diff --git a/.env.example b/.env.example
index d07dad5..cd98adc 100644
--- a/.env.example
+++ b/.env.example
@@ -36,6 +36,8 @@ WECHAT_SERVER_URL=http://127.0.0.1:8059/
 WECHAT_SERVER_IP=127.0.0.1
 WECHAT_SERVER_PORT=8059
 WECHAT_SERVER_TYPE=legacy_855
+# 当使用 server_864 时，这里必须填写服务端分配的固定 key。
+WECHAT_SERVER_KEY=
 # 以下三项可留空，首次登录后会自动写入本地状态缓存文件。
 WECHAT_WXID=
 WECHAT_DEVICE_NAME=
diff --git a/config.example.yaml b/config.example.yaml
index e02c7e5..775990d 100644
--- a/config.example.yaml
+++ b/config.example.yaml
@@ -53,6 +53,8 @@ wechat_ipad:
   server_ip: "${WECHAT_SERVER_IP:127.0.0.1}"
   server_port: "${WECHAT_SERVER_PORT:8059}"
   server_type: "${WECHAT_SERVER_TYPE:legacy_855}"
+  # 当 server_type=server_864 时必须提供固定 key；855/859 可留空。
+  server_key: "${WECHAT_SERVER_KEY:}"
   wxid: "${WECHAT_WXID:}"
   device_name: "${WECHAT_DEVICE_NAME:}"
   device_id: "${WECHAT_DEVICE_ID:}"
diff --git a/config.yaml b/config.yaml
index e02c7e5..775990d 100644
--- a/config.yaml
+++ b/config.yaml
@@ -53,6 +53,8 @@ wechat_ipad:
   server_ip: "${WECHAT_SERVER_IP:127.0.0.1}"
   server_port: "${WECHAT_SERVER_PORT:8059}"
   server_type: "${WECHAT_SERVER_TYPE:legacy_855}"
+  # 当 server_type=server_864 时必须提供固定 key；855/859 可留空。
+  server_key: "${WECHAT_SERVER_KEY:}"
   wxid: "${WECHAT_WXID:}"
   device_name: "${WECHAT_DEVICE_NAME:}"
   device_id: "${WECHAT_DEVICE_ID:}"
diff --git a/configuration.py b/configuration.py
index 4ef6b1a..bd1c9ed 100644
--- a/configuration.py
+++ b/configuration.py
@@ -214,6 +214,11 @@ class Config(object):
         wechat_ipad_config["server_type"] = str(
             wechat_ipad_config.get("server_type", "legacy_855") or "legacy_855"
         ).strip()
+        # 864 风格 server 的鉴权核心是固定 `key`：
+        # 1. 它不是像 855 那样主要依赖运行时 `wxid`；
+        # 2. 因此这里把 `server_key` 也纳入统一配置归一化，确保 `.env` 成为唯一静态维护入口；
+        # 3. 留空仍允许通过校验阶段给出明确提示，而不是在 provider 启动后才报模糊错误。
+        wechat_ipad_config["server_key"] = str(wechat_ipad_config.get("server_key", "") or "").strip()
         wechat_ipad_config["wxid"] = str(wechat_ipad_config.get("wxid", "") or "").strip()
         wechat_ipad_config["device_name"] = str(wechat_ipad_config.get("device_name", "") or "").strip()
         wechat_ipad_config["device_id"] = str(wechat_ipad_config.get("device_id", "") or "").strip()
@@ -343,6 +348,8 @@ class Config(object):
         server_url = str(wechat_ipad_config.get("server_url", "") or "").strip()
         server_ip = str(wechat_ipad_config.get("server_ip", "") or "").strip()
         server_port = wechat_ipad_config.get("server_port", 0)
+        server_type = str(wechat_ipad_config.get("server_type", "") or "").strip().lower()
+        server_key = str(wechat_ipad_config.get("server_key", "") or "").strip()
 
         if not server_url:
             self._append_issue(
@@ -368,6 +375,18 @@ class Config(object):
                 "wechat_ipad server_port 未配置，机器人无法连接 wechat_ipad server。",
             )
 
+        # 864 provider 明确依赖静态 `server_key`：
+        # 1. 它用于服务端 license / 实例身份校验；
+        # 2. 即使扫码成功，也不能替代这份静态鉴权参数；
+        # 3. 因此这里在启动前直接报错，避免上线后才在登录页反复拿不到二维码。
+        if server_type in {"864", "server_864"} and not server_key:
+            self._append_issue(
+                report["errors"],
+                "missing_wechat_server_key",
+                "wechat_ipad.server_key",
+                "server_864 模式必须配置 wechat_ipad.server_key（建议通过 .env 的 WECHAT_SERVER_KEY 注入）。",
+            )
+
     def _validate_llm_config(self, report: dict) -> None:
         """检查 LLM 配置的完整性与路由一致性。"""
         llm_config = self.llm or {}
diff --git a/docs/wechat_ipad多版本Server适配路线图.md b/docs/wechat_ipad多版本Server适配路线图.md
index 0a45e4a..69b5341 100644
--- a/docs/wechat_ipad多版本Server适配路线图.md
+++ b/docs/wechat_ipad多版本Server适配路线图.md
@@ -26,19 +26,24 @@
 - 已补上 `Legacy855WechatClient` 的显式初始化入口，避免 provider 多继承构造链不稳定
 - 已删除历史 `wechat_ipad/client/` 目录，避免后续误回退到旧实现
 - 已为 855 登录流程补充 Dashboard 首页二维码引导态，支持未登录时自动弹窗、倒计时与最近二维码记录展示
+- 已新增 `providers/server_864/` 独立目录，用于承接 864 风格 server
+- 已为 864 接入补充 `wechat_ipad.server_key` 统一配置项，支持通过 `.env` 的 `WECHAT_SERVER_KEY` 注入
+- 已在 [wechat_ipad/gateway.py](/d:/learn/abot/wechat_ipad/gateway.py:1) 中注册 `server_864 / 864` 别名
+- 已实现 864 第一版登录、初始化等待、HTTP 消息轮询、联系人、群信息、资料与朋友圈基础接口
 
 当前尚未完成的关键项：
 
 - 855 provider 仍需完成一轮“当前项目实际依赖接口”的可上线回归验证
 - 855 provider 仍需继续梳理“项目真实使用到的接口覆盖面”，确认是否还有遗漏能力未纳入 provider 目录
-- 864 provider 尚未开始接入，当前统一接口仍主要围绕 855 第一阶段目标进行验证
+- 864 provider 仍需完成真机联调，尤其是消息字段归一化、视频发送、名片发送等增强能力
 
 因此，当前状态可以定义为：
 
 - “接入入口已收口”
 - “855 运行时主链路已迁入 provider”
 - “未登录场景已有 Dashboard 可视化登录引导”
-- “尚未达到 855 可直接替换现网上线的最终状态”
+- “864 第一版 provider 已落地，但还需要真实 server 回归验证”
+- “尚未达到 855 / 864 都可直接无差异替换现网上线的最终状态”
 
