_NEW}
 
@@ -250,12 +387,15 @@ async def _check_customer_access(sor, t, user_id, org_id, roles):
            (org_id and str(getattr(t, 'customer_org_id', '')) == str(org_id))
 
 
-async def ticket_followup(ticket_id, user_id, org_id, content):
+async def ticket_followup(ticket_id, user_id, org_id, content, attachments=None):
     """T6/T10 客户追问。agent_replied→agent_processing（超限转人工）；
-    staff_replied→human_processing（回当前受理人）。"""
+    staff_replied→human_processing（回当前受理人）。可带附件。"""
     content = (content or '').strip()
     if not content:
         return False, ('TK_E010', '请填写追问内容')
+    atts, att_err = normalize_attachments(attachments)
+    if att_err:
+        return False, att_err
     db = _get_db()
     async with db.sqlorContext(_dbname()) as sor:
         roles = await get_user_roles(sor, user_id)
@@ -266,7 +406,8 @@ async def ticket_followup(ticket_id, user_id, org_id, content):
         if status not in (S_AGENT_REPLIED, S_STAFF_REPLIED):
             return False, ('TK_E002', '工单当前状态为 %s，不能追问（需状态 agent_replied/staff_replied）' % status)
 
-        await _add_message(sor, ticket_id, 'customer', user_id, '', content)
+        await _add_message(sor, ticket_id, 'customer', user_id, '', content,
+                           attachments=atts or None)
 
         if status == S_STAFF_REPLIED:
             # T10：回当前受理人（human_processing，assignee 不变）
@@ -380,11 +521,16 @@ async def ticket_claim(ticket_id, user_id):
         return True, {'status': S_HUMAN_PROCESSING, 'message': '认领成功'}
 
 
-async def ticket_staff_reply(ticket_id, user_id, content, internal=False):
-    """T8 人工回复：human_processing → staff_replied。internal=True 只记内部备注不迁状态。"""
+async def ticket_staff_reply(ticket_id, user_id, content, internal=False,
+                             attachments=None):
+    """T8 人工回复：human_processing → staff_replied。internal=True 只记内部备注不迁状态。
+    可带附件（客户可见回复与内部备注均可）。"""
     content = (content or '').strip()
     if not content:
         return False, ('TK_E010', '请填写回复内容')
+    atts, att_err = normalize_attachments(attachments)
+    if att_err:
+        return False, att_err
     db = _get_db()
     async with db.sqlorContext(_dbname()) as sor:
         roles = await get_user_roles(sor, user_id)
@@ -400,7 +546,8 @@ async def ticket_staff_reply(ticket_id, user_id, content, internal=False):
 
         sender_role = cur_assignee and _role_of(roles) or ''
         await _add_message(sor, ticket_id, 'staff', user_id, sender_role, content,
-                           visibility='internal' if internal else 'customer')
+                           visibility='internal' if internal else 'customer',
+                           attachments=atts or None)
         if internal:
             return True, {'status': status, 'message': '内部备注已记录'}
         ok = await _cas_status(sor, ticket_id, S_HUMAN_PROCESSING,
diff --git a/ticket/init.py b/ticket/init.py
index c084979..d29988c 100644
--- a/ticket/init.py
+++ b/ticket/init.py
@@ -26,6 +26,7 @@ def load_ticket():
     env.list_staff_tickets = core.list_staff_tickets
     env.ticket_detail = core.ticket_detail
     env.ticket_get_user_roles = core.get_user_roles
+    env.ticket_get_attachment_file = core.get_attachment_file
 
