diff --git a/core/douyu/activity_client.py b/core/douyu/activity_client.py
index a6c243e..dd40f01 100644
--- a/core/douyu/activity_client.py
+++ b/core/douyu/activity_client.py
@@ -11,7 +11,12 @@ from urllib.parse import parse_qs, unquote, urlsplit, urlunsplit
 
 import requests
 
-from .cookie_utils import cookie_pairs, cookie_value, normalize_cookie_pairs, normalize_douyu_cookie
+from .cookie_utils import (
+    cookie_pairs,
+    cookie_value,
+    normalize_cookie_pairs,
+    normalize_douyu_cookie,
+)
 
 
 PC_UA = (
@@ -37,9 +42,15 @@ class DouyuActivityClient:
     BIND_INFO_V2_API = "https://www.douyu.com/japi/carnivalApi/v2/tencent/bindInfo"
     BIND_API = "https://www.douyu.com/japi/carnivalApi/tencent/bind"
     GOODS_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/storehome"
-    CREATE_EXCHANGE_ORDER_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/createExchangeOrder"
-    PAY_EXCHANGE_ORDER_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/payExchangeOrder"
-    EXCHANGE_ORDER_LIST_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/getExchangeOrderList"
+    CREATE_EXCHANGE_ORDER_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/createExchangeOrder"
+    )
+    PAY_EXCHANGE_ORDER_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/payExchangeOrder"
+    )
+    EXCHANGE_ORDER_LIST_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/getExchangeOrderList"
+    )
     EXCHANGE_LIST_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/exchangeList"
     # 2026-08-30 页面新增链路（对齐浏览器）：
     # 预兑 user/queryExchange -> user/confirmExchange；取消预兑 user/queryCancelExchange -> user/cancelExchange；
@@ -47,29 +58,63 @@ class DouyuActivityClient:
     ELITE_USER_INFO_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/getUserInfo"
     GOODS_DETAIL_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/storedetail"
     EXCHANGE_GIFT_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/exchange"
-    PRE_EXCHANGE_CHECK_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/user/queryExchange"
-    PRE_EXCHANGE_CONFIRM_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/user/confirmExchange"
-    PRE_EXCHANGE_CANCEL_CHECK_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/user/queryCancelExchange"
-    PRE_EXCHANGE_CANCEL_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/user/cancelExchange"
-    COMMODITY_SUBSCRIBE_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/user/sub"
-    COMMODITY_UNSUBSCRIBE_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/user/cancelSub"
-    BATCH_EXCHANGE_LIMIT_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/batchExchangeLimit"
-    AUTO_CONVERT_QUERY_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/activity/automaticallyConvert"
+    PRE_EXCHANGE_CHECK_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/user/queryExchange"
+    )
+    PRE_EXCHANGE_CONFIRM_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/user/confirmExchange"
+    )
+    PRE_EXCHANGE_CANCEL_CHECK_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/user/queryCancelExchange"
+    )
+    PRE_EXCHANGE_CANCEL_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/user/cancelExchange"
+    )
+    COMMODITY_SUBSCRIBE_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/user/sub"
+    )
+    COMMODITY_UNSUBSCRIBE_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/user/cancelSub"
+    )
+    BATCH_EXCHANGE_LIMIT_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/batchExchangeLimit"
+    )
+    AUTO_CONVERT_QUERY_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/activity/automaticallyConvert"
+    )
     AUTO_CONVERT_SAVE_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/activity/automaticallyConvertSave"
-    EXCHANGE_HOME_API = "https://www.douyu.com/wgapi/ordnc/activity/peace/activity/exchangeHome"
+    EXCHANGE_HOME_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peace/activity/exchangeHome"
+    )
     CREDIT_BALANCE_API = "https://www.douyu.com/japi/oms/web/peace/credit/balance"
     CREDIT_DIFF_API = "https://www.douyu.com/japi/oms/web/peace/credit/diff"
     PEACE_ITEM_API = "https://www.douyu.com/japi/oms/web/peace/item"
     PEACE_TIME_API = "https://www.douyu.com/japi/oms/web/peace/time"
     PAY_QR_API = "https://www.douyu.com/japi/oms/web/pay/getQrCode"
-    ESPORTS_BIND_INFO_API = "https://www.douyu.com/wgapi/ordnc/live/memberthird/tencent/bindInfo"
-    ESPORTS_BIND_ROLE_PARAM_API = "https://www.douyu.com/wgapi/ordnc/live/memberthird/tencent/bindRoleParam"
-    ESPORTS_CSRF_API = "https://www.douyu.com/wgapi/livenc/liveweb/csrfApi/getCsrfCookie"
-    ESPORTS_AGREEMENT_API = "https://www.douyu.com/wgapi/ordnc/activity/peacematch/agreement"
-    ESPORTS_ACT_BIND_API = "https://www.douyu.com/wgapi/ordnc/live/memberthird/tencent/actBind"
-    ESPORTS_USER_INFO_API = "https://www.douyu.com/wgapi/ordnc/activity/peacematch/getUserInfo"
-    ESPORTS_GOODS_API = "https://www.douyu.com/wgapi/ordnc/activity/peacematch/storehome"
-    ESPORTS_EXCHANGE_API = "https://www.douyu.com/wgapi/ordnc/activity/peacematch/exchange"
+    ESPORTS_BIND_INFO_API = (
+        "https://www.douyu.com/wgapi/ordnc/live/memberthird/tencent/bindInfo"
+    )
+    ESPORTS_BIND_ROLE_PARAM_API = (
+        "https://www.douyu.com/wgapi/ordnc/live/memberthird/tencent/bindRoleParam"
+    )
+    ESPORTS_CSRF_API = (
+        "https://www.douyu.com/wgapi/livenc/liveweb/csrfApi/getCsrfCookie"
+    )
+    ESPORTS_AGREEMENT_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peacematch/agreement"
+    )
+    ESPORTS_ACT_BIND_API = (
+        "https://www.douyu.com/wgapi/ordnc/live/memberthird/tencent/actBind"
+    )
+    ESPORTS_USER_INFO_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peacematch/getUserInfo"
+    )
+    ESPORTS_GOODS_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peacematch/storehome"
+    )
+    ESPORTS_EXCHANGE_API = (
+        "https://www.douyu.com/wgapi/ordnc/activity/peacematch/exchange"
+    )
     GOLD_QR_API = "https://cz.douyu.com/m/gold/getQrCode"
     GOLD_ACCOUNT_API = "https://cz.douyu.com/item/gold/account"
     EXCHANGE_BALANCE_API = "https://www.douyu.com/wjapi/nc/exchange/fim"
@@ -91,11 +136,13 @@ class DouyuActivityClient:
         if proxies:
             self.session.proxies.update(proxies)
         self.session.trust_env = False
-        self.session.headers.update({
-            "User-Agent": PC_UA,
-            "Accept": "application/json, text/plain, */*",
-            "Accept-Language": "zh-CN,zh;q=0.9",
-        })
+        self.session.headers.update(
+            {
+                "User-Agent": PC_UA,
+                "Accept": "application/json, text/plain, */*",
+                "Accept-Language": "zh-CN,zh;q=0.9",
+            }
+        )
         self._load_cookie(self.cookie)
 