 ## 2. 当前问题概览
 
@@ -70,8 +75,8 @@
 
 - 更偏向 `key + body` 的请求风格
 - 登录接口命名和流程明显不同
-- 消息同步接口不再与 855 完全一致
-- 在线状态、保活和消息同步的职责边界可能由 server 侧承担更多
+- 消息同步同时支持 WS 与 HTTP 轮询
+- 在线状态、保活和消息同步的职责边界更多由 server 侧承担
 
 结论：
 
@@ -425,6 +430,20 @@ wechat_ipad/
 - 864 可以先跑主链路
 - 高级能力后续再补
 
+当前已完成的第一版范围：
+
+- 已接入固定 `server_key` 配置
+- 已实现二维码登录轮询与初始化等待
+- 已实现 HTTP 轮询消息同步
+- 已实现联系人、群资料、当前账号资料、朋友圈基础接口
+- 已保留与 855 尽量一致的对外方法名，便于 `Robot` 无感切换
+
+当前仍待补强的范围：
+
+- 真实 864 server 环境下的字段回包核对
+- 视频发送、名片发送等低频接口
+- 如后续需要更低延迟，可再补 WS 同步消息 runtime
+
 ### 阶段三：扩展 864 与后续 provider 的高级能力
 
 后续再逐步统一：
diff --git a/robot.py b/robot.py
index 0aa8496..193fbe6 100644
--- a/robot.py
+++ b/robot.py
@@ -359,7 +359,7 @@ class Robot:
 
         # 静态字段优先级：`.env/config.yaml` > 历史文件。
         # 这样每个人只要改 `.env` 就能切换自己的 server，不需要再同步别处。
-        for field_name in ("server_url", "server_ip", "server_port", "server_type"):
+        for field_name in ("server_url", "server_ip", "server_port", "server_type", "server_key"):
             if not str(merged_config.get(field_name, "") or "").strip():
                 legacy_value = legacy_config.get(field_name)
                 if legacy_value not in (None, ""):
@@ -409,6 +409,8 @@ class Robot:
         normalized_server_type = str(server_type or "legacy_855").strip().lower()
         if normalized_server_type in {"855", "859", "legacy_855"}:
             return "legacy_855"
+        if normalized_server_type in {"864", "server_864"}:
+            return "server_864"
         return normalized_server_type or "legacy_855"
 
     def _load_toml_config_if_exists(self, file_path: str) -> dict:
diff --git a/wechat_ipad/config.toml.example b/wechat_ipad/config.toml.example
index 26609ff..6eaa5b7 100644
--- a/wechat_ipad/config.toml.example
+++ b/wechat_ipad/config.toml.example
@@ -2,6 +2,8 @@ server_url = "http://127.0.0.1:8059/"
 server_ip = "127.0.0.1"
 server_port = "8059"
 server_type = "legacy_855"
+# 864 风格 server 需要额外配置固定 key，855/859 可留空。
+server_key = ""
 # 登录成功后的动态状态默认不再写回本文件，
 # 而是写到 `wechat_ipad/providers/<server_type>/runtime_state.toml`。
 wxid = ""
diff --git a/wechat_ipad/gateway.py b/wechat_ipad/gateway.py
index c587a88..f6505db 100644
--- a/wechat_ipad/gateway.py
+++ b/wechat_ipad/gateway.py
@@ -1,6 +1,7 @@
 from typing import Any, Dict, Type
 
 from wechat_ipad.providers.legacy_855 import Legacy855WechatClient
+from wechat_ipad.providers.server_864 import Server864WechatClient
 
 
 class WechatGateway:
@@ -9,13 +10,15 @@ class WechatGateway:
     当前策略：
     1. Gateway 只负责选择 Provider，并把调用透传出去；
     2. 不在这里承载协议差异或运行时细节，避免再次形成新的“大中台”；
-    3. 第一阶段默认只完整支持 `legacy_855`，后续接入 864 时在映射表中扩展即可。
+    3. 不同 provider 内部各自维护自己的运行模型，Gateway 只负责路由，不承载版本差异。
     """
 
-    _PROVIDER_MAP: Dict[str, Type[Legacy855WechatClient]] = {
+    _PROVIDER_MAP: Dict[str, Type[Legacy855WechatClient | Server864WechatClient]] = {
         "legacy_855": Legacy855WechatClient,
         "855": Legacy855WechatClient,
         "859": Legacy855WechatClient,
+        "server_864": Server864WechatClient,
+        "864": Server864WechatClient,
     }
     _LOCAL_ATTRS = {"server_type", "provider"}
 