     # 平台待办 provider（软注册：pipeline-service 没装/没钩子时只告警不崩）
     try:
diff --git a/wwwroot/api/ticket_attachment.dspy b/wwwroot/api/ticket_attachment.dspy
new file mode 100644
index 0000000..6644628
--- /dev/null
+++ b/wwwroot/api/ticket_attachment.dspy
@@ -0,0 +1,32 @@
+# ticket_attachment.dspy - 工单附件打开/下载（I5 可见性服务端校验）
+# 入参: msg_id=<消息id>, att_id=<附件id>, download=1 时以附件名下载
+# 客户只能取 visibility='customer' 消息附件；staff/admin 全量。
+
+from urllib.parse import quote as _quote
+from aiohttp.web_fileresponse import FileResponse
+
+user_id = await get_user()
+if not user_id:
+    return {"widgettype": "Message", "options": {"title": "未登录", "message": "请先登录"}}
+
+msg_id = ((params_kw or {}).get('msg_id') or '').strip()
+att_id = ((params_kw or {}).get('att_id') or '').strip()
+download = ((params_kw or {}).get('download') or '').strip()
+
+ok, res = await ticket_get_attachment_file(msg_id, att_id, user_id, await get_userorgid())
+if not ok:
+    code, msg = res
+    return {"widgettype": "Message", "options": {"title": "打开失败", "message": msg}}
+
+full_path, fname = res
+headers = {}
+if download:
+    safe_name = _quote(str(fname))
+    headers['Content-Disposition'] = (
+        'attachment; filename="%s"; filename*=UTF-8\'\'%s' % (fname, safe_name))
+else:
+    # 图片/PDF 等浏览器可直接渲染的类型内联打开
+    headers['Content-Disposition'] = (
+        'inline; filename="%s"; filename*=UTF-8\'\'%s' % (fname, safe_name))
+
+return FileResponse(full_path, headers=headers)
diff --git a/wwwroot/api/ticket_create.dspy b/wwwroot/api/ticket_create.dspy
index dff50e6..f060706 100644
--- a/wwwroot/api/ticket_create.dspy
+++ b/wwwroot/api/ticket_create.dspy
@@ -1,5 +1,5 @@
 # ticket_create.dspy - 客户建单（R1）
-# 入参: title, description, category?, priority?, attachments?(JSON数组字符串)
+# 入参: title, description, category?, priority?, attachments?(multipart 文件字段，可多个)
 
 user_id = await get_user()
 if not user_id:
@@ -11,15 +11,10 @@ description = (params_kw.get('description') or '').strip()
 category = (params_kw.get('category') or 'other').strip()
 priority = (params_kw.get('priority') or 'normal').strip()
 
-attachments = None
-att_raw = (params_kw.get('attachments') or '').strip()
-if att_raw:
-    try:
-        attachments = json.loads(att_raw)
-        if not isinstance(attachments, list):
-            attachments = None
-    except Exception:
-        attachments = None
+# 附件：Form(uitype=file,multiple) 走 FormData multipart，ahserver 已把文件落
+# FileStorage，params_kw['attachments'] 为 webpath 字符串（单文件）或 list（多文件）。
+# 旧 JSON 数组字符串契约由 core.normalize_attachments 兼容。
+attachments = params_kw.get('attachments')
 
 ok, result = await create_ticket(user_id, org_id, title, description,
                                  category=category, priority=priority,
diff --git a/wwwroot/api/ticket_detail_popup.dspy b/wwwroot/api/ticket_detail_popup.dspy
index 1132f30..be6855a 100644
--- a/wwwroot/api/ticket_detail_popup.dspy
+++ b/wwwroot/api/ticket_detail_popup.dspy
@@ -1,8 +1,11 @@
 # ticket_detail_popup.dspy - 工单详情弹窗：正文与操作同屏（复核类弹窗规范）
 # 页面入口与平台待办共用。入参: id=<ticket_id>
 # 视角自适应：客户→确认解决/追问/取消；运维池→认领；受理人→回复客户/转派
+# 附件：消息流内联展示（每行 打开/下载，区分上传方）+ 末尾「全部附件」汇总区；
+#       追问/回复支持多附件上传（FormData multipart，落 FileStorage）
 
 import json as _json
+from urllib.parse import quote as _quote
 
 user_id = await get_user()
 if not user_id:
@@ -30,37 +33,137 @@ STATUS_COLOR = {
     'staff_replied': '#10b981', 'closed': '#94a3b8', 'cancelled': '#94a3b8',
 }
 SENDER_LABEL = {'customer': '客户', 'agent': '智能助手', 'staff': '人工客服'}
+# 上传方标识色：客户蓝 / 智能助手紫 / 人工客服橙——一眼区分附件是谁传的
+SENDER_COLOR = {'customer': '#2563eb', 'agent': '#8b5cf6', 'staff': '#ea580c'}
 
 status = str(t.get('status', ''))
 view = str(t.get('view', 'customer'))
 