     @staticmethod
@@ -114,18 +161,22 @@ class DouyuActivityClient:
     def _merge_response_cookie(self, response: requests.Response) -> None:
         if not response.cookies:
             return
-        self.cookie = normalize_cookie_pairs([
-            *cookie_pairs(self.cookie),
-            *[(key, value) for key, value in response.cookies.items()],
-        ])
+        self.cookie = normalize_cookie_pairs(
+            [
+                *cookie_pairs(self.cookie),
+                *[(key, value) for key, value in response.cookies.items()],
+            ]
+        )
         self._load_cookie(self.cookie)
 
     def _set_cookie_value(self, key: str, value: str) -> None:
         """写入单个 Cookie 值，确保手动 Cookie 请求头与 Session 一致。"""
-        self.cookie = normalize_cookie_pairs([
-            *cookie_pairs(self.cookie),
-            (key, value),
-        ])
+        self.cookie = normalize_cookie_pairs(
+            [
+                *cookie_pairs(self.cookie),
+                (key, value),
+            ]
+        )
         self._load_cookie(self.cookie)
 
     def _headers(self, referer: str = "https://www.douyu.com/") -> dict[str, str]:
@@ -158,7 +209,9 @@ class DouyuActivityClient:
             f"location={safe_location} history={response.status_code}->{safe_location}"
         )
         self.logger(f"{source}: 已拦截重定向 | {trace}")
-        return DouyuActivityError(f"{source} 请求被重定向，Cookie 已失效，请重新登录（{trace}）")
+        return DouyuActivityError(
+            f"{source} 请求被重定向，Cookie 已失效，请重新登录（{trace}）"
+        )
 
     def _request(
         self,
@@ -203,7 +256,9 @@ class DouyuActivityClient:
         except json.JSONDecodeError as exc:
             raise DouyuActivityError(f"{source} 返回不是 JSON: {text[:200]}") from exc
 