diff --git a/wechat_ipad/providers/server_864/__init__.py b/wechat_ipad/providers/server_864/__init__.py
new file mode 100644
index 0000000..a1a292d
--- /dev/null
+++ b/wechat_ipad/providers/server_864/__init__.py
@@ -0,0 +1,3 @@
+from wechat_ipad.providers.server_864.provider import Server864WechatClient
+
+__all__ = ["Server864WechatClient"]
diff --git a/wechat_ipad/providers/server_864/base.py b/wechat_ipad/providers/server_864/base.py
new file mode 100644
index 0000000..667f5ff
--- /dev/null
+++ b/wechat_ipad/providers/server_864/base.py
@@ -0,0 +1,119 @@
+import time
+from typing import Any
+
+import aiohttp
+
+from wechat_ipad.errors import UserLoggedOut
+
+
+class Server864APIClientBase:
+    """864 provider 的基础 HTTP 访问封装。
+
+    设计说明：
+    1. 864 与 855 一样仍然是 HTTP 驱动，但核心鉴权从 `wxid` 切到了固定 `key`；
+    2. 这里把请求拼装、错误转换、常见返回结构解析集中收口，避免每个 mixin 重复写样板代码；
+    3. 对外仍尽量返回项目当前可直接消费的 dict / list，保持切换成本低。
+    """
+
+    def __init__(self, ip: str, port: int, server_key: str = "", **kwargs):
+        del kwargs
+        self.ip = ip
+        self.port = port
+        self.server_key = str(server_key or "").strip()
+        self.wxid = ""
+        self.nickname = ""
+        self.alias = ""
+        self.phone = ""
+        self.signature = ""
+
+        # 864 的发送接口与 855 一样，很多业务链路仍会依赖这些消息回执字段：
+        # 1. 但 864 有些接口返回的是 protobuf JSON，而不是统一 msg id 三元组；
+        # 2. 因此这里准备一份本地递增 client id，在响应缺字段时作为兼容兜底；
+        # 3. 这样可以保证上层至少拿到稳定结构，而不会因为个别 server 少字段直接崩掉。
+        self._fallback_client_msg_id = int(time.time() * 1000)
+
+        super().__init__()
+
+    @property
+    def base_url(self) -> str:
+        return f"http://{self.ip}:{self.port}"
+
+    def _ensure_server_key(self) -> str:
+        """确保 864 固定鉴权 key 已配置。"""
+        if not self.server_key:
+            raise ValueError("server_864 缺少 server_key，请在 .env 中配置 WECHAT_SERVER_KEY")
+        return self.server_key
+
+    async def _request_payload(
+        self,
+        method: str,
+        path: str,
+        *,
+        params: dict[str, Any] | None = None,
+        json_body: dict[str, Any] | None = None,
+        timeout: int = 20,
+    ) -> dict[str, Any]:
+        """向 864 server 发送请求，并保留原始 payload 便于上层按需解析。"""
+        merged_params = dict(params or {})
+        merged_params["key"] = self._ensure_server_key()
+        request_timeout = aiohttp.ClientTimeout(total=timeout)
+        async with aiohttp.ClientSession(timeout=request_timeout) as session:
+            async with session.request(
+                method.upper(),
+                f"{self.base_url}{path}",
+                params=merged_params,
+                json=json_body,
+            ) as response:
+                payload = await response.json(content_type=None)
+        return self._validate_payload(payload)
+
+    async def _request_data(
+        self,
+        method: str,
+        path: str,
+        *,
+        params: dict[str, Any] | None = None,
+        json_body: dict[str, Any] | None = None,
+        timeout: int = 20,
+    ) -> Any:
+        """获取成功返回中的 Data 字段。"""
+        payload = await self._request_payload(
+            method,
+            path,
+            params=params,
+            json_body=json_body,
+            timeout=timeout,
+        )
+        return payload.get("Data")
+
+    def _validate_payload(self, payload: Any) -> dict[str, Any]:
+        """把 864 的 DTO 返回统一转换成 Python 异常或 dict。"""
+        if not isinstance(payload, dict):
+            raise ValueError(f"server_864 返回了无法识别的响应结构: {payload!r}")
+
+        code = payload.get("Code")
+        if code == 200:
+            return payload
+
+        message = str(payload.get("Text") or payload.get("Message") or "server_864 请求失败").strip()
+        lowered_message = message.lower()
+        if any(keyword in lowered_message for keyword in ("重新登录", "已退出登录", "离线", "账号需要重新登录")):
+            raise UserLoggedOut(message)
+        raise Exception(message)
+
+    def _next_fallback_message_ids(self) -> tuple[int, int, int]:
+        """生成一组兼容旧调用面的消息回执兜底值。"""
+        self._fallback_client_msg_id += 1
+        client_msg_id = self._fallback_client_msg_id
+        create_time = int(time.time())
+        return client_msg_id, create_time, 0
+
+    @staticmethod
+    def _pick_first(data: Any, *keys: str) -> Any:
+        """从 dict 中按优先级取第一个存在的字段。"""
+        if not isinstance(data, dict):
+            return None
+        for key in keys:
+            if key in data and data.get(key) is not None:
+                return data.get(key)
+        return None
diff --git a/wechat_ipad/providers/server_864/friend_circle.py b/wechat_ipad/providers/server_864/friend_circle.py
new file mode 100644
index 0000000..7041831
--- /dev/null
+++ b/wechat_ipad/providers/server_864/friend_circle.py
@@ -0,0 +1,122 @@
+import base64
+import os
+from typing import Union
+
+import aiofiles
+
+from wechat_ipad.models.friend_circle_info import build_friend_circle_xml
+from wechat_ipad.providers.server_864.base import Server864APIClientBase
+
+
+class FriendCircleMixin(Server864APIClientBase):
+    """864 朋友圈相关接口。"""
+
+    async def get_friend_circle_list(self, max_id: int = 0, first_page_md5: str = "") -> dict:
+        data = await self._request_data(
+            "post",
+            "/sns/SendSnsTimeLine",
+            json_body={"UserName": "", "FirstPageMD5": first_page_md5, "MaxID": int(max_id)},
+            timeout=30,
+        )
+        return dict(data or {})
+
+    async def get_friend_circle_detail(self, towxid: str, max_id: int = 0, first_page_md5: str = "") -> dict:
+        data = await self._request_data(
+            "post",
+            "/sns/SendSnsUserPage",
+            json_body={"UserName": towxid, "FirstPageMD5": first_page_md5, "MaxID": int(max_id)},
+            timeout=30,
+        )
+        return dict(data or {})
+
+    async def get_friend_circle_id_detail(self, object_id: Union[str, int], towxid: str = "") -> dict:
+        del towxid
+        data = await self._request_data(
+            "post",
+            "/sns/SendSnsObjectDetailById",
+            json_body={"Id": str(object_id), "BlackList": [], "LocationVal": 0, "Location": {}},
+            timeout=30,
+        )
+        return dict(data or {})
+
+    async def publish_friend_circle(
+        self,
+        content: str,
+        media_items: list[dict] | None = None,
+        blacklist: str = "",
+        with_user_list: str = "",
+    ) -> dict:
+        payload = {
+            "ContentStyle": 1 if media_items else 0,
+            "ContentUrl": "",
+            "Description": "",
+            "Privacy": 0,
+            "Content": content,
+            "MediaList": list(media_items or []),
+            "WithUserList": [item for item in str(with_user_list or "").split(",") if item],
+            "GroupUserList": [],
+            "BlackList": [item for item in str(blacklist or "").split(",") if item],
+            "LocationInfo": None,
+        }
+        data = await self._request_data("post", "/sns/SendFriendCircle", json_body=payload, timeout=60)
+        return dict(data or {})
+
+    async def friend_circle_comment(
+        self,
+        object_id: str,
+        content: str = "",
+        type: int = 2,