-# ── 正文 markdown：工单信息 + 往来消息流 ──
-md_parts = []
-md_parts.append('## 工单 ' + str(t.get('ticket_no', '')))
-md_parts.append('')
-md_parts.append('**标题**：' + str(t.get('title', '')))
-md_parts.append('**状态**：' + STATUS_LABEL.get(status, status)
-                + ' ｜ **分类**：' + str(t.get('category', ''))
-                + ' ｜ **优先级**：' + str(t.get('priority', '')))
-if view == 'staff':
-    md_parts.append('**客户机构**：' + str(t.get('customer_org_id', ''))
-                    + ' ｜ **受理角色**：' + (str(t.get('assignee_role', '')) or '-')
-                    + ' ｜ **受理人**：' + (str(t.get('assignee_id', '')) or '-'))
-md_parts.append('')
-md_parts.append('---')
-md_parts.append('### 往来记录')
-for m in (t.get('messages') or []):
-    who = SENDER_LABEL.get(str(m.get('sender_type', '')), str(m.get('sender_type', '')))
+
+def _fmt_size(n):
+    try:
+        n = int(n or 0)
+    except Exception:
+        return ''
+    if n >= 1048576:
+        return '%.1fMB' % (n / 1048576.0)
+    if n >= 1024:
+        return '%.0fKB' % (n / 1024.0)
+    return '%dB' % n
+
+
+def _parse_atts(raw):
+    if not raw:
+        return []
+    if isinstance(raw, list):
+        return [a for a in raw if isinstance(a, dict)]
+    try:
+        v = _json.loads(raw)
+        return [a for a in v if isinstance(a, dict)] if isinstance(v, list) else []
+    except Exception:
+        return []
+
+
+def _att_urls(msg_id, att_id):
+    base = entire_url('/ticket/api/ticket_attachment.dspy')
+    open_url = base + '?msg_id=' + _quote(str(msg_id)) + '&att_id=' + _quote(str(att_id))
+    return open_url, open_url + '&download=1'
+
+
+def _att_row(sender_type, who_name, fname, size, open_url, dl_url, when=''):
+    """单条附件行：上传方徽标 + 📎文件名(大小) + 打开/下载按钮。"""
+    color = SENDER_COLOR.get(sender_type, '#64748b')
+    label = SENDER_LABEL.get(sender_type, sender_type)
+    if who_name:
+        label = label + '·' + str(who_name)
+    row = [{
+        "widgettype": "Text",
+        "options": {"text": label, "cfontsize": 0.72, "color": "#ffffff",
+                    "bgcolor": color, "padding": "1px 8px", "borderRadius": "8px",
+                    "whiteSpace": "nowrap"}}]
+    if when:
+        row.append({"widgettype": "Text",
+                    "options": {"text": str(when)[:16], "cfontsize": 0.72,
+                                "color": "#94a3b8", "whiteSpace": "nowrap"}})
+    row.append({
+        "widgettype": "Text",
+        "options": {"text": "📎 " + str(fname) + ('（' + _fmt_size(size) + '）' if size else ''),
+                    "cfontsize": 0.85, "color": "#334155", "flex": "1 1 auto",
+                    "overflow": "hidden", "textOverflow": "ellipsis",
+                    "whiteSpace": "nowrap"}})
+    row.append({
+        "widgettype": "Button",
+        "options": {"label": "打开", "css": "small"},
+        "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self",
+                   "script": "window.open(" + _json.dumps(open_url) + ",'_blank');"}]})
+    row.append({
+        "widgettype": "Button",
+        "options": {"label": "下载", "css": "small"},
+        "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self",
+                   "script": "window.open(" + _json.dumps(dl_url) + ",'_blank');"}]})
+    return {"widgettype": "HBox",
+            "options": {"width": "100%", "gap": "8px", "padding": "4px 8px",
+                        "alignItems": "center", "bgcolor": "#f8fafc",
+                        "border": "1px solid #e2e8f0", "borderRadius": "6px"},