-    def _request_json(self, method: str, url: str, source: str, **kwargs) -> dict[str, Any]:
+    def _request_json(
+        self, method: str, url: str, source: str, **kwargs
+    ) -> dict[str, Any]:
         return self._json(self._request(method, url, source=source, **kwargs), source)
 
     def csrf_token(self, *, force_refresh: bool = False) -> str:
@@ -252,7 +307,9 @@ class DouyuActivityClient:
         """精英手册商城页 Referer（对齐浏览器 create/pay/storedetail 等接口）。"""
         if rid:
             return f"https://www.douyu.com/pages/live-peace-handbook/web/shop?ditchname=pass0&roomId={rid}"
-        return "https://www.douyu.com/pages/live-peace-handbook/web/shop?ditchname=pass0"
+        return (
+            "https://www.douyu.com/pages/live-peace-handbook/web/shop?ditchname=pass0"
+        )
 
     def _post_csrf_form(
         self,
@@ -363,7 +420,9 @@ class DouyuActivityClient:
         )
         if payload.get("error") not in (0, "0", None):
             raise DouyuActivityError(payload.get("msg") or "查询绑定信息失败")
-        parsed = self._parse_bind_info(payload, act_alias=act_alias, api_version="v2" if v2 else "v1")
+        parsed = self._parse_bind_info(
+            payload, act_alias=act_alias, api_version="v2" if v2 else "v1"
+        )
         self._log_bind_info(parsed)
         return parsed
 
@@ -385,7 +444,9 @@ class DouyuActivityClient:
             f"can_change_time={parsed.get('can_change_time') if parsed.get('can_change_time') is not None else '-'}"
         )
 
-    def _parse_bind_info(self, payload: dict[str, Any], *, act_alias: str, api_version: str) -> dict[str, Any]:
+    def _parse_bind_info(
+        self, payload: dict[str, Any], *, act_alias: str, api_version: str
+    ) -> dict[str, Any]:
         """统一解析不同活动的腾讯游戏绑定信息。"""
         data = payload.get("data") or {}
         game_account = data.get("gameAccount") or {}
@@ -416,14 +477,18 @@ class DouyuActivityClient:
             "canChangeBind",
         )
         if can_change_role is None and isinstance(tx_act, dict):
-            can_change_role = self._first_present(tx_act, "canChangeRole", "canChangeBind")
+            can_change_role = self._first_present(
+                tx_act, "canChangeRole", "canChangeBind"
+            )
         can_change_time = self._first_present(
             data,
             "canChangeTime",
             "can_change_time",
         )
         if can_change_time is None and isinstance(tx_act, dict):
-            can_change_time = self._first_present(tx_act, "canChangeTime", "can_change_time")
+            can_change_time = self._first_present(
+                tx_act, "canChangeTime", "can_change_time"
+            )
         return {
             "act_alias": act_alias,
             "api_version": api_version,
@@ -453,11 +518,16 @@ class DouyuActivityClient:
             self.ESPORTS_BIND_INFO_API,
             "查询电竞手册绑定信息",
             params={"actAlias": act_alias},
-            headers={"Origin": "", "Referer": "https://www.douyu.com/pages/live-peace-pel/web/"},
+            headers={
+                "Origin": "",
+                "Referer": "https://www.douyu.com/pages/live-peace-pel/web/",
+            },
         )
         if payload.get("error") not in (0, "0", None):
             raise DouyuActivityError(payload.get("msg") or "查询电竞手册绑定信息失败")
-        parsed = self._parse_bind_info(payload, act_alias=act_alias, api_version="esports")
+        parsed = self._parse_bind_info(
+            payload, act_alias=act_alias, api_version="esports"
+        )
         self._log_bind_info(parsed)
         return parsed
 
@@ -468,7 +538,10 @@ class DouyuActivityClient:
             self.ESPORTS_BIND_ROLE_PARAM_API,
             "获取电竞手册绑定二维码",
             params={"actAlias": act_alias},
-            headers={"Origin": "", "Referer": "https://www.douyu.com/pages/live-peace-pel/web/"},
+            headers={
+                "Origin": "",
+                "Referer": "https://www.douyu.com/pages/live-peace-pel/web/",
+            },
         )
         if payload.get("error") not in (0, "0", None):
             raise DouyuActivityError(payload.get("msg") or "获取电竞手册绑定二维码失败")
@@ -503,7 +576,9 @@ class DouyuActivityClient:
             raise DouyuActivityError(f"获取电竞手册 ctn 失败: {response.text[:200]}")
         return ctn
 
-    def confirm_esports_bind(self, act_alias: str, *, room_id: str = "9263298") -> dict[str, Any]:
+    def confirm_esports_bind(
+        self, act_alias: str, *, room_id: str = "9263298"
+    ) -> dict[str, Any]:
         """自动完成协议前置请求后，通过 actBind 确认电竞手册绑定。"""
         referer = (
             "https://www.douyu.com/pages/live-peace-pel/web"
@@ -555,7 +630,9 @@ class DouyuActivityClient:
             raise DouyuActivityError(payload.get("msg") or "确认绑定失败")
         return {"csrf_token": token, "raw": payload}
 