+        reply_comment_id: int = 0,
+    ) -> dict:
+        payload = {
+            "SnsCommentList": [{
+                "OpType": int(type),
+                "ItemID": str(object_id),
+                "ToUserName": "",
+                "Content": content,
+                "CreateTime": 0,
+                "ReplyCommentID": int(reply_comment_id),
+                "ReplyItem": {"UserName": "", "NickName": "", "OpType": 0, "Source": 0},
+            }],
+            "Tx": False,
+        }
+        data = await self._request_data("post", "/sns/SendSnsComment", json_body=payload, timeout=30)
+        return {"result": data}
+
+    async def friend_circle_operation(self, object_id: str, type: int, comment_id: int = 0) -> dict:
+        payload = {
+            "SnsObjectOpList": [{
+                "SnsObjID": str(object_id),
+                "OpType": int(type),
+                "DataLen": 0,
+                "Data": [],
+                "Ext": int(comment_id),
+            }]
+        }
+        data = await self._request_data("post", "/sns/SendSnsObjectOp", json_body=payload, timeout=30)
+        return {"result": data}
+
+    async def upload_friend_circle_media(self, media: Union[str, bytes, os.PathLike]) -> dict:
+        if isinstance(media, str):
+            media_base64 = media.split(",", 1)[1] if "," in media else media
+        elif isinstance(media, bytes):
+            media_base64 = base64.b64encode(media).decode()
+        elif isinstance(media, os.PathLike):
+            async with aiofiles.open(media, "rb") as f:
+                media_base64 = base64.b64encode(await f.read()).decode()
+        else:
+            raise ValueError("media should be str, bytes, or path")
+
+        data = await self._request_data(
+            "post",
+            "/sns/UploadFriendCircleImage",
+            json_body={"ImageDataList": [media_base64], "VideoDataList": []},
+            timeout=60,
+        )
+        return {"result": data}
+
+    async def publish_friend_circle_by_xml(self, content: str, media_items: list[dict] | None = None) -> dict:
+        """为后续扩展保留 XML 版本朋友圈发送入口。"""
+        xml_content = build_friend_circle_xml(self.wxid, content, media_items=media_items)
+        data = await self._request_data("post", "/sns/SendFriendCircleByXMl", json_body=xml_content, timeout=60)
+        return {"result": data}
diff --git a/wechat_ipad/providers/server_864/friends.py b/wechat_ipad/providers/server_864/friends.py
new file mode 100644
index 0000000..b63c54b
--- /dev/null
+++ b/wechat_ipad/providers/server_864/friends.py
@@ -0,0 +1,84 @@
+from typing import Union
+
+from wechat_ipad.providers.server_864.base import Server864APIClientBase
+
+
+class FriendMixin(Server864APIClientBase):
+    """864 联系人与通讯录相关接口。"""
+
+    async def get_contact(self, wxid: Union[str, list[str]]) -> Union[dict, list[dict]]:
+        """获取联系人详情，兼容旧调用面。"""
+        detail_list = await self.get_contract_detail(wxid)
+        if isinstance(wxid, str):
+            return detail_list[0] if detail_list else {}
+        return detail_list
+
+    async def get_contract_detail(self, wxid: Union[str, list[str]], chatroom: str = "") -> list:
+        """批量获取联系人详情。"""
+        user_names = [wxid] if isinstance(wxid, str) else list(wxid or [])
+        room_wxid_list = [chatroom] if chatroom else []
+        data = await self._request_data(
+            "post",
+            "/friend/GetContactDetail",
+            json_body={"UserNames": user_names, "RoomWxIDList": room_wxid_list},
+            timeout=30,
+        )
+
+        if isinstance(data, list):
+            return data
+        if not isinstance(data, dict):
+            return []
+
+        contact_list = (
+            data.get("ContactList")
+            or data.get("contactList")
+            or data.get("MemberList")
+            or data.get("memberList")
+            or data.get("UserList")
+            or data.get("userList")
+            or []
+        )
+        return list(contact_list or [])
+
+    async def get_contract_list(self, wx_seq: int = 0, chatroom_seq: int = 0) -> list:
+        """获取通讯录用户名列表。"""
+        data = await self._request_data(
+            "post",
+            "/friend/GetContactList",
+            json_body={
+                "CurrentWxcontactSeq": int(wx_seq),
+                "CurrentChatRoomContactSeq": int(chatroom_seq),
+            },
+            timeout=30,
+        )
+        if isinstance(data, list):
+            return data
+        if not isinstance(data, dict):
+            return []
+        return list(
+            data.get("ContactUsernameList")
+            or data.get("contactUsernameList")
+            or data.get("UserNames")
+            or data.get("userNames")
+            or []
+        )
+
+    async def get_nickname(self, wxid: Union[str, list[str]]) -> Union[str, list[str]]:
+        """根据联系人详情返回昵称。"""
+        data = await self.get_contract_detail(wxid)
+        if isinstance(wxid, str):
+            if not data:
+                return ""
+            nickname = data[0].get("NickName")
+            if isinstance(nickname, dict):
+                return nickname.get("string", "")
+            return nickname or ""
+
+        result = []
+        for contact in data:
+            nickname = contact.get("NickName")
+            if isinstance(nickname, dict):
+                result.append(nickname.get("string", ""))
+            else:
+                result.append(nickname or "")
+        return result
diff --git a/wechat_ipad/providers/server_864/group.py b/wechat_ipad/providers/server_864/group.py
new file mode 100644
index 0000000..1d5b799
--- /dev/null
+++ b/wechat_ipad/providers/server_864/group.py
@@ -0,0 +1,90 @@
+from typing import Any, Union
+
+from wechat_ipad.providers.server_864.base import Server864APIClientBase
+
+
+class ChatroomMixin(Server864APIClientBase):
+    """864 群聊相关接口。"""
+
+    async def get_chatroom_info(self, chatroom: str) -> dict:
+        """获取单个群详情。"""
+        data = await self._request_data(
+            "post",
+            "/group/GetChatRoomInfo",
+            json_body={"ChatRoomWxIdList": [chatroom]},
+            timeout=30,
+        )
+        if isinstance(data, list):
+            return dict(data[0] or {}) if data else {}
+        if not isinstance(data, dict):
+            return {}
+
+        contact_list = data.get("ContactList") or data.get("contactList") or []
+        if contact_list:
+            return dict(contact_list[0] or {})
+        return dict(data)
+
+    async def get_chatroom_member_list(self, chatroom: str) -> list[dict]:
+        """获取群成员列表。"""
+        data = await self._request_data(
+            "post",
+            "/group/GetChatroomMemberDetail",
+            json_body={"ChatRoomName": chatroom},
+            timeout=30,
+        )
+        if isinstance(data, list):
+            return list(data)
+        if not isinstance(data, dict):
+            return []
+        return list(
+            data.get("ChatRoomMember")
+            or data.get("chatRoomMember")
+            or (data.get("NewChatroomData") or {}).get("ChatRoomMember", [])
+            or (data.get("newChatroomData") or {}).get("chatRoomMember", [])
+            or data.get("MemberList")