+            "subwidgets": row}
+
+
+def _msg_widgets(m):
+    """一条消息 → [正文MdWidget] + [附件行...]。"""
+    st = str(m.get('sender_type', ''))
+    who = SENDER_LABEL.get(st, st)
+    nick = str(m.get('sender_nick', '') or m.get('sender_name', '') or '')
+    if nick:
+        who = who + '·' + nick
     vis = str(m.get('visibility', ''))
     tag = '（内部备注）' if vis == 'internal' else ''
-    md_parts.append('')
-    md_parts.append('**' + who + tag + '** · ' + str(m.get('created_at', ''))[:19])
-    md_parts.append('')
-    md_parts.append(str(m.get('content', '')))
+    parts = ['', '**' + who + tag + '** · ' + str(m.get('created_at', ''))[:19],
+             '', str(m.get('content', ''))]
+    ws = [{"widgettype": "MdWidget",
+           "options": {"mdtext": '\n'.join(parts), "width": "100%"}}]
+    for a in _parse_atts(m.get('attachments')):
+        ou, du = _att_urls(m.get('id', ''), a.get('id', ''))
+        ws.append(_att_row(st, nick, a.get('name', ''), a.get('size', 0), ou, du))
+    return ws
+
+
+# ── 正文区 widgets：工单信息 + 往来消息流（含内联附件）+ 全部附件汇总 + 流转记录 ──
+head_md = ['## 工单 ' + str(t.get('ticket_no', '')), '',
+           '**标题**：' + str(t.get('title', '')),
+           '**状态**：' + STATUS_LABEL.get(status, status)
+           + ' ｜ **分类**：' + str(t.get('category', ''))
+           + ' ｜ **优先级**：' + str(t.get('priority', ''))]
+if view == 'staff':
+    head_md.append('**客户机构**：' + str(t.get('customer_org_id', ''))
+                   + ' ｜ **受理角色**：' + (str(t.get('assignee_role', '')) or '-')
+                   + ' ｜ **受理人**：' + (str(t.get('assignee_id', '')) or '-'))
+head_md += ['', '---', '### 往来记录']
+
+body_widgets = [{"widgettype": "MdWidget",
+                 "options": {"mdtext": '\n'.join(head_md), "width": "100%"}}]
+messages = t.get('messages') or []
+for m in messages:
+    body_widgets.extend(_msg_widgets(m))
+
+# 全部附件汇总区：跨消息聚合，区分上传方，可直接打开/下载
+_all_atts = []
+for m in messages:
+    for a in _parse_atts(m.get('attachments')):
+        _all_atts.append((m, a))
+if _all_atts:
+    body_widgets.append({"widgettype": "MdWidget",
+                         "options": {"mdtext": '\n'.join(['', '---',
+                                     '### 全部附件（%d 个）' % len(_all_atts)]),
+                                     "width": "100%"}})
+    for m, a in _all_atts:
+        nick = str(m.get('sender_nick', '') or m.get('sender_name', '') or '')
+        ou, du = _att_urls(m.get('id', ''), a.get('id', ''))
+        body_widgets.append(_att_row(str(m.get('sender_type', '')), nick,
+                                     a.get('name', ''), a.get('size', 0), ou, du,
+                                     when=m.get('created_at', '')))
+
 if view == 'staff' and (t.get('transfers') or []):
-    md_parts.append('')
-    md_parts.append('---')
-    md_parts.append('### 流转记录（内部）')
+    tr_md = ['', '---', '### 流转记录（内部）']
     ACTION_LABEL = {'escalate_to_human': '转人工', 'claim': '认领',
                     'transfer_role': '转角色', 'transfer_user': '转人员'}
     for tr in (t.get('transfers') or []):
@@ -72,8 +175,9 @@ if view == 'staff' and (t.get('transfers') or []):
             line += ' → 人员 ' + str(tr.get('to_user'))
         if tr.get('reason'):
             line += '（' + str(tr.get('reason'))[:80] + '）'
-        md_parts.append(line)
-body_md = '\n'.join(md_parts)
+        tr_md.append(line)
+    body_widgets.append({"widgettype": "MdWidget",
+                         "options": {"mdtext": '\n'.join(tr_md), "width": "100%"}})
 