-    def create_elite_qr(self, *, ctn: str, act_alias: str, amount: int, room_id: str) -> dict[str, Any]:
+    def create_elite_qr(
+        self, *, ctn: str, act_alias: str, amount: int, room_id: str
+    ) -> dict[str, Any]:
         """生成精英宝典支付二维码。"""
         # E 语言实现会在 peace/item 和 getQrCode 两次请求里显式拼上 acf_ccn=ctn。
         # 这里也同步 Cookie，避免接口只看 Cookie 时误判未绑定游戏账号。
@@ -576,7 +653,11 @@ class DouyuActivityClient:
             "生成精英宝典支付码",
             json={
                 "bizType": "peace",
-                "biz": {"actAlias": act_alias, "amount": amount, "roomId": int(room_id or 0)},
+                "biz": {
+                    "actAlias": act_alias,
+                    "amount": amount,
+                    "roomId": int(room_id or 0),
+                },
                 "ctn": ctn,
             },
             headers={"Content-Type": "application/json;charset=UTF-8"},
@@ -584,9 +665,17 @@ class DouyuActivityClient:
         qr = (payload.get("data") or {}).get("qr") or ""
         if not qr:
             raise DouyuActivityError(payload.get("msg") or "生成精英宝典支付码失败")
-        return {"pay_url": qr, "ctn": ctn, "act_alias": act_alias, "item": item_payload, "raw": payload}
+        return {
+            "pay_url": qr,
+            "ctn": ctn,
+            "act_alias": act_alias,
+            "item": item_payload,
+            "raw": payload,
+        }
 
-    def create_esports_qr(self, *, ctn: str, act_alias: str, amount: int, room_id: str) -> dict[str, Any]:
+    def create_esports_qr(
+        self, *, ctn: str, act_alias: str, amount: int, room_id: str
+    ) -> dict[str, Any]:
         """生成电竞手册支付二维码。"""
         self._set_cookie_value("acf_ccn", ctn)
         time_payload = self._request_json(
@@ -604,7 +693,11 @@ class DouyuActivityClient:
             "生成电竞手册支付码",
             json={
                 "bizType": "peacePel",
-                "biz": {"actAlias": act_alias, "amount": amount, "roomId": int(room_id or 0)},
+                "biz": {
+                    "actAlias": act_alias,
+                    "amount": amount,
+                    "roomId": int(room_id or 0),
+                },
                 "ctn": ctn,
             },
             headers={
@@ -633,7 +726,10 @@ class DouyuActivityClient:
             self.ESPORTS_USER_INFO_API,
             "查询电竞手册状态",
             params={"manualID": manual_id},
-            headers={"Origin": "", "Referer": "https://www.douyu.com/pages/live-peace-pel/web/"},
+            headers={
+                "Origin": "",
+                "Referer": "https://www.douyu.com/pages/live-peace-pel/web/",
+            },
         )
         if payload.get("error") not in (0, "0", None):
             raise DouyuActivityError(payload.get("msg") or "查询电竞手册状态失败")
@@ -712,7 +808,9 @@ class DouyuActivityClient:
             "raw": payload,
         }
 
-    def create_gold_qr(self, *, amount: int, pay_type: int = 1, product_id: str = "DYTV_Product_Gold_1") -> dict[str, Any]:
+    def create_gold_qr(
+        self, *, amount: int, pay_type: int = 1, product_id: str = "DYTV_Product_Gold_1"
+    ) -> dict[str, Any]:
         """生成鱼翅充值支付二维码。"""
         payload = self._request_json(
             "post",
@@ -846,12 +944,13 @@ class DouyuActivityClient:
         """查询当前账号限兑商品。"""
         result = self.list_goods(manual_id=manual_id, rid=rid)
         limited = [
-            item for item in result["goods"]
-            if str(item.get("status") or "") == "1"
+            item for item in result["goods"] if str(item.get("status") or "") == "1"
         ]
         return {"limited_goods": limited, "raw": result["raw"]}
 
-    def exchange_records(self, *, manual_id: str, limit: int = 100, offset: int = 0) -> dict[str, Any]:
+    def exchange_records(
+        self, *, manual_id: str, limit: int = 100, offset: int = 0
+    ) -> dict[str, Any]:
         """查询兑换记录。"""
         payload = self._request_json(
             "get",
@@ -918,7 +1017,9 @@ class DouyuActivityClient:
             "raw": payload,
         }
 
-    def pay_exchange_order(self, *, manual_id: str, order_id: str, rid: str = "") -> dict[str, Any]:
+    def pay_exchange_order(
+        self, *, manual_id: str, order_id: str, rid: str = ""
+    ) -> dict[str, Any]:
         """Pay a previously locked exchange order with handbook points."""
         normalized_order_id = str(order_id).strip()
         if not normalized_order_id:
@@ -946,7 +1047,9 @@ class DouyuActivityClient:
             "raw": payload,
         }
 
-    def exchange_orders(self, *, manual_id: str, page: int = 1, page_size: int = 10) -> dict[str, Any]:
+    def exchange_orders(
+        self, *, manual_id: str, page: int = 1, page_size: int = 10
+    ) -> dict[str, Any]:
         """Query current locked exchange orders."""
         payload = self._request_json(
             "get",
@@ -967,7 +1070,9 @@ class DouyuActivityClient:
             "raw": payload,
         }
 