+            or []
+        )
+
+    async def get_chatroom_announce(self, chatroom: str) -> dict:
+        """获取群公告详情。"""
+        data = await self._request_data(
+            "post",
+            "/group/GetChatRoomInfoDetail",
+            json_body={"ChatRoomName": chatroom},
+            timeout=30,
+        )
+        return dict(data or {})
+
+    async def get_chatroom_qrcode(self, chatroom: str) -> dict[str, Any]:
+        """获取群二维码。"""
+        data = await self._request_data(
+            "post",
+            "/group/GetChatroomQrCode",
+            json_body={"ChatRoomName": chatroom},
+            timeout=30,
+        )
+        return {
+            "base64": str(self._pick_first(data, "QrCode", "qrcode", "QrCodeBase64", "base64") or ""),
+            "description": str(self._pick_first(data, "Desc", "desc", "Description", "description") or ""),
+        }
+
+    async def get_chatroom_nickname(self, wxid: Union[str, list[str]], chatroom: str) -> Union[str, list[str]]:
+        """获取成员在群内的展示昵称。"""
+        members = await self.get_chatroom_member_list(chatroom)
+        member_map = {}
+        for member in members:
+            member_wxid = str(member.get("UserName", "") or "")
+            nickname = member.get("DisplayName") or member.get("NickName") or member_wxid
+            member_map[member_wxid] = nickname
+
+        if isinstance(wxid, str):
+            return str(member_map.get(wxid, ""))
+        return [str(member_map.get(single_wxid, "")) for single_wxid in wxid]
+
+    async def get_chatroom_member_detail(self, wxid: str, chatroom: str) -> dict:
+        """获取单个群成员详情。"""
+        members = await self.get_chatroom_member_list(chatroom)
+        for member in members:
+            if str(member.get("UserName", "") or "") == wxid:
+                return dict(member)
+        return {}
diff --git a/wechat_ipad/providers/server_864/login.py b/wechat_ipad/providers/server_864/login.py
new file mode 100644
index 0000000..fda8843
--- /dev/null
+++ b/wechat_ipad/providers/server_864/login.py
@@ -0,0 +1,84 @@
+import qrcode
+
+from wechat_ipad.providers.server_864.base import Server864APIClientBase
+
+
+class LoginMixin(Server864APIClientBase):
+    """864 登录相关接口。"""
+
+    async def get_qr_code(
+        self,
+        device_name: str = "",
+        device_id: str = "",
+        proxy=None,
+        print_qr: bool = False,
+    ) -> tuple[str, str]:
+        """获取 864 登录二维码。
+
+        说明：
+        1. 864 不依赖 855 的 `device_name/device_id` 入参，但保留参数签名以兼容上层调用；
+        2. `proxy` 当前仅保留兼容占位，后续如需补实际代理登录，可直接映射到 swagger 的 Proxy 字段；
+        3. 返回值继续保持 `(uuid, url)`，方便 Dashboard 与运行时共用同一套二维码展示逻辑。
+        """
+        del device_name, device_id
+        proxy_value = ""
+        if proxy is not None:
+            proxy_value = getattr(proxy, "proxy", "") or ""
+
+        data = await self._request_data(
+            "post",
+            "/login/GetLoginQrCodeNew",
+            json_body={"Proxy": proxy_value, "Check": False},
+            timeout=30,
+        )
+        uuid = self._pick_first(data, "UUID", "Uuid", "uuid") or ""
+        qr_url = (
+            self._pick_first(data, "QrUrl", "QRUrl", "qrUrl")
+            or self._pick_first(self._pick_first(data, "Qrcode", "QrCode", "qrcode") or {}, "Src", "src")
+            or ""
+        )
+
+        if print_qr and uuid:
+            qr = qrcode.QRCode(
+                version=1,
+                error_correction=qrcode.constants.ERROR_CORRECT_L,
+                box_size=10,
+                border=4,
+            )
+            qr.add_data(f"http://weixin.qq.com/x/{uuid}")
+            qr.make(fit=True)
+            qr.print_ascii()
+
+        return str(uuid), str(qr_url)
+
+    async def check_login_status(self) -> tuple[bool, dict]:
+        """检查当前二维码登录状态。"""
+        data = await self._request_data("get", "/login/CheckLoginStatus", timeout=20)
+        normalized = dict(data or {})
+        state = int(normalized.get("state", 0) or 0)
+        login_state = str(normalized.get("loginState", "") or "").strip().lower()
+        return state == 2 or login_state == "online", normalized
+
+    async def get_init_status(self) -> bool:
+        """检查 server 侧初始化是否完成。"""
+        data = await self._request_data("get", "/login/GetInItStatus", timeout=15)
+        return bool(data)
+
+    async def awaken_login(self, wxid: str = "") -> dict:
+        """触发 864 的唤醒登录。"""
+        del wxid
+        return await self._request_data("post", "/login/WakeUpLogin", timeout=30)
+
+    async def get_login_status(self, auto_login: bool = True) -> dict:
+        """获取 864 在线状态。"""
+        return await self._request_data(
+            "get",
+            "/login/GetLoginStatus",
+            params={"autoLogin": str(bool(auto_login)).lower()},
+            timeout=20,
+        )
+
+    async def log_out(self) -> bool:
+        """退出当前 864 登录态。"""
+        await self._request_data("get", "/login/LogOutRequest", timeout=15)
+        return True
diff --git a/wechat_ipad/providers/server_864/message.py b/wechat_ipad/providers/server_864/message.py
new file mode 100644
index 0000000..8d47931
--- /dev/null
+++ b/wechat_ipad/providers/server_864/message.py
@@ -0,0 +1,284 @@
+import asyncio
+import base64
+import os
+import time
+from asyncio import Future, Queue, sleep
+from typing import Union
+
+import aiofiles
+
+from utils.trace_context import format_trace_prefix
+from wechat_ipad.providers.server_864.base import Server864APIClientBase
+
+
+class MessageMixin(Server864APIClientBase):
+    """864 消息发送与消息同步接口。"""
+
+    def __init__(self):
+        # 这里不能再走 `super().__init__()`：
+        # 1. provider 显式构造时已经先初始化过 `Server864APIClientBase`；
+        # 2. 若继续沿 MRO 调 `super()`，会再次命中基类构造并要求重复传 ip/port；
+        # 3. 因此消息模块只初始化自己独有的发送队列状态即可。
+        self._message_queue = Queue()
+        self._is_processing = False
+
+    async def _process_message_queue(self):
+        """串行处理消息发送，保持现有项目的节流语义。"""
+        if self._is_processing:
+            return
+
+        self._is_processing = True
+        while True:
+            if self._message_queue.empty():
+                self._is_processing = False
+                break
+
+            func, args, kwargs, future = await self._message_queue.get()
+            try:
+                result = await func(*args, **kwargs)
+                future.set_result(result)
+            except Exception as e:
+                future.set_exception(e)
+            finally:
+                self._message_queue.task_done()
+                await sleep(1)
+
+    async def _queue_message(self, func, *args, **kwargs):
+        """将发送动作排入本地发送队列。"""
+        future = Future()
+        await self._message_queue.put((func, args, kwargs, future))
+        if not self._is_processing:
+            asyncio.create_task(self._process_message_queue())
+        return await future
+
+    @staticmethod
+    def _normalize_base64_payload(data: Union[str, bytes, os.PathLike]) -> str:
+        """把图片/语音等输入统一转成 base64 字符串。"""
+        if isinstance(data, str):
+            return data.split(",", 1)[1] if "," in data else data
+        if isinstance(data, bytes):
+            return base64.b64encode(data).decode()