 # ── 操作按钮 ──
 base = entire_url('/ticket/api')
@@ -100,6 +204,19 @@ def _read_input_js(wid):
             "cv=(cv===null||cv===undefined)?'':String(cv).trim();")
 
 
+def _read_files_js(wid):
+    """读 UiFile（multiple）选中的 File 数组 → JS 变量 _fs，并做数量/总量前端拦截。
+    总量 9.5MB：pipeline-app client_max_size=10MB，超了请求会被拒/挂起，必须前端拦。"""
+    return ("var _fw=bricks.getWidgetById(" + _json.dumps(wid) + ",bricks.app);var _fs=[];"
+            "if(_fw&&typeof _fw.resultValue==='function'){var _fv=_fw.resultValue();"
+            "if(_fv){_fs=Array.isArray(_fv)?_fv:[_fv];}}"
+            "var _tot=0;for(var _ti=0;_ti<_fs.length;_ti++){_tot+=(_fs[_ti].size||0);}"
+            "if(_fs.length>9){new bricks.Message({title:'附件过多',"
+            "message:'单条消息最多上传 9 个附件'}).open();return;}"
+            "if(_tot>9.5*1024*1024){new bricks.Message({title:'附件过大',"
+            "message:'单次提交附件总大小不能超过 9.5MB'}).open();return;}")
+
+
 def _post_js(url, body_expr):
     # body_expr 为 dict 时序列化为 JS 对象字面量（2026-09-10 修复：原实现直接
     # 字符串拼接 dict → TypeError 500，所有带按钮的弹窗路径全炸；此前 staff_replied
@@ -113,6 +230,34 @@ def _post_js(url, body_expr):
             "var d=await r.json();" + _tail)
 
 
+def _post_multipart_js(url, tid, text_var='_fs', extra=None):
+    """FormData multipart 提交（带附件）。文本字段 content 取 JS 变量 cv；
+    附件字段 attachments 逐个 append File；extra: dict 附加表单字段。
+    不设 Content-Type——浏览器自动带 multipart boundary。"""
+    js = ("var fd=new FormData();"
+          "fd.append('ticket_id'," + _json.dumps(tid) + ");"
+          "fd.append('content',cv);")
+    for k, v in (extra or {}).items():
+        js += "fd.append(" + _json.dumps(k) + "," + _json.dumps(v) + ");"
+    js += ("for(var _fi=0;_fi<" + text_var + ".length;_fi++){"
+           "fd.append('attachments'," + text_var + "[_fi]);}"
+           "var r=await fetch(" + _json.dumps(url) + ",{method:'POST',body:fd});"
+           "var d=await r.json();" + _tail)
+    return js
+
+
+def _upload_box(wid, tip):
+    return {
+        "widgettype": "VBox",
+        "options": {"width": "100%", "gap": "2px"},
+        "subwidgets": [
+            {"widgettype": "Text",
+             "options": {"text": tip, "cfontsize": 0.72, "color": "#94a3b8"}},
+            {"widgettype": "UiFile", "id": wid,
+             "options": {"name": wid, "width": "100%", "multiple": True,
+                         "preview": True}}]}
+
+
 buttons = []
 input_widgets = []
 
@@ -127,13 +272,16 @@ if view == 'customer':
             "widgettype": "UiText", "id": "tk_followup_input",
             "options": {"name": "tk_followup_input", "placeholder": "问题没解决？在此输入追问内容…",
                         "width": "100%", "height": "70px"}})
+        input_widgets.append(_upload_box('tk_followup_files',
+                                         '追问附件（可选）：最多 9 个，总大小 ≤9.5MB，可拖入或点击选择'))
         buttons.append({
             "widgettype": "Button",
             "options": {"label": "追问", "css": "small"},
             "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self",
                        "script": (_read_input_js('tk_followup_input')
                                   + "if(!cv){new bricks.Message({title:'请填写追问内容',message:'追问内容不能为空'}).open();return;}"
-                                  + _post_js(followup_url, {"ticket_id": ticket_id, "content": "cv_placeholder"}))}]})
+                                  + _read_files_js('tk_followup_files')
+                                  + _post_multipart_js(followup_url, ticket_id))}]})
         buttons.append({
             "widgettype": "Button",
             "options": {"label": "取消工单", "css": "small danger"},
@@ -158,20 +306,25 @@ else:
             "widgettype": "UiText", "id": "tk_reply_input",
             "options": {"name": "tk_reply_input", "placeholder": "输入给客户的回复（markdown）…",
                         "width": "100%", "height": "90px"}})
+        input_widgets.append(_upload_box('tk_reply_files',
+                                         '回复附件（可选）：最多 9 个，总大小 ≤9.5MB，可拖入或点击选择'))
         buttons.append({
             "widgettype": "Button",
             "options": {"label": "回复客户", "css": "primary"},
             "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self",
                        "script": (_read_input_js('tk_reply_input')
                                   + "if(!cv){new bricks.Message({title:'请填写回复',message:'回复内容不能为空'}).open();return;}"
-                                  + _post_js(reply_url, {"ticket_id": ticket_id, "content": "cv_placeholder"}))}]})
+                                  + _read_files_js('tk_reply_files')
+                                  + _post_multipart_js(reply_url, ticket_id))}]})
         buttons.append({
             "widgettype": "Button",
             "options": {"label": "记内部备注", "css": "small"},
             "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self",
                        "script": (_read_input_js('tk_reply_input')
                                   + "if(!cv){new bricks.Message({title:'请填写备注',message:'备注不能为空'}).open();return;}"
-                                  + _post_js(reply_url, {"ticket_id": ticket_id, "content": "cv_placeholder", "internal": "1"}))}]})
+                                  + _read_files_js('tk_reply_files')
+                                  + _post_multipart_js(reply_url, ticket_id,
+                                                       extra={"internal": "1"}))}]})
         buttons.append({
             "widgettype": "Button",
             "options": {"label": "转派…", "css": "small"},
@@ -201,8 +354,7 @@ else:
                                       "if(window.refreshTodo){window.refreshTodo();}"
                                       "new bricks.Message({title:'已转派',message:d2.message||'转派成功'}).open();}"
                                       "else{new bricks.Message({title:'转派失败',message:d2.error||''}).open();}")
-                                  + "}]}]}}]};"
-                                  "bricks.widgetBuild(desc,bricks.app);")}]})
+                                  + "}]}]}}]};bricks.widgetBuild(desc,bricks.app);")}]})
 