-    def exchange_goods(self, *, manual_id: str, rid: str, commodity_id: str) -> dict[str, Any]:
+    def exchange_goods(
+        self, *, manual_id: str, rid: str, commodity_id: str
+    ) -> dict[str, Any]:
         """Lock an activity commodity and immediately pay the locked order."""
         locked = self.create_exchange_order(
             manual_id=manual_id,
@@ -1011,7 +1116,9 @@ class DouyuActivityClient:
             "raw": payload,
         }
 
-    def query_goods_detail(self, *, manual_id: str, commodity_id: str, rid: str = "") -> dict[str, Any]:
+    def query_goods_detail(
+        self, *, manual_id: str, commodity_id: str, rid: str = ""
+    ) -> dict[str, Any]:
         """查询商品详情 storedetail（对齐浏览器 getGoodsDetail）。
 
         详情里带有兑换状态机所需的全部标记：preExchange.isExists / subscribeType /
@@ -1021,7 +1128,11 @@ class DouyuActivityClient:
             "get",
             self.GOODS_DETAIL_API,
             "查询商品详情",
-            params={"manualID": manual_id, "commodityID": commodity_id, "rid": rid or "0"},
+            params={
+                "manualID": manual_id,
+                "commodityID": commodity_id,
+                "rid": rid or "0",
+            },
             headers={"Origin": "", "Referer": self._peace_shop_referer(rid)},
         )
         if payload.get("error") not in (0, "0"):
@@ -1103,7 +1214,9 @@ class DouyuActivityClient:
             plan.update(action="classic", text="立即兑换")
         return plan
 
-    def batch_exchange_limit(self, *, manual_id: str, commodity_id: str, rid: str = "") -> dict[str, Any]:
+    def batch_exchange_limit(
+        self, *, manual_id: str, commodity_id: str, rid: str = ""
+    ) -> dict[str, Any]:
         """查询批量兑换上限（对齐页面 batchExchangeLimit，仅 batchExchange=1 商品）。"""
         payload = self._post_csrf_form(
             self.BATCH_EXCHANGE_LIMIT_API,
@@ -1116,7 +1229,9 @@ class DouyuActivityClient:
         data = payload.get("data") or {}
         return {"limit": data.get("limit"), "raw": payload}
 
-    def pre_exchange_check(self, *, manual_id: str, commodity_id: str) -> dict[str, Any]:
+    def pre_exchange_check(
+        self, *, manual_id: str, commodity_id: str
+    ) -> dict[str, Any]:
         """查询预兑状态（对齐页面 user/queryExchange，预兑弹窗前必查）。"""
         payload = self._request_json(
             "get",
@@ -1129,7 +1244,9 @@ class DouyuActivityClient:
             raise DouyuActivityError(payload.get("msg") or "查询预兑状态失败")
         return {"data": payload.get("data") or {}, "raw": payload}
 
-    def pre_exchange_cancel_check(self, *, manual_id: str, commodity_id: str) -> dict[str, Any]:
+    def pre_exchange_cancel_check(
+        self, *, manual_id: str, commodity_id: str
+    ) -> dict[str, Any]:
         """查询取消预兑信息（对齐页面 user/queryCancelExchange）。"""
         payload = self._request_json(
             "get",
@@ -1142,7 +1259,9 @@ class DouyuActivityClient:
             raise DouyuActivityError(payload.get("msg") or "查询取消预兑信息失败")
         return {"data": payload.get("data") or {}, "raw": payload}
 
-    def confirm_pre_exchange(self, *, manual_id: str, commodity_id: str, rid: str = "") -> dict[str, Any]:
+    def confirm_pre_exchange(
+        self, *, manual_id: str, commodity_id: str, rid: str = ""
+    ) -> dict[str, Any]:
         """确认预兑（对齐页面 user/confirmExchange，成功提示"预兑成功"）。"""
         payload = self._post_csrf_form(
             self.PRE_EXCHANGE_CONFIRM_API,
@@ -1154,7 +1273,9 @@ class DouyuActivityClient:
             raise DouyuActivityError(payload.get("msg") or "确认预兑失败")
         return {"raw": payload}
 
-    def cancel_pre_exchange(self, *, manual_id: str, commodity_id: str, rid: str = "") -> dict[str, Any]:
+    def cancel_pre_exchange(
+        self, *, manual_id: str, commodity_id: str, rid: str = ""
+    ) -> dict[str, Any]:
         """取消预兑（对齐页面 user/cancelExchange）。"""
         payload = self._post_csrf_form(
             self.PRE_EXCHANGE_CANCEL_API,
@@ -1166,7 +1287,9 @@ class DouyuActivityClient:
             raise DouyuActivityError(payload.get("msg") or "取消预兑失败")
         return {"raw": payload}
 