+        raise ValueError("需要先读取文件路径后再处理")
+
+    async def _read_base64_payload(self, data: Union[str, bytes, os.PathLike]) -> str:
+        """兼容路径/字节/字符串三种输入。"""
+        if isinstance(data, os.PathLike):
+            async with aiofiles.open(data, "rb") as f:
+                return base64.b64encode(await f.read()).decode()
+        return self._normalize_base64_payload(data)
+
+    def _extract_send_message_result(self, data, *, fallback_target: str = "") -> tuple[int, int, int]:
+        """把 864 的发送回执尽量归一化成旧项目习惯的三元组。"""
+        if isinstance(data, list) and data:
+            item = dict(data[0] or {})
+        elif isinstance(data, dict):
+            item = dict(data)
+        else:
+            item = {}
+
+        resp = item.get("resp") or {}
+        base_response = resp.get("BaseResponse") or resp.get("baseResponse") or {}
+
+        client_msg_id = (
+            item.get("ClientMsgId")
+            or item.get("clientMsgId")
+            or resp.get("ClientMsgId")
+            or resp.get("clientMsgId")
+            or resp.get("MsgId")
+            or resp.get("msgId")
+        )
+        create_time = item.get("CreateTime") or item.get("createTime") or int(time.time())
+        new_msg_id = (
+            item.get("NewMsgId")
+            or item.get("newMsgId")
+            or resp.get("NewMsgId")
+            or resp.get("newMsgId")
+            or resp.get("MsgSvrId")
+            or resp.get("msgSvrId")
+        )
+
+        if client_msg_id is None and base_response.get("Ret") == 0:
+            return self._next_fallback_message_ids()
+
+        if client_msg_id is None:
+            client_msg_id, fallback_create_time, fallback_new_msg_id = self._next_fallback_message_ids()
+            return client_msg_id, fallback_create_time, fallback_new_msg_id
+
+        return int(client_msg_id), int(create_time or 0), int(new_msg_id or 0)
+
+    async def send_text_message(self, wxid: str, content: str, at: Union[list, str] = "") -> tuple[int, int, int]:
+        return await self._queue_message(self._send_text_message, wxid, content, at)
+
+    async def _send_text_message(self, wxid: str, content: str, at: Union[list, str] = "") -> tuple[int, int, int]:
+        at_list = [item for item in (at if isinstance(at, list) else str(at or "").split(",")) if item]
+        data = await self._request_data(
+            "post",
+            "/message/SendTextMessage",
+            json_body={"MsgItem": [{
+                "ToUserName": wxid,
+                "TextContent": content,
+                "ImageContent": "",
+                "MsgType": 1,
+                "AtWxIDList": at_list,
+            }]},
+            timeout=20,
+        )
+        return self._extract_send_message_result(data, fallback_target=wxid)
+
+    async def send_image_message(self, wxid: str, image: Union[str, bytes, os.PathLike]) -> tuple[int, int, int]:
+        return await self._queue_message(self._send_image_message, wxid, image)
+
+    async def _send_image_message(self, wxid: str, image: Union[str, bytes, os.PathLike]) -> tuple[int, int, int]:
+        image_base64 = await self._read_base64_payload(image)
+        data = await self._request_data(
+            "post",
+            "/message/SendImageMessage",
+            json_body={"MsgItem": [{
+                "ToUserName": wxid,
+                "TextContent": "",
+                "ImageContent": image_base64,
+                "MsgType": 2,
+                "AtWxIDList": [],
+            }]},
+            timeout=60,
+        )
+        return self._extract_send_message_result(data, fallback_target=wxid)
+
+    async def send_voice_message(
+        self,
+        wxid: str,
+        voice: Union[str, bytes, os.PathLike],
+        format: str = "silk",
+    ) -> tuple[int, int, int]:
+        return await self._queue_message(self._send_voice_message, wxid, voice, format)
+
+    async def _send_voice_message(
+        self,
+        wxid: str,
+        voice: Union[str, bytes, os.PathLike],
+        format: str = "silk",
+    ) -> tuple[int, int, int]:
+        voice_base64 = await self._read_base64_payload(voice)
+        data = await self._request_data(
+            "post",
+            "/message/UploadVoiceRequest",
+            json_body={
+                "ToUserName": wxid,
+                "VoiceData": voice_base64,
+                "VoiceSecond": 1,
+                "VoiceFormat": 4 if str(format).lower() in {"silk", "wav", "mp3"} else 0,
+            },
+            timeout=60,
+        )
+        return self._extract_send_message_result(data, fallback_target=wxid)
+
+    async def send_link_xml_message(self, xml: str, towxid: str) -> tuple[int, int, int]:
+        return await self._queue_message(self._send_link_xml_message, xml, towxid)
+
+    async def _send_link_xml_message(self, xml: str, towxid: str) -> tuple[int, int, int]:
+        data = await self._request_data(
+            "post",
+            "/message/SendAppMessage",
+            json_body={"AppList": [{
+                "ToUserName": towxid,
+                "ContentXML": xml,
+                "ContentType": 5,
+            }]},
+            timeout=20,
+        )
+        return self._extract_send_message_result(data, fallback_target=towxid)
+
+    async def send_link_message(
+        self,
+        wxid: str,
+        url: str,
+        title: str = "",
+        description: str = "",
+        thumb_url: str = "",
+    ) -> tuple[int, int, int]:
+        xml = (
+            f"<msg><appmsg><title>{title}</title><des>{description}</des>"
+            f"<url>{url}</url><thumburl>{thumb_url}</thumburl></appmsg></msg>"
+        )
+        return await self.send_link_xml_message(xml, wxid)
+
+    async def send_emoji_message(self, wxid: str, md5: str, total_length: int):
+        return await self._queue_message(self._send_emoji_message, wxid, md5, total_length)
+
+    async def _send_emoji_message(self, wxid: str, md5: str, total_length: int):
+        return await self._request_data(
+            "post",
+            "/message/SendEmojiMessage",
+            json_body={"EmojiList": [{
+                "ToUserName": wxid,
+                "EmojiMd5": md5,
+                "EmojiSize": int(total_length),
+            }]},
+            timeout=20,
+        )
+
+    async def revoke_message(self, wxid: str, client_msg_id: int, create_time: int, new_msg_id: int) -> bool:
+        del create_time
+        await self._request_data(
+            "post",
+            "/message/RevokeMsgNew",
+            json_body={
+                "NewMsgId": str(new_msg_id),
+                "ClientMsgId": int(client_msg_id),
+                "CreateTime": int(time.time()),
+                "ToUserName": wxid,
+            },
+            timeout=20,
+        )
+        return True
+
+    async def send_video_message(self, wxid: str, video: Union[str, bytes, os.PathLike], image=None):
+        """864 首版暂未做视频主动发送，先明确抛错避免静默失败。"""
+        del wxid, video, image
+        raise NotImplementedError("server_864 第一版暂未实现 send_video_message，可后续补 CDN 视频发送适配")
+
+    async def send_card_message(self, wxid: str, card_wxid: str, card_nickname: str, card_alias: str = ""):
+        del wxid, card_wxid, card_nickname, card_alias