 # 双身份用户（既是工单客户又是staff，如平台管理员自建工单）：
 # staff 视角在 agent_replied/staff_replied 态无任何按钮，但此刻待办要求的动作是
@@ -219,15 +371,18 @@ if view == 'staff' and str(t.get('customer_user_id', '')) == str(user_id) \
         "widgettype": "UiText", "id": "tk_followup_input",
         "options": {"name": "tk_followup_input", "placeholder": "问题没解决？在此输入追问内容…",
                     "width": "100%", "height": "70px"}})
+    input_widgets.append(_upload_box('tk_followup_files',
+                                     '追问附件（可选）：最多 9 个，总大小 ≤9.5MB，可拖入或点击选择'))
     buttons.append({
         "widgettype": "Button",
         "options": {"label": "追问（客户动作）", "css": "small"},
         "binds": [{"wid": "self", "event": "click", "actiontype": "script", "target": "self",
                    "script": (_read_input_js('tk_followup_input')
                               + "if(!cv){new bricks.Message({title:'请填写追问内容',message:'追问内容不能为空'}).open();return;}"
-                              + _post_js(followup_url, {"ticket_id": ticket_id, "content": "cv_placeholder"}))}]})
+                              + _read_files_js('tk_followup_files')
+                              + _post_multipart_js(followup_url, ticket_id))}]})
 
-# 追问/回复输入框 content 占位符替换为 JS 变量 cv
+# 追问/回复输入框 content 占位符替换为 JS 变量 cv（JSON 通道遗留兼容）
 for b in buttons:
     for bind in (b.get('binds') or []):
         if 'cv_placeholder' in str(bind.get('script', '')):
@@ -252,8 +407,7 @@ sub = [{
     "subwidgets": [{
         "widgettype": "VScrollPanel",
         "options": {"css": "filler", "width": "100%", "padding": "6px 12px"},
-        "subwidgets": [{"widgettype": "MdWidget",
-                        "options": {"mdtext": body_md, "width": "100%"}}]}]
+        "subwidgets": body_widgets}]
 }]
 sub.extend(input_widgets)
 if buttons:
diff --git a/wwwroot/api/ticket_followup.dspy b/wwwroot/api/ticket_followup.dspy
index 49518f4..e6d59cc 100644
--- a/wwwroot/api/ticket_followup.dspy
+++ b/wwwroot/api/ticket_followup.dspy
@@ -1,5 +1,5 @@
 # ticket_followup.dspy - 客户追问（T6/T10: agent_replied→agent处理; staff_replied→回受理人）
-# 入参: ticket_id, content
+# 入参: ticket_id, content, attachments?(multipart 文件字段，可多个)
 
 user_id = await get_user()
 if not user_id:
@@ -10,8 +10,13 @@ content = (params_kw.get('content') or '').strip()
 if not ticket_id:
     return json.dumps({"success": False, "error": "缺少 ticket_id"}, ensure_ascii=False)
 
+# 附件：multipart 上传时 ahserver 已落 FileStorage，params_kw['attachments']
+# 为 webpath 字符串（单文件）或 list（多文件同名字段）；JSON 通道传数组字符串也兼容
+attachments = params_kw.get('attachments')
+
 org_id = await get_userorgid()
-ok, result = await ticket_followup(ticket_id, user_id, org_id, content)
+ok, result = await ticket_followup(ticket_id, user_id, org_id, content,
+                                   attachments=attachments)
 if ok:
     return json.dumps({"success": True, "message": result.get('message', ''),
                        "data": result}, ensure_ascii=False)
diff --git a/wwwroot/api/ticket_staff_reply.dspy b/wwwroot/api/ticket_staff_reply.dspy
index 8834f35..1ac5f45 100644
--- a/wwwroot/api/ticket_staff_reply.dspy
+++ b/wwwroot/api/ticket_staff_reply.dspy
@@ -1,5 +1,5 @@
 # ticket_staff_reply.dspy - 人工回复客户（T8: human_processing→staff_replied）
-# 入参: ticket_id, content, internal?(1=内部备注不迁状态)
+# 入参: ticket_id, content, internal?(1=内部备注不迁状态), attachments?(multipart 文件字段，可多个)
 
 user_id = await get_user()
 if not user_id:
@@ -11,7 +11,12 @@ internal = (params_kw.get('internal') or '').strip().lower() in ('1', 'true', 'y
 if not ticket_id:
     return json.dumps({"success": False, "error": "缺少 ticket_id"}, ensure_ascii=False)
 
-ok, result = await ticket_staff_reply(ticket_id, user_id, content, internal=internal)
+# 附件：multipart 上传时 ahserver 已落 FileStorage，params_kw['attachments']
+# 为 webpath 字符串（单文件）或 list（多文件同名字段）
+attachments = params_kw.get('attachments')
+
+ok, result = await ticket_staff_reply(ticket_id, user_id, content, internal=internal,
+                                      attachments=attachments)
 if ok:
     return json.dumps({"success": True, "message": result.get('message', ''),
                        "data": result}, ensure_ascii=False)
diff --git a/wwwroot/my/new_ticket_form.ui b/wwwroot/my/new_ticket_form.ui
index d440466..650a076 100644
--- a/wwwroot/my/new_ticket_form.ui
+++ b/wwwroot/my/new_ticket_form.ui
@@ -13,10 +13,13 @@
             {"name": "category", "label": "问题分类", "uitype": "code", "value": "consult",
              "data": [{"value": "consult", "text": "使用咨询"}, {"value": "fault", "text": "故障报修"}, {"value": "billing", "text": "计费账务"}, {"value": "other", "text": "其他"}]},
             {"name": "priority", "label": "优先级", "uitype": "code", "value": "normal",
-             "data": [{"value": "low", "text": "低"}, {"value": "normal", "text": "普通"}, {"value": "high", "text": "高"}, {"value": "urgent", "text": "紧急"}]}
+             "data": [{"value": "low", "text": "低"}, {"value": "normal", "text": "普通"}, {"value": "high", "text": "高"}, {"value": "urgent", "text": "紧急"}]},
+            {"name": "attachments", "label": "附件（可选）：最多 9 个，总大小 ≤9.5MB，截图/日志等有助于定位问题", "uitype": "file", "multiple": true, "preview": true}
         ]
     },
     "binds": [
+        {"wid": "attachments", "event": "changed", "actiontype": "script", "target": "self",
+         "script": "var v=(event&&event.params)?event.params.attachments:null; var fs=v?(Array.isArray(v)?v:[v]):[]; var tot=0; for(var i=0;i<fs.length;i++){tot+=(fs[i].size||0);} var w=bricks.getWidgetById('attachments',bricks.app); if(fs.length>9){new bricks.Message({title:'附件过多',message:'单条消息最多上传 9 个附件，已清空请重新选择'}).open(); if(w&&w.reset){w.reset();} return;} if(tot>9.5*1024*1024){new bricks.Message({title:'附件过大',message:'单次提交附件总大小不能超过 9.5MB，已清空请重新选择'}).open(); if(w&&w.reset){w.reset();} return;}"},
         {"wid": "self", "event": "submited", "actiontype": "script", "target": "self",
          "script": "var d=event.params||{}; await bricks.show_resp_message_or_error(d); if(d.success){ var pw=bricks.getWidgetById('new_ticket_pw',bricks.app); if(pw){pw.destroy();} var tbl=bricks.getWidgetById('my_ticket_table',bricks.app.root); if(tbl){await tbl.render({});} if(window.refreshTodo){window.refreshTodo();} }"}
     ]