-    def subscribe_commodity(self, *, manual_id: str, commodity_id: str) -> dict[str, Any]:
+    def subscribe_commodity(
+        self, *, manual_id: str, commodity_id: str
+    ) -> dict[str, Any]:
         """预约到货（对齐页面 user/sub，成功提示"预约成功"）。"""
         payload = self._post_csrf_form(
             self.COMMODITY_SUBSCRIBE_API,
@@ -1178,7 +1301,9 @@ class DouyuActivityClient:
             raise DouyuActivityError(payload.get("msg") or "预约到货失败")
         return {"raw": payload}
 
-    def unsubscribe_commodity(self, *, manual_id: str, commodity_id: str) -> dict[str, Any]:
+    def unsubscribe_commodity(
+        self, *, manual_id: str, commodity_id: str
+    ) -> dict[str, Any]:
         """取消预约到货（对齐页面 user/cancelSub）。"""
         payload = self._post_csrf_form(
             self.COMMODITY_UNSUBSCRIBE_API,
@@ -1190,7 +1315,9 @@ class DouyuActivityClient:
             raise DouyuActivityError(payload.get("msg") or "取消预约到货失败")
         return {"raw": payload}
 
-    def exchange_gift(self, *, manual_id: str, commodity_id: str, rid: str = "", num: int = 1) -> dict[str, Any]:
+    def exchange_gift(
+        self, *, manual_id: str, commodity_id: str, rid: str = "", num: int = 1
+    ) -> dict[str, Any]:
         """单步兑换（对齐页面 postExchangeGift -> /ordnc/activity/peace/exchange）。
 
         2026-08-30 bundle 中新链路，页面主要用于兑换中心/自动兑换场景；字段按页面
@@ -1263,7 +1390,10 @@ class DouyuActivityClient:
             "get",
             self.GOLD_ACCOUNT_API,
             "查询鱼翅余额",
-            headers={"Origin": "https://cz.douyu.com", "Referer": "https://cz.douyu.com/"},
+            headers={
+                "Origin": "https://cz.douyu.com",
+                "Referer": "https://cz.douyu.com/",
+            },
         )
         data = payload.get("data") or {}
         return {"gold": data.get("gold"), "raw": payload}
@@ -1315,7 +1445,7 @@ class DouyuActivityClient:
         match = re.search(rf"var\s+{varname}\s*=", text)
         if not match:
             raise DouyuActivityError(f"响应中找不到 var {varname}=: {text[:200]}")
-        chunk = text[match.end():].strip()
+        chunk = text[match.end() :].strip()
         if chunk.endswith(";"):
             chunk = chunk[:-1]
         try:
@@ -1342,7 +1472,9 @@ class DouyuActivityClient:
         stk = cookie_value(self.cookie, "acf_stk")
         ltkid = cookie_value(self.cookie, "acf_ltkid")
         if not uid or not stk or not ltkid:
-            raise DouyuActivityError("Cookie 缺少 acf_uid/acf_stk/acf_ltkid，无法获取小店参数")
+            raise DouyuActivityError(
+                "Cookie 缺少 acf_uid/acf_stk/acf_ltkid，无法获取小店参数"
+            )
         return f"{uid}_1_{stk}_0_{ltkid}"
 
     def xpd_embed_query(self, *, act_alias: str, rid: str) -> dict[str, Any]:
@@ -1473,9 +1605,15 @@ class DouyuActivityClient:
             )
             recommend = self._xpd_parse_var(response.text, "recommend")
             if str(recommend.get("errcode") or "0") != "0":
-                raise DouyuActivityError(str(recommend.get("errdesc") or "小店商品查询失败"))
+                raise DouyuActivityError(
+                    str(recommend.get("errdesc") or "小店商品查询失败")
+                )
             pages.append(recommend)
-            items = (((recommend.get("data") or {}).get("client_data") or {}).get("itemsdetail")) or []
+            items = (
+                ((recommend.get("data") or {}).get("client_data") or {}).get(
+                    "itemsdetail"
+                )
+            ) or []
             if not isinstance(items, list):
                 raise DouyuActivityError("小店商品响应格式异常")
 
@@ -1554,8 +1692,12 @@ class DouyuActivityClient:
             info = self._xpd_parse_var(response.text, "info")
             if str(info.get("ret") or "0") != "0":
                 raise DouyuActivityError(str(info.get("msg") or "小店购买记录查询失败"))
-            data = info.get("data") if isinstance(info.get("data"), dict) else {}
-            page_records = data.get("list") if isinstance(data.get("list"), list) else []
+            data: dict[str, Any] = (
+                info.get("data") if isinstance(info.get("data"), dict) else {}
+            )
+            page_records: list[Any] = (
+                data.get("list") if isinstance(data.get("list"), list) else []
+            )
             total = self._xpd_int(data.get("cnt")) or total
             pages.append(info)
 