+        raise NotImplementedError("server_864 第一版暂未实现 send_card_message")
+
+    async def send_app_message(self, wxid: str, xml: str, type: int):
+        data = await self._request_data(
+            "post",
+            "/message/SendAppMessage",
+            json_body={"AppList": [{
+                "ToUserName": wxid,
+                "ContentXML": xml,
+                "ContentType": int(type),
+            }]},
+            timeout=20,
+        )
+        return self._extract_send_message_result(data, fallback_target=wxid)
+
+    async def sync_message(self, count: int = 0) -> dict:
+        """轮询 864 的 HTTP 同步消息接口，并归一化成 `AddMsgs` 结构。"""
+        data = await self._request_data(
+            "post",
+            "/message/HttpSyncMsg",
+            json_body={"Count": int(count)},
+            timeout=25,
+        )
+
+        if isinstance(data, dict) and "AddMsgs" in data:
+            return data
+
+        if isinstance(data, list):
+            return {"AddMsgs": data, "raw": data}
+
+        if isinstance(data, dict):
+            add_msgs = (
+                data.get("AddMsgs")
+                or data.get("Msgs")
+                or data.get("MsgList")
+                or data.get("msgList")
+                or data.get("Messages")
+                or data.get("messages")
+                or []
+            )
+            return {"AddMsgs": list(add_msgs or []), "raw": data}
+
+        return {"AddMsgs": [], "raw": data}
diff --git a/wechat_ipad/providers/server_864/provider.py b/wechat_ipad/providers/server_864/provider.py
new file mode 100644
index 0000000..a4cc111
--- /dev/null
+++ b/wechat_ipad/providers/server_864/provider.py
@@ -0,0 +1,38 @@
+from wechat_ipad.provider_base import WechatProviderBase
+from wechat_ipad.providers.server_864.base import Server864APIClientBase
+from wechat_ipad.providers.server_864.friend_circle import FriendCircleMixin
+from wechat_ipad.providers.server_864.friends import FriendMixin
+from wechat_ipad.providers.server_864.group import ChatroomMixin
+from wechat_ipad.providers.server_864.login import LoginMixin
+from wechat_ipad.providers.server_864.message import MessageMixin
+from wechat_ipad.providers.server_864.runtime import Server864RuntimeMixin
+from wechat_ipad.providers.server_864.user import UserMixin
+
+
+class Server864WechatClient(
+    LoginMixin,
+    MessageMixin,
+    FriendCircleMixin,
+    FriendMixin,
+    ChatroomMixin,
+    UserMixin,
+    Server864RuntimeMixin,
+    WechatProviderBase,
+):
+    """864 风格 server 的独立 provider。
+
+    说明：
+    1. 这里保持与 855 provider 类似的模块拆分方式，方便未来继续并行维护多个 server；
+    2. 但内部实现完全独立，不在 855 provider 里堆 `if server_type == 864` 分支；
+    3. 第一版优先覆盖当前项目真实主链路与常用管理能力，后续再按需要补更多高级接口。
+    """
+
+    provider_name = "server_864"
+    server_type = "server_864"
+
+    def __init__(self, ip: str, port: int, **kwargs):
+        """初始化 864 provider。"""
+        server_key = str(kwargs.pop("server_key", "") or "").strip()
+        Server864APIClientBase.__init__(self, ip, port, server_key=server_key, **kwargs)
+        MessageMixin.__init__(self)
+        self._init_runtime_state()
diff --git a/wechat_ipad/providers/server_864/runtime.py b/wechat_ipad/providers/server_864/runtime.py
new file mode 100644
index 0000000..5dc6c41
--- /dev/null
+++ b/wechat_ipad/providers/server_864/runtime.py
@@ -0,0 +1,246 @@
+import asyncio
+import os
+import time
+from typing import Any, Awaitable, Callable
+
+import toml
+
+
+AsyncCallback = Callable[..., Awaitable[None]]
+
+
+class Server864RuntimeMixin:
+    """864 provider 的运行时编排。
+
+    设计说明：
+    1. 864 的差异重点在于“固定 key + server 侧维护更多登录状态”；
+    2. 因此这里不再照搬 855 的心跳/长心跳双循环，而是采用“登录确认 + 初始化等待 + HTTP 消息轮询”；
+    3. 这样能先把现有 Robot 主链路无感切到 864，后续若要补 WS 监听也只需在本目录内演进。
+    """
+
+    def _init_runtime_state(self) -> None:
+        self._runtime_running = False
+
+    def stop_runtime(self) -> None:
+        self._runtime_running = False
+
+    def is_runtime_running(self) -> bool:
+        return bool(getattr(self, "_runtime_running", False))
+
+    async def run_runtime(
+        self,
+        *,
+        ipad_config: dict,
+        state_path: str,
+        logger,
+        on_login_ready: AsyncCallback,
+        on_history_message: AsyncCallback,
+        on_message: AsyncCallback,
+        on_idle_payload: AsyncCallback | None = None,
+        on_logout: AsyncCallback | None = None,
+        on_runtime_state_change: AsyncCallback | None = None,
+        on_login_qr_update: AsyncCallback | None = None,
+        on_login_qr_cleared: AsyncCallback | None = None,
+    ) -> None:
+        """启动 864 provider 的运行时主循环。"""
+        del on_history_message
+        server_key = str(ipad_config.get("server_key", "") or "").strip()
+        if not server_key:
+            raise ValueError("server_864 启动失败：缺少 server_key，请在 .env 中配置 WECHAT_SERVER_KEY")
+        self.server_key = server_key
+
+        await self._ensure_login(
+            ipad_config=ipad_config,
+            state_path=state_path,
+            logger=logger,
+            on_login_qr_update=on_login_qr_update,
+            on_login_qr_cleared=on_login_qr_cleared,
+        )
+
+        await on_login_ready(self.get_login_identity())
+        logger.info("server_864 登录成功")
+
+        await self._set_runtime_running(True, on_runtime_state_change=on_runtime_state_change, logger=logger)
+
+        try:
+            logger.info("开始处理 server_864 消息轮询")
+            while self.is_runtime_running():
+                try:
+                    data_temp = await self.sync_message()
+                except Exception as e:
+                    logger.error(f"server_864 获取新消息失败: {e}")
+                    await self._safe_callback(on_logout, str(e), logger=logger, callback_name="on_logout")
+                    await self._set_runtime_running(False, on_runtime_state_change=on_runtime_state_change, logger=logger)
+                    break
+
+                data = data_temp.get("AddMsgs") or []
+                if data:
+                    for message in data:
+                        await self._safe_callback(on_message, message, logger=logger, callback_name="on_message")
+                elif on_idle_payload:
+                    await self._safe_callback(
+                        on_idle_payload,
+                        data_temp,
+                        logger=logger,
+                        callback_name="on_idle_payload",
+                    )
+
+                await asyncio.sleep(2)
+        finally:
+            await self._set_runtime_running(False, on_runtime_state_change=on_runtime_state_change, logger=logger)
+
+    async def _ensure_login(
+        self,
+        *,
+        ipad_config: dict,
+        state_path: str,
+        logger,
+        on_login_qr_update: AsyncCallback | None = None,
+        on_login_qr_cleared: AsyncCallback | None = None,
+    ) -> None:
+        """确保 864 已完成登录。"""
+        if await self.is_logged_in():
+            await self._refresh_identity_from_profile(logger=logger)
+            await self._safe_callback(
+                on_login_qr_cleared,
+                {"status": "logged_in", "status_text": "已检测到现有登录态"},
+                logger=logger,
+                callback_name="on_login_qr_cleared",
+            )
+            return
+
+        uuid, url = await self.get_qr_code(print_qr=True)
+        scan_url = f"http://weixin.qq.com/x/{uuid}" if uuid else ""
+        await self._safe_callback(
+            on_login_qr_update,
+            {
+                "uuid": uuid,
+                "url": url,
+                "scan_url": scan_url,
+                "expires_in": None,
+                "status": "waiting",
+                "status_text": "等待扫码登录",
+                "login_source": "fresh_qr",
+            },
+            logger=logger,
+            callback_name="on_login_qr_update",
+        )
+
+        while True:
+            is_logged_in, login_status = await self.check_login_status()
+            if is_logged_in:
+                await self._safe_callback(
+                    on_login_qr_cleared,
+                    {"status": "confirmed", "status_text": "扫码登录成功", "uuid": uuid},
+                    logger=logger,
+                    callback_name="on_login_qr_cleared",
+                )
+                break
+
+            await self._safe_callback(
+                on_login_qr_update,
+                {
+                    "uuid": uuid,
+                    "url": url,
+                    "scan_url": scan_url,
+                    "expires_in": None,
+                    "status": "waiting",
+                    "status_text": str(login_status.get("msg") or login_status.get("loginState") or "等待扫码登录"),
+                    "login_source": "fresh_qr",
+                },
+                logger=logger,
+                callback_name="on_login_qr_update",
+            )
+            await asyncio.sleep(5)
+
+        await self._wait_init_ready(logger=logger)
+        await self._refresh_identity_from_profile(logger=logger)
+        ipad_config["wxid"] = self.wxid
+        ipad_config["login_time"] = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
+        self._save_runtime_state(
+            state_path=state_path,
+            state_payload={"wxid": self.wxid, "login_time": ipad_config["login_time"]},
+            logger=logger,
+        )
+
+    async def _wait_init_ready(self, *, logger) -> None:
+        """等待 864 server 侧初始化完成。"""
+        for _ in range(30):
+            try:
+                if await self.get_init_status():
+                    return
+            except Exception as e:
+                logger.warning(f"server_864 检查初始化状态失败: {e}")
+            await asyncio.sleep(2)
+
+    async def _refresh_identity_from_profile(self, *, logger) -> None:
+        """从 864 的资料接口刷新当前登录身份。"""
+        profile = await self.get_profile()
+        self.wxid = str(
+            profile.get("UserName")
+            or profile.get("userName")
+            or profile.get("Wxid")
+            or profile.get("wxid")
+            or self.wxid
+        )
+        nickname = profile.get("NickName") or profile.get("nickName") or profile.get("Nickname") or ""
+        if isinstance(nickname, dict):
+            nickname = nickname.get("string", "")
+        alias = profile.get("Alias") or profile.get("alias") or ""
+        phone = profile.get("Mobile") or profile.get("mobile") or profile.get("BindMobile") or ""
+        if isinstance(phone, dict):
+            phone = phone.get("string", "")
+        signature = profile.get("Signature") or profile.get("signature") or ""
+
+        self.nickname = str(nickname or "")
+        self.alias = str(alias or "")
+        self.phone = str(phone or "")
+        self.signature = str(signature or "")
+        logger.info(
+            f"server_864 登录账号信息: wxid: {self.wxid}  昵称: {self.nickname}  微信号: {self.alias}  手机号: {self.phone}"
+        )
+
+    @staticmethod
+    def _save_runtime_state(*, state_path: str, state_payload: dict[str, Any], logger) -> None:
+        """保存 864 provider 的本地登录缓存。"""
+        try:
+            normalized_path = str(state_path or "").strip()
+            if not normalized_path:
+                return
+            state_dir = os.path.dirname(normalized_path)
+            if state_dir:
+                os.makedirs(state_dir, exist_ok=True)
+            with open(normalized_path, "w", encoding="utf-8") as f:
+                toml.dump(state_payload, f)
+        except Exception as e:
+            logger.warning(f"写入 server_864 本地状态失败: path={state_path}, error={e}")
+
+    async def _set_runtime_running(self, running: bool, *, on_runtime_state_change: AsyncCallback | None, logger) -> None:
+        self._runtime_running = running
+        if on_runtime_state_change:
+            await self._safe_callback(
+                on_runtime_state_change,
+                running,
+                logger=logger,
+                callback_name="on_runtime_state_change",
+            )
+
+    async def _safe_callback(self, callback: AsyncCallback | None, *args: Any, logger, callback_name: str) -> None:
+        if callback is None:
+            return
+        try:
+            await callback(*args)
+        except Exception as e:
+            logger.exception(f"执行回调失败: {callback_name}, error: {e}")
+
+    def get_login_identity(self) -> dict[str, Any]:
+        """返回统一登录身份结构。"""
+        return {
+            "wxid": self.wxid,
+            "nickname": self.nickname,
+            "alias": self.alias,
+            "phone": self.phone,
+            "signature": getattr(self, "signature", ""),
+            "device_name": "",
+            "device_id": "",
+        }
diff --git a/wechat_ipad/providers/server_864/user.py b/wechat_ipad/providers/server_864/user.py
new file mode 100644
index 0000000..c71ff8b
--- /dev/null
+++ b/wechat_ipad/providers/server_864/user.py
@@ -0,0 +1,46 @@
+from loguru import logger
+
+from wechat_ipad.providers.server_864.base import Server864APIClientBase
+
+
+class UserMixin(Server864APIClientBase):
+    """864 用户资料相关接口。"""
+
+    async def get_profile(self, wxid: str = None) -> dict:
+        """获取当前登录账号的资料。"""
+        del wxid
+        data = await self._request_data("get", "/user/GetProfile", timeout=20)
+        return dict(data or {})
+
+    async def get_profile_info_ext(self, wxid: str = None) -> dict:
+        """获取扩展资料。
+
+        说明：
+        1. 864 当前公开接口只直接暴露“当前账号资料”；
+        2. 为了兼容项目现有调用面，这里先从主资料中补常见字段；
+        3. 若后续发现 864 某个版本提供了专门扩展接口，再局部替换即可。
+        """
+        del wxid
+        profile = await self.get_profile()
+        return dict(profile.get("userInfoExt", {}) or profile.get("UserInfoExt", {}) or profile)
+
+    async def get_my_qrcode(self, style: int = 8) -> str:
+        """获取当前登录账号个人二维码。"""
+        data = await self._request_data(
+            "post",
+            "/user/GetMyQrCode",
+            json_body={"Style": int(style), "Recover": False},
+            timeout=20,
+        )
+        qrcode_info = self._pick_first(data, "qrcode", "Qrcode", "QrCode") or {}
+        return str(self._pick_first(qrcode_info, "buffer", "Buffer", "src", "Src") or "")
+
+    async def is_logged_in(self, wxid: str = None) -> bool:
+        """检查 864 当前账号是否在线。"""
+        del wxid
+        try:
+            await self.get_profile()
+            return True
+        except Exception as e:
+            logger.error("server_864 is_logged_in:{}", e)
+            return False