@@ -1568,10 +1710,14 @@ class DouyuActivityClient:
                         goods_info = json.loads(goods_info)
                     except json.JSONDecodeError:
                         goods_info = {}
-                goods_list = goods_info.get("list") if isinstance(goods_info, dict) else []
+                goods_list = (
+                    goods_info.get("list") if isinstance(goods_info, dict) else []
+                )
                 goods = (
                     goods_list[0]
-                    if isinstance(goods_list, list) and goods_list and isinstance(goods_list[0], dict)
+                    if isinstance(goods_list, list)
+                    and goods_list
+                    and isinstance(goods_list[0], dict)
                     else {}
                 )
                 app_ext = record.get("sAppExt")
@@ -1580,31 +1726,41 @@ class DouyuActivityClient:
                         app_ext = json.loads(app_ext)
                     except json.JSONDecodeError:
                         app_ext = {}
-                records.append({
-                    "serial": str(record.get("sSerialNum") or ""),
-                    "goods_name": str(
-                        goods.get("sGoodsName")
-                        or goods.get("sPacketName")
-                        or record.get("sActionDesc")
-                        or ""
-                    ),
-                    "goods_image": str(goods.get("sGoodsPic") or (app_ext or {}).get("sGoodsPic") or ""),
-                    "buy_time": str(record.get("dtBuyTime") or ""),
-                    "pay_time": str(record.get("dtPayTime") or ""),
-                    "status": str(record.get("iStatus") or ""),
-                    "price": self._xpd_int(record.get("iPrice")),
-                    "pay_amount": self._xpd_int(record.get("iPayAmount")),
-                    "pay_type": str(record.get("sPayType") or ""),
-                    "role_name": str(record.get("sRoleName") or ""),
-                    "send_status": str(goods.get("iSendStatus") or ""),
-                    "delivery_message": str(goods.get("deliveryMsg") or ""),
-                    "raw": record,
-                })
+                records.append(
+                    {
+                        "serial": str(record.get("sSerialNum") or ""),
+                        "goods_name": str(
+                            goods.get("sGoodsName")
+                            or goods.get("sPacketName")
+                            or record.get("sActionDesc")
+                            or ""
+                        ),
+                        "goods_image": str(
+                            goods.get("sGoodsPic")
+                            or (app_ext or {}).get("sGoodsPic")
+                            or ""
+                        ),
+                        "buy_time": str(record.get("dtBuyTime") or ""),
+                        "pay_time": str(record.get("dtPayTime") or ""),
+                        "status": str(record.get("iStatus") or ""),
+                        "price": self._xpd_int(record.get("iPrice")),
+                        "pay_amount": self._xpd_int(record.get("iPayAmount")),
+                        "pay_type": str(record.get("sPayType") or ""),
+                        "role_name": str(record.get("sRoleName") or ""),
+                        "send_status": str(goods.get("iSendStatus") or ""),
+                        "delivery_message": str(goods.get("deliveryMsg") or ""),
+                        "raw": record,
+                    }
+                )
 
             if len(page_records) < page_size or len(records) >= total:
                 break
 
-        return {"records": records, "total": total or len(records), "raw": {"pages": pages}}
+        return {
+            "records": records,
+            "total": total or len(records),
+            "raw": {"pages": pages},
+        }
 
     def xpd_bind_qr(self, *, act_alias: str) -> dict[str, Any]:
         """生成和平小店绑定二维码链接（微信扫码进入 livelink 小程序绑定角色）。
@@ -1653,9 +1809,15 @@ class DouyuActivityClient:
         )
         if payload.get("error") not in (0, "0", None):
             raise DouyuActivityError(payload.get("msg") or "查询小店绑定信息失败")
-        data = payload.get("data") or {}
-        game_role = data.get("gameRole") if isinstance(data.get("gameRole"), dict) else {}
-        game_account = data.get("gameAccount") if isinstance(data.get("gameAccount"), dict) else {}
+        data: dict[str, Any] = (
+            payload.get("data") if isinstance(payload.get("data"), dict) else {}
+        )
+        game_role: dict[str, Any] = (
+            data.get("gameRole") if isinstance(data.get("gameRole"), dict) else {}
+        )
+        game_account: dict[str, Any] = (
+            data.get("gameAccount") if isinstance(data.get("gameAccount"), dict) else {}
+        )
         return {
             "bind_account": self._xpd_int(data.get("bindAccount")),
             "bind_role": self._xpd_int(data.get("bindRole")),
@@ -1790,7 +1952,8 @@ class DouyuActivityClient:
             "_biz_code": "cjm",
             "_act_id": act_id,
             "sLiveUserInfo": json.dumps(
-                {"sAnchorId": rid, "sVideoId": 0}, separators=(",", ":"),
+                {"sAnchorId": rid, "sVideoId": 0},
+                separators=(",", ":"),
             ),
             "appext": json.dumps(
                 {"user_price": price, "sGoodsPic": picture, "paytype": pay_type},
@@ -1801,7 +1964,16 @@ class DouyuActivityClient:
             "_sid": "8",
             "set": "8",
         }
-        for key in ("gameId", "actId", "appId", "livePlatId", "code", "timestamp", "v", "sig"):
+        for key in (
+            "gameId",
+            "actId",
+            "appId",
+            "livePlatId",
+            "code",
+            "timestamp",
+            "v",
+            "sig",
+        ):
             value = str(embed_query.get(key) or "")
             if value:
                 params[key] = value
diff --git a/core/douyu/cookie_utils.py b/core/douyu/cookie_utils.py
index 6d0040b..c2bd6be 100644
--- a/core/douyu/cookie_utils.py
+++ b/core/douyu/cookie_utils.py
@@ -4,7 +4,7 @@ from __future__ import annotations
 
 from collections.abc import Iterable, Mapping
 
-import requests
+from requests.cookies import RequestsCookieJar
 
 
 def cookie_pairs(cookie: str) -> list[tuple[str, str]]:
@@ -21,7 +21,7 @@ def cookie_pairs(cookie: str) -> list[tuple[str, str]]:
     return pairs
 
 
-def normalize_cookie_pairs(pairs: Iterable[tuple[str, str]]) -> str:
+def normalize_cookie_pairs(pairs: Iterable[tuple[str, str | None]]) -> str:
     """按 Cookie key 去重，保留最后一次出现的值。"""
     ordered_keys: list[str] = []
     values: dict[str, str] = {}
@@ -36,7 +36,7 @@ def normalize_cookie_pairs(pairs: Iterable[tuple[str, str]]) -> str:
 
 
 def normalize_douyu_cookie(
-    cookie: str | Mapping[str, str] | requests.cookies.RequestsCookieJar | None,
+    cookie: str | Mapping[str, str] | RequestsCookieJar | None,
 ) -> str:
     """把 Cookie 字符串、dict 或 CookieJar 转成去重后的浏览器 Cookie 字符串。"""
     if not cookie:
@@ -47,7 +47,7 @@ def normalize_douyu_cookie(
 
 
 def cookie_value(
-    cookie: str | Mapping[str, str] | requests.cookies.RequestsCookieJar | None,
+    cookie: str | Mapping[str, str] | RequestsCookieJar | None,
     key: str,
 ) -> str:
     """从 Cookie 中读取 key；有重复时以最后一次出现为准。"""
diff --git a/core/douyu/proxy_fetcher.py b/core/douyu/proxy_fetcher.py
index 0c8f779..42d1a1e 100644
--- a/core/douyu/proxy_fetcher.py
+++ b/core/douyu/proxy_fetcher.py
@@ -10,8 +10,6 @@
 
 import threading
 import time
-from typing import Optional
-
 from loguru import logger
 
 from .proxy_resolver import ProxyResolver
@@ -28,8 +26,8 @@ class ProxyFetcher:
         self,
         api_url: str,
         whitelist_platform: str = "xiequ",
-        whitelist_credentials: dict = None,
-        stop_event: Optional[threading.Event] = None,
+        whitelist_credentials: dict | None = None,
+        stop_event: threading.Event | None = None,
     ):
         self.api_url = api_url
         self.stop_event = stop_event
@@ -66,7 +64,7 @@ class ProxyFetcher:
             return True, f"出口 IP {local_ip} 已同步: {msg}"
         return False, f"出口 IP {local_ip} 同步失败: {msg}"
 
-    def fetch_new_proxy(self, max_attempts: int = 3) -> Optional[str]:
+    def fetch_new_proxy(self, max_attempts: int = 3) -> str | None:
         """从代理 API 获取 1 个可用代理，失败返回 None。
 
         不主动检测/同步本地出口 IP；如果代理 API 返回"白名单错误"，
@@ -115,7 +113,7 @@ class ProxyFetcher:
 def get_proxy_fetcher(
     api_url: str,
     whitelist_platform: str = "xiequ",
-    whitelist_credentials: dict = None,
+    whitelist_credentials: dict | None = None,
 ) -> ProxyFetcher:
     """获取代理获取器实例。"""
     return ProxyFetcher(
diff --git a/core/douyu/proxy_resolver.py b/core/douyu/proxy_resolver.py
index 027cea8..2249dbb 100644
--- a/core/douyu/proxy_resolver.py
+++ b/core/douyu/proxy_resolver.py
@@ -165,7 +165,7 @@ class ProxyResolver:
 def resolve_working_proxy(
     api_url: str,
     whitelist_platform: str = "xiequ",
-    whitelist_credentials: dict = None,
+    whitelist_credentials: dict | None = None,
     max_attempts: int = 4,
     log_func: Optional[LogFunc] = None,
 ) -> tuple[Optional[str], str]: