From e7dcfdee505daa5a7be1bf3a2bd231aa5e002d89 Mon Sep 17 00:00:00 2001
From: felinae98 <731499577@qq.com>
Date: Tue, 29 Aug 2023 21:12:42 +0800
Subject: [PATCH] =?UTF-8?q?:sparkles:=20=E6=8F=90=E4=BE=9B=E6=89=B9?=
 =?UTF-8?q?=E9=87=8F=20api=20=E6=8E=A5=E5=8F=A3=20(#290)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* :construction: add batch api

* :construction: support batch in scheduler

* :sparkles: use batch api in bilibili-live

:white_check_mark: patch platform_manager directly

:sparkles: use batch api in bilibili-live

:white_check_mark: patch platform_manager directly

* :recycle: refactor var name

* :bug: fix test

* :bug: fix scheduler

* :bug: fix test
---
 nonebot_bison/platform/bilibili.py       |  19 +-
 nonebot_bison/platform/platform.py       | 147 +++++++++-----
 nonebot_bison/scheduler/manager.py       |   4 +-
 nonebot_bison/scheduler/scheduler.py     |  52 ++++-
 nonebot_bison/types.py                   |   5 +
 tests/platforms/test_arknights.py        |  18 +-
 tests/platforms/test_bilibili.py         |  14 +-
 tests/platforms/test_bilibili_bangumi.py |   8 +-
 tests/platforms/test_bilibili_live.py    |  72 ++++---
 tests/platforms/test_ff14.py             |   8 +-
 tests/platforms/test_ncm_artist.py       |   8 +-
 tests/platforms/test_ncm_radio.py        |   8 +-
 tests/platforms/test_platform.py         | 235 ++++++++++++++++++++---
 tests/platforms/test_rss.py              |  32 +--
 tests/platforms/test_weibo.py            |  14 +-
 tests/scheduler/test_scheduler.py        |  41 ++++
 16 files changed, 519 insertions(+), 166 deletions(-)

diff --git a/nonebot_bison/platform/bilibili.py b/nonebot_bison/platform/bilibili.py
index fabd9c2..75d898e 100644
--- a/nonebot_bison/platform/bilibili.py
+++ b/nonebot_bison/platform/bilibili.py
@@ -201,6 +201,7 @@ class Bilibililive(StatusChange):
     scheduler = BilibiliSchedConf
     name = "Bilibili直播"
     has_target = True
+    use_batch = True
 
     @unique
     class LiveStatus(Enum):
@@ -281,12 +282,11 @@ class Bilibililive(StatusChange):
             keyframe="",
         )
 
-    async def get_status(self, target: Target) -> Info:
-        params = {"uids[]": target}
+    async def batch_get_status(self, targets: list[Target]) -> list[Info]:
         # https://github.com/SocialSisterYi/bilibili-API-collect/blob/master/docs/live/info.md#批量查询直播间状态
         res = await self.client.get(
             "https://api.live.bilibili.com/room/v1/Room/get_status_info_by_uids",
-            params=params,
+            params={"uids[]": targets},
             timeout=4.0,
         )
         res_dict = res.json()
@@ -294,11 +294,14 @@ class Bilibililive(StatusChange):
         if res_dict["code"] != 0:
             raise self.FetchError()
 
-        data = res_dict.get("data")
-        if not data:
-            return self._gen_empty_info(uid=int(target))
-        room_data = data[target]
-        return self.Info.parse_obj(room_data)
+        data = res_dict.get("data", {})
+        infos = []
+        for target in targets:
+            if target in data.keys():
+                infos.append(self.Info.parse_obj(data[target]))
+            else:
+                infos.append(self._gen_empty_info(int(target)))
+        return infos
 
     def compare_status(self, _: Target, old_status: Info, new_status: Info) -> list[RawPost]:
         action = Bilibililive.LiveAction
diff --git a/nonebot_bison/platform/platform.py b/nonebot_bison/platform/platform.py
index 5dfbf89..5b98968 100644
--- a/nonebot_bison/platform/platform.py
+++ b/nonebot_bison/platform/platform.py
@@ -2,11 +2,11 @@ import ssl
 import json
 import time
 import typing
-from typing import Any
 from dataclasses import dataclass
 from abc import ABC, abstractmethod
 from collections import defaultdict
-from collections.abc import Collection
+from typing import Any, TypeVar, ParamSpec
+from collections.abc import Callable, Awaitable, Collection
 
 import httpx
 from httpx import AsyncClient
@@ -16,7 +16,7 @@ from nonebot_plugin_saa import PlatformTarget
 from ..post import Post
 from ..plugin_config import plugin_config
 from ..utils import ProcessContext, SchedulerConfig
-from ..types import Tag, Target, RawPost, Category, UserSubInfo
+from ..types import Tag, Target, RawPost, SubUnit, Category
 
 
 class CategoryNotSupport(Exception):
@@ -44,6 +44,26 @@ class RegistryMeta(type):
         super().__init__(name, bases, namespace, **kwargs)
 
 
+P = ParamSpec("P")
+R = TypeVar("R")
+
+
+async def catch_network_error(func: Callable[P, Awaitable[R]], *args: P.args, **kwargs: P.kwargs) -> R | None:
+    try:
+        return await func(*args, **kwargs)
+    except httpx.RequestError as err:
+        if plugin_config.bison_show_network_warning:
+            logger.warning(f"network connection error: {type(err)}, url: {err.request.url}")
+        return None
+    except ssl.SSLError as err:
+        if plugin_config.bison_show_network_warning:
+            logger.warning(f"ssl error: {err}")
+        return None
+    except json.JSONDecodeError as err:
+        logger.warning(f"json error, parsing: {err.doc}")
+        raise err
+
+
 class PlatformMeta(RegistryMeta):
     categories: dict[Category, str]
     store: dict[Target, Any]
@@ -75,6 +95,7 @@ class Platform(metaclass=PlatformABCMeta, base=True):
     registry: list[type["Platform"]]
     client: AsyncClient
     reverse_category: dict[str, Category]
+    use_batch: bool = False
 
     @classmethod
     @abstractmethod
@@ -82,25 +103,18 @@ class Platform(metaclass=PlatformABCMeta, base=True):
         ...
 
     @abstractmethod
-    async def fetch_new_post(self, target: Target, users: list[UserSubInfo]) -> list[tuple[PlatformTarget, list[Post]]]:
+    async def fetch_new_post(self, sub_unit: SubUnit) -> list[tuple[PlatformTarget, list[Post]]]:
         ...
 
-    async def do_fetch_new_post(
-        self, target: Target, users: list[UserSubInfo]
-    ) -> list[tuple[PlatformTarget, list[Post]]]:
-        try:
-            return await self.fetch_new_post(target, users)
-        except httpx.RequestError as err:
-            if plugin_config.bison_show_network_warning:
-                logger.warning(f"network connection error: {type(err)}, url: {err.request.url}")
-            return []
-        except ssl.SSLError as err:
-            if plugin_config.bison_show_network_warning:
-                logger.warning(f"ssl error: {err}")
-            return []
-        except json.JSONDecodeError as err:
-            logger.warning(f"json error, parsing: {err.doc}")
-            raise err
+    async def do_fetch_new_post(self, sub_unit: SubUnit) -> list[tuple[PlatformTarget, list[Post]]]:
+        return await catch_network_error(self.fetch_new_post, sub_unit) or []
+
+    @abstractmethod
+    async def batch_fetch_new_post(self, sub_units: list[SubUnit]) -> list[tuple[PlatformTarget, list[Post]]]:
+        ...
+
+    async def do_batch_fetch_new_post(self, sub_units: list[SubUnit]) -> list[tuple[PlatformTarget, list[Post]]]:
+        return await catch_network_error(self.batch_fetch_new_post, sub_units) or []
 
     @abstractmethod
     async def parse(self, raw_post: RawPost) -> Post:
@@ -190,10 +204,10 @@ class Platform(metaclass=PlatformABCMeta, base=True):
         return res
 
     async def dispatch_user_post(
-        self, target: Target, new_posts: list[RawPost], users: list[UserSubInfo]
+        self, new_posts: list[RawPost], sub_unit: SubUnit
     ) -> list[tuple[PlatformTarget, list[Post]]]:
         res: list[tuple[PlatformTarget, list[Post]]] = []
-        for user, cats, required_tags in users:
+        for user, cats, required_tags in sub_unit.user_sub_infos:
             user_raw_post = await self.filter_user_custom(new_posts, cats, required_tags)
             user_post: list[Post] = []
             for raw_post in user_raw_post:
@@ -235,6 +249,12 @@ class MessageProcess(Platform, abstract=True):
     @abstractmethod
     async def get_sub_list(self, target: Target) -> list[RawPost]:
         "Get post list of the given target"
+        raise NotImplementedError()
+
+    @abstractmethod
+    async def batch_get_sub_list(self, targets: list[Target]) -> list[list[RawPost]]:
+        "Get post list of the given targets"
+        raise NotImplementedError()
 
     @abstractmethod
     def get_date(self, post: RawPost) -> int | None:
@@ -298,9 +318,12 @@ class NewMessage(MessageProcess, abstract=True):
         self.set_stored_data(target, store)
         return res
 
-    async def fetch_new_post(self, target: Target, users: list[UserSubInfo]) -> list[tuple[PlatformTarget, list[Post]]]:
-        post_list = await self.get_sub_list(target)
-        new_posts = await self.filter_common_with_diff(target, post_list)
+    async def _handle_new_post(
+        self,
+        post_list: list[RawPost],
+        sub_unit: SubUnit,
+    ) -> list[tuple[PlatformTarget, list[Post]]]:
+        new_posts = await self.filter_common_with_diff(sub_unit.sub_target, post_list)
         if not new_posts:
             return []
         else:
@@ -308,14 +331,27 @@ class NewMessage(MessageProcess, abstract=True):
                 logger.info(
                     "fetch new post from {} {}: {}".format(
                         self.platform_name,
-                        target if self.has_target else "-",
+                        sub_unit.sub_target if self.has_target else "-",
                         self.get_id(post),
                     )
                 )
-        res = await self.dispatch_user_post(target, new_posts, users)
+        res = await self.dispatch_user_post(new_posts, sub_unit)
         self.parse_cache = {}
         return res
 
+    async def fetch_new_post(self, sub_unit: SubUnit) -> list[tuple[PlatformTarget, list[Post]]]:
+        post_list = await self.get_sub_list(sub_unit.sub_target)
+        return await self._handle_new_post(post_list, sub_unit)
+
+    async def batch_fetch_new_post(self, sub_units: list[SubUnit]) -> list[tuple[PlatformTarget, list[Post]]]:
+        if not self.has_target:
+            raise RuntimeError("Target without target should not use batch api")  # pragma: no cover
+        posts_set = await self.batch_get_sub_list([x[0] for x in sub_units])
+        res = []
+        for sub_unit, posts in zip(sub_units, posts_set):
+            res.extend(await self._handle_new_post(posts, sub_unit))
+        return res
+
 
 class StatusChange(Platform, abstract=True):
     "Watch a status, and fire a post when status changes"
@@ -327,6 +363,10 @@ class StatusChange(Platform, abstract=True):
     async def get_status(self, target: Target) -> Any:
         ...
 
+    @abstractmethod
+    async def batch_get_status(self, targets: list[Target]) -> list[Any]:
+        ...
+
     @abstractmethod
     def compare_status(self, target: Target, old_status, new_status) -> list[RawPost]:
         ...
@@ -335,34 +375,51 @@ class StatusChange(Platform, abstract=True):
     async def parse(self, raw_post: RawPost) -> Post:
         ...
 
-    async def fetch_new_post(self, target: Target, users: list[UserSubInfo]) -> list[tuple[PlatformTarget, list[Post]]]:
-        try:
-            new_status = await self.get_status(target)
-        except self.FetchError as err:
-            logger.warning(f"fetching {self.name}-{target} error: {err}")
-            raise
+    async def _handle_status_change(
+        self, new_status: Any, sub_unit: SubUnit
+    ) -> list[tuple[PlatformTarget, list[Post]]]:
         res = []
-        if old_status := self.get_stored_data(target):
-            diff = self.compare_status(target, old_status, new_status)
+        if old_status := self.get_stored_data(sub_unit.sub_target):
+            diff = self.compare_status(sub_unit.sub_target, old_status, new_status)
             if diff:
                 logger.info(
                     "status changes {} {}: {} -> {}".format(
                         self.platform_name,
-                        target if self.has_target else "-",
+                        sub_unit.sub_target if self.has_target else "-",
                         old_status,
                         new_status,
                     )
                 )
-                res = await self.dispatch_user_post(target, diff, users)
-        self.set_stored_data(target, new_status)
+                res = await self.dispatch_user_post(diff, sub_unit)
+        self.set_stored_data(sub_unit.sub_target, new_status)
+        return res
+
+    async def fetch_new_post(self, sub_unit: SubUnit) -> list[tuple[PlatformTarget, list[Post]]]:
+        try:
+            new_status = await self.get_status(sub_unit.sub_target)
+        except self.FetchError as err:
+            logger.warning(f"fetching {self.name}-{sub_unit.sub_target} error: {err}")
+            raise
+        return await self._handle_status_change(new_status, sub_unit)
+
+    async def batch_fetch_new_post(self, sub_units: list[SubUnit]) -> list[tuple[PlatformTarget, list[Post]]]:
+        if not self.has_target:
+            raise RuntimeError("Target without target should not use batch api")  # pragma: no cover
+        new_statuses = await self.batch_get_status([x[0] for x in sub_units])
+        res = []
+        for sub_unit, new_status in zip(sub_units, new_statuses):
+            res.extend(await self._handle_status_change(new_status, sub_unit))
         return res
 
 
-class SimplePost(MessageProcess, abstract=True):
+class SimplePost(NewMessage, abstract=True):
     "Fetch a list of messages, dispatch it to different users"
 
-    async def fetch_new_post(self, target: Target, users: list[UserSubInfo]) -> list[tuple[PlatformTarget, list[Post]]]:
-        new_posts = await self.get_sub_list(target)
+    async def _handle_new_post(
+        self,
+        new_posts: list[RawPost],
+        sub_unit: SubUnit,
+    ) -> list[tuple[PlatformTarget, list[Post]]]:
         if not new_posts:
             return []
         else:
@@ -370,11 +427,11 @@ class SimplePost(MessageProcess, abstract=True):
                 logger.info(
                     "fetch new post from {} {}: {}".format(
                         self.platform_name,
-                        target if self.has_target else "-",
+                        sub_unit.sub_target if self.has_target else "-",
                         self.get_id(post),
                     )
                 )
-        res = await self.dispatch_user_post(target, new_posts, users)
+        res = await self.dispatch_user_post(new_posts, sub_unit)
         self.parse_cache = {}
         return res
 
@@ -422,10 +479,10 @@ def make_no_target_group(platform_list: list[type[Platform]]) -> type[Platform]:
     async def get_target_name(cls, client: AsyncClient, target: Target):
         return await platform_list[0].get_target_name(client, target)
 
-    async def fetch_new_post(self: "NoTargetGroup", target: Target, users: list[UserSubInfo]):
+    async def fetch_new_post(self: "NoTargetGroup", sub_unit: SubUnit):
         res = defaultdict(list)
         for platform in self.platform_obj_list:
-            platform_res = await platform.fetch_new_post(target=target, users=users)
+            platform_res = await platform.fetch_new_post(sub_unit)
             for user, posts in platform_res:
                 res[user].extend(posts)
         return [[key, val] for key, val in res.items()]
diff --git a/nonebot_bison/scheduler/manager.py b/nonebot_bison/scheduler/manager.py
index 271f1b5..b2ab3cc 100644
--- a/nonebot_bison/scheduler/manager.py
+++ b/nonebot_bison/scheduler/manager.py
@@ -29,7 +29,9 @@ async def init_scheduler():
     for scheduler_config, target_list in _schedule_class_dict.items():
         schedulable_args = []
         for target in target_list:
-            schedulable_args.append((target.platform_name, T_Target(target.target)))
+            schedulable_args.append(
+                (target.platform_name, T_Target(target.target), platform_manager[target.platform_name].use_batch)
+            )
         platform_name_list = _schedule_class_platform_dict[scheduler_config]
         scheduler_dict[scheduler_config] = Scheduler(scheduler_config, schedulable_args, platform_name_list)
     config.register_add_target_hook(handle_insert_new_target)
diff --git a/nonebot_bison/scheduler/scheduler.py b/nonebot_bison/scheduler/scheduler.py
index bff3791..b1fc530 100644
--- a/nonebot_bison/scheduler/scheduler.py
+++ b/nonebot_bison/scheduler/scheduler.py
@@ -1,12 +1,13 @@
 from dataclasses import dataclass
+from collections import defaultdict
 
 from nonebot.log import logger
 from nonebot_plugin_apscheduler import scheduler
 from nonebot_plugin_saa.utils.exceptions import NoBotFound
 
-from ..types import Target
 from ..config import config
 from ..send import send_msgs
+from ..types import Target, SubUnit
 from ..platform import platform_manager
 from ..utils import ProcessContext, SchedulerConfig
 
@@ -16,15 +17,18 @@ class Schedulable:
     platform_name: str
     target: Target
     current_weight: int
+    use_batch: bool = False
 
 
 class Scheduler:
-    schedulable_list: list[Schedulable]
+    schedulable_list: list[Schedulable]  # for load weigth from db
+    batch_api_target_cache: dict[str, dict[Target, list[Target]]]  # platform_name -> (target -> [target])
+    batch_platform_name_targets_cache: dict[str, list[Target]]
 
     def __init__(
         self,
         scheduler_config: type[SchedulerConfig],
-        schedulables: list[tuple[str, Target]],
+        schedulables: list[tuple[str, Target, bool]],  # [(platform_name, target, use_batch)]
         platform_name_list: list[str],
     ):
         self.name = scheduler_config.name
@@ -33,9 +37,17 @@ class Scheduler:
             raise RuntimeError(f"{self.name} not found")
         self.scheduler_config = scheduler_config
         self.scheduler_config_obj = self.scheduler_config()
+
         self.schedulable_list = []
-        for platform_name, target in schedulables:
-            self.schedulable_list.append(Schedulable(platform_name=platform_name, target=target, current_weight=0))
+        self.batch_platform_name_targets_cache: dict[str, list[Target]] = defaultdict(list)
+        for platform_name, target, use_batch in schedulables:
+            if use_batch:
+                self.batch_platform_name_targets_cache[platform_name].append(target)
+            self.schedulable_list.append(
+                Schedulable(platform_name=platform_name, target=target, current_weight=0, use_batch=use_batch)
+            )
+        self._refresh_batch_api_target_cache()
+
         self.platform_name_list = platform_name_list
         self.pre_weight_val = 0  # 轮调度中“本轮”增加权重和的初值
         logger.info(
@@ -48,6 +60,12 @@ class Scheduler:
             **self.scheduler_config.schedule_setting,
         )
 
+    def _refresh_batch_api_target_cache(self):
+        self.batch_api_target_cache = defaultdict(dict)
+        for platform_name, targets in self.batch_platform_name_targets_cache.items():
+            for target in targets:
+                self.batch_api_target_cache[platform_name][target] = targets
+
     async def get_next_schedulable(self) -> Schedulable | None:
         if not self.schedulable_list:
             return None
@@ -69,14 +87,24 @@ class Scheduler:
         if not (schedulable := await self.get_next_schedulable()):
             return
         logger.trace(f"scheduler {self.name} fetching next target: [{schedulable.platform_name}]{schedulable.target}")
-        send_userinfo_list = await config.get_platform_target_subscribers(schedulable.platform_name, schedulable.target)
 
         client = await self.scheduler_config_obj.get_client(schedulable.target)
         context.register_to_client(client)
 
         try:
             platform_obj = platform_manager[schedulable.platform_name](context, client)
-            to_send = await platform_obj.do_fetch_new_post(schedulable.target, send_userinfo_list)
+            if schedulable.use_batch:
+                batch_targets = self.batch_api_target_cache[schedulable.platform_name][schedulable.target]
+                sub_units = []
+                for batch_target in batch_targets:
+                    userinfo = await config.get_platform_target_subscribers(schedulable.platform_name, batch_target)
+                    sub_units.append(SubUnit(batch_target, userinfo))
+                to_send = await platform_obj.do_batch_fetch_new_post(sub_units)
+            else:
+                send_userinfo_list = await config.get_platform_target_subscribers(
+                    schedulable.platform_name, schedulable.target
+                )
+                to_send = await platform_obj.do_fetch_new_post(SubUnit(schedulable.target, send_userinfo_list))
         except Exception as err:
             records = context.gen_req_records()
             for record in records:
@@ -101,9 +129,18 @@ class Scheduler:
     def insert_new_schedulable(self, platform_name: str, target: Target):
         self.pre_weight_val += 1000
         self.schedulable_list.append(Schedulable(platform_name, target, 1000))
+
+        if platform_manager[platform_name].use_batch:
+            self.batch_platform_name_targets_cache[platform_name].append(target)
+            self._refresh_batch_api_target_cache()
+
         logger.info(f"insert [{platform_name}]{target} to Schduler({self.scheduler_config.name})")
 
     def delete_schedulable(self, platform_name, target: Target):
+        if platform_manager[platform_name].use_batch:
+            self.batch_platform_name_targets_cache[platform_name].remove(target)
+            self._refresh_batch_api_target_cache()
+
         if not self.schedulable_list:
             return
         to_find_idx = None
@@ -114,4 +151,3 @@ class Scheduler:
         if to_find_idx is not None:
             deleted_schdulable = self.schedulable_list.pop(to_find_idx)
             self.pre_weight_val -= deleted_schdulable.current_weight
-        return
diff --git a/nonebot_bison/types.py b/nonebot_bison/types.py
index 487f5d0..0d08bfd 100644
--- a/nonebot_bison/types.py
+++ b/nonebot_bison/types.py
@@ -53,3 +53,8 @@ class ApiError(Exception):
     def __init__(self, url: URL) -> None:
         msg = f"api {url} error"
         super().__init__(msg)
+
+
+class SubUnit(NamedTuple):
+    sub_target: Target
+    user_sub_infos: list[UserSubInfo]
diff --git a/tests/platforms/test_arknights.py b/tests/platforms/test_arknights.py
index 8d4592a..8175a47 100644
--- a/tests/platforms/test_arknights.py
+++ b/tests/platforms/test_arknights.py
@@ -49,6 +49,8 @@ async def test_fetch_new(
     monster_siren_list_0,
     monster_siren_list_1,
 ):
+    from nonebot_bison.types import Target, SubUnit
+
     ak_list_router = respx.get("https://ak-webview.hypergryph.com/api/game/bulletinList?target=IOS")
     detail_router = respx.get("https://ak-webview.hypergryph.com/api/game/bulletin/5716")
     version_router = respx.get("https://ak-conf.hypergryph.com/config/prod/official/IOS/version")
@@ -63,14 +65,14 @@ async def test_fetch_new(
     preannouncement_router.mock(return_value=Response(200, json=get_json("arknights-pre-0.json")))
     monster_siren_router.mock(return_value=Response(200, json=monster_siren_list_0))
     terra_list.mock(return_value=Response(200, json=get_json("terra-hist-0.json")))
-    target = ""
-    res = await arknights.fetch_new_post(target, [dummy_user_subinfo])
+    target = Target("")
+    res = await arknights.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert ak_list_router.called
     assert len(res) == 0
     assert not detail_router.called
     mock_data = arknights_list_0
     ak_list_router.mock(return_value=Response(200, json=mock_data))
-    res3 = await arknights.fetch_new_post(target, [dummy_user_subinfo])
+    res3 = await arknights.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert len(res3[0][1]) == 1
     assert detail_router.called
     post = res3[0][1][0]
@@ -82,7 +84,7 @@ async def test_fetch_new(
     # assert(post.pics == ['https://ak-fs.hypergryph.com/announce/images/20210623/e6f49aeb9547a2278678368a43b95b07.jpg'])
     await post.generate_messages()
     terra_list.mock(return_value=Response(200, json=get_json("terra-hist-1.json")))
-    res = await arknights.fetch_new_post(target, [dummy_user_subinfo])
+    res = await arknights.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert len(res) == 1
     post = res[0][1][0]
     assert post.target_type == "terra-historicus"
@@ -101,6 +103,8 @@ async def test_send_with_render(
     monster_siren_list_0,
     monster_siren_list_1,
 ):
+    from nonebot_bison.types import Target, SubUnit
+
     ak_list_router = respx.get("https://ak-webview.hypergryph.com/api/game/bulletinList?target=IOS")
     detail_router = respx.get("https://ak-webview.hypergryph.com/api/game/bulletin/8397")
     version_router = respx.get("https://ak-conf.hypergryph.com/config/prod/official/IOS/version")
@@ -115,14 +119,14 @@ async def test_send_with_render(
     preannouncement_router.mock(return_value=Response(200, json=get_json("arknights-pre-0.json")))
     monster_siren_router.mock(return_value=Response(200, json=monster_siren_list_0))
     terra_list.mock(return_value=Response(200, json=get_json("terra-hist-0.json")))
-    target = ""
-    res = await arknights.fetch_new_post(target, [dummy_user_subinfo])
+    target = Target("")
+    res = await arknights.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert ak_list_router.called
     assert len(res) == 0
     assert not detail_router.called
     mock_data = arknights_list_1
     ak_list_router.mock(return_value=Response(200, json=mock_data))
-    res3 = await arknights.fetch_new_post(target, [dummy_user_subinfo])
+    res3 = await arknights.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert len(res3[0][1]) == 1
     assert detail_router.called
     post = res3[0][1][0]
diff --git a/tests/platforms/test_bilibili.py b/tests/platforms/test_bilibili.py
index 453f775..0b10cc6 100644
--- a/tests/platforms/test_bilibili.py
+++ b/tests/platforms/test_bilibili.py
@@ -106,14 +106,16 @@ async def test_dynamic_forward(bilibili, bing_dy_list):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_new_without_dynamic(bilibili, dummy_user_subinfo, without_dynamic):
+    from nonebot_bison.types import Target, SubUnit
+
     post_router = respx.get(
         "https://api.vc.bilibili.com/dynamic_svr/v1/dynamic_svr/space_history?host_uid=161775300&offset=0&need_top=0"
     )
     post_router.mock(return_value=Response(200, json=without_dynamic))
     bilibili_main_page_router = respx.get("https://www.bilibili.com/")
     bilibili_main_page_router.mock(return_value=Response(200))
-    target = "161775300"
-    res = await bilibili.fetch_new_post(target, [dummy_user_subinfo])
+    target = Target("161775300")
+    res = await bilibili.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert post_router.called
     assert len(res) == 0
 
@@ -121,21 +123,23 @@ async def test_fetch_new_without_dynamic(bilibili, dummy_user_subinfo, without_d
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_new(bilibili, dummy_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     post_router = respx.get(
         "https://api.vc.bilibili.com/dynamic_svr/v1/dynamic_svr/space_history?host_uid=161775300&offset=0&need_top=0"
     )
     post_router.mock(return_value=Response(200, json=get_json("bilibili_strange_post-0.json")))
     bilibili_main_page_router = respx.get("https://www.bilibili.com/")
     bilibili_main_page_router.mock(return_value=Response(200))
-    target = "161775300"
-    res = await bilibili.fetch_new_post(target, [dummy_user_subinfo])
+    target = Target("161775300")
+    res = await bilibili.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert post_router.called
     assert len(res) == 0
 
     mock_data = get_json("bilibili_strange_post.json")
     mock_data["data"]["cards"][0]["desc"]["timestamp"] = int(datetime.now().timestamp())
     post_router.mock(return_value=Response(200, json=mock_data))
-    res2 = await bilibili.fetch_new_post(target, [dummy_user_subinfo])
+    res2 = await bilibili.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert len(res2[0][1]) == 1
     post = res2[0][1][0]
     assert (
diff --git a/tests/platforms/test_bilibili_bangumi.py b/tests/platforms/test_bilibili_bangumi.py
index 6506682..a2d37d7 100644
--- a/tests/platforms/test_bilibili_bangumi.py
+++ b/tests/platforms/test_bilibili_bangumi.py
@@ -35,7 +35,7 @@ async def test_parse_target(bili_bangumi: "BilibiliBangumi"):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_bilibili_bangumi_status(bili_bangumi: "BilibiliBangumi", dummy_user_subinfo):
-    from nonebot_bison.types import Target
+    from nonebot_bison.types import Target, SubUnit
 
     bili_bangumi_router = respx.get("https://api.bilibili.com/pgc/review/user?media_id=28235413")
     bili_bangumi_detail_router = respx.get("https://api.bilibili.com/pgc/view/web/season?season_id=39719")
@@ -43,15 +43,15 @@ async def test_fetch_bilibili_bangumi_status(bili_bangumi: "BilibiliBangumi", du
     bilibili_main_page_router = respx.get("https://www.bilibili.com/")
     bilibili_main_page_router.mock(return_value=Response(200))
     target = Target("28235413")
-    res = await bili_bangumi.fetch_new_post(target, [dummy_user_subinfo])
+    res = await bili_bangumi.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert len(res) == 0
 
-    res = await bili_bangumi.fetch_new_post(target, [dummy_user_subinfo])
+    res = await bili_bangumi.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert len(res) == 0
 
     bili_bangumi_router.mock(return_value=Response(200, json=get_json("bilibili-gangumi-hanhua1.json")))
     bili_bangumi_detail_router.mock(return_value=Response(200, json=get_json("bilibili-gangumi-hanhua1-detail.json")))
-    res2 = await bili_bangumi.fetch_new_post(target, [dummy_user_subinfo])
+    res2 = await bili_bangumi.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
 
     post = res2[0][1][0]
     assert post.target_type == "Bilibili剧集"
diff --git a/tests/platforms/test_bilibili_live.py b/tests/platforms/test_bilibili_live.py
index 744f58b..1889694 100644
--- a/tests/platforms/test_bilibili_live.py
+++ b/tests/platforms/test_bilibili_live.py
@@ -29,16 +29,18 @@ def dummy_only_open_user_subinfo(app: App):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_bililive_no_room(bili_live, dummy_only_open_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     mock_bili_live_status = get_json("bili_live_status.json")
-    mock_bili_live_status["data"] = []
+    mock_bili_live_status["data"] = {}
     bili_live_router = respx.get("https://api.live.bilibili.com/room/v1/Room/get_status_info_by_uids?uids[]=13164144")
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
 
     bilibili_main_page_router = respx.get("https://www.bilibili.com/")
     bilibili_main_page_router.mock(return_value=Response(200))
 
-    target = "13164144"
-    res = await bili_live.fetch_new_post(target, [dummy_only_open_user_subinfo])
+    target = Target("13164144")
+    res = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_open_user_subinfo]))])
     assert bili_live_router.call_count == 1
     assert len(res) == 0
 
@@ -46,23 +48,25 @@ async def test_fetch_bililive_no_room(bili_live, dummy_only_open_user_subinfo):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_first_live(bili_live, dummy_only_open_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     mock_bili_live_status = get_json("bili_live_status.json")
     empty_bili_live_status = deepcopy(mock_bili_live_status)
-    empty_bili_live_status["data"] = []
+    empty_bili_live_status["data"] = {}
     bili_live_router = respx.get("https://api.live.bilibili.com/room/v1/Room/get_status_info_by_uids?uids[]=13164144")
     bili_live_router.mock(return_value=Response(200, json=empty_bili_live_status))
 
     bilibili_main_page_router = respx.get("https://www.bilibili.com/")
     bilibili_main_page_router.mock(return_value=Response(200))
 
-    target = "13164144"
-    res = await bili_live.fetch_new_post(target, [dummy_only_open_user_subinfo])
+    target = Target("13164144")
+    res = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_open_user_subinfo]))])
     assert bili_live_router.call_count == 1
     assert len(res) == 0
 
     mock_bili_live_status["data"][target]["live_status"] = 1
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res2 = await bili_live.fetch_new_post(target, [dummy_only_open_user_subinfo])
+    res2 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_open_user_subinfo]))])
     assert bili_live_router.call_count == 2
     assert len(res2) == 1
     post = res2[0][1][0]
@@ -77,6 +81,8 @@ async def test_fetch_first_live(bili_live, dummy_only_open_user_subinfo):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_bililive_only_live_open(bili_live, dummy_only_open_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     mock_bili_live_status = get_json("bili_live_status.json")
 
     bili_live_router = respx.get("https://api.live.bilibili.com/room/v1/Room/get_status_info_by_uids?uids[]=13164144")
@@ -85,14 +91,14 @@ async def test_fetch_bililive_only_live_open(bili_live, dummy_only_open_user_sub
     bilibili_main_page_router = respx.get("https://www.bilibili.com/")
     bilibili_main_page_router.mock(return_value=Response(200))
 
-    target = "13164144"
-    res = await bili_live.fetch_new_post(target, [dummy_only_open_user_subinfo])
+    target = Target("13164144")
+    res = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_open_user_subinfo]))])
     assert bili_live_router.call_count == 1
     assert len(res[0][1]) == 0
     # 直播状态更新-上播
     mock_bili_live_status["data"][target]["live_status"] = 1
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res2 = await bili_live.fetch_new_post(target, [dummy_only_open_user_subinfo])
+    res2 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_open_user_subinfo]))])
     post = res2[0][1][0]
     assert post.target_type == "Bilibili直播"
     assert post.text == "[开播] 【Zc】从0挑战到15肉鸽！目前10难度"
@@ -103,13 +109,13 @@ async def test_fetch_bililive_only_live_open(bili_live, dummy_only_open_user_sub
     # 标题变更
     mock_bili_live_status["data"][target]["title"] = "【Zc】从0挑战到15肉鸽！目前11难度"
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res3 = await bili_live.fetch_new_post(target, [dummy_only_open_user_subinfo])
+    res3 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_open_user_subinfo]))])
     assert bili_live_router.call_count == 3
     assert len(res3[0][1]) == 0
     # 直播状态更新-下播
     mock_bili_live_status["data"][target]["live_status"] = 0
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res4 = await bili_live.fetch_new_post(target, [dummy_only_open_user_subinfo])
+    res4 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_open_user_subinfo]))])
     assert bili_live_router.call_count == 4
     assert len(res4[0][1]) == 0
 
@@ -127,8 +133,10 @@ def dummy_only_title_user_subinfo(app: App):
 @pytest.mark.asyncio()
 @respx.mock
 async def test_fetch_bililive_only_title_change(bili_live, dummy_only_title_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     mock_bili_live_status = get_json("bili_live_status.json")
-    target = "13164144"
+    target = Target("13164144")
 
     bili_live_router = respx.get("https://api.live.bilibili.com/room/v1/Room/get_status_info_by_uids?uids[]=13164144")
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
@@ -136,25 +144,25 @@ async def test_fetch_bililive_only_title_change(bili_live, dummy_only_title_user
     bilibili_main_page_router = respx.get("https://www.bilibili.com/")
     bilibili_main_page_router.mock(return_value=Response(200))
 
-    res = await bili_live.fetch_new_post(target, [dummy_only_title_user_subinfo])
+    res = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_title_user_subinfo]))])
     assert bili_live_router.call_count == 1
     assert len(res) == 0
     # 未开播前标题变更
     mock_bili_live_status["data"][target]["title"] = "【Zc】从0挑战到15肉鸽！目前11难度"
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res0 = await bili_live.fetch_new_post(target, [dummy_only_title_user_subinfo])
+    res0 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_title_user_subinfo]))])
     assert bili_live_router.call_count == 2
     assert len(res0) == 0
     # 直播状态更新-上播
     mock_bili_live_status["data"][target]["live_status"] = 1
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res2 = await bili_live.fetch_new_post(target, [dummy_only_title_user_subinfo])
+    res2 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_title_user_subinfo]))])
     assert bili_live_router.call_count == 3
     assert len(res2[0][1]) == 0
     # 标题变更
     mock_bili_live_status["data"][target]["title"] = "【Zc】从0挑战到15肉鸽！目前12难度"
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res3 = await bili_live.fetch_new_post(target, [dummy_only_title_user_subinfo])
+    res3 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_title_user_subinfo]))])
     post = res3[0][1][0]
     assert post.target_type == "Bilibili直播"
     assert post.text == "[标题更新] 【Zc】从0挑战到15肉鸽！目前12难度"
@@ -165,7 +173,7 @@ async def test_fetch_bililive_only_title_change(bili_live, dummy_only_title_user
     # 直播状态更新-下播
     mock_bili_live_status["data"][target]["live_status"] = 0
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res4 = await bili_live.fetch_new_post(target, [dummy_only_title_user_subinfo])
+    res4 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_title_user_subinfo]))])
     assert bili_live_router.call_count == 5
     assert len(res4[0][1]) == 0
 
@@ -183,8 +191,10 @@ def dummy_only_close_user_subinfo(app: App):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_bililive_only_close(bili_live, dummy_only_close_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     mock_bili_live_status = get_json("bili_live_status.json")
-    target = "13164144"
+    target = Target("13164144")
 
     bili_live_router = respx.get("https://api.live.bilibili.com/room/v1/Room/get_status_info_by_uids?uids[]=13164144")
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
@@ -192,31 +202,31 @@ async def test_fetch_bililive_only_close(bili_live, dummy_only_close_user_subinf
     bilibili_main_page_router = respx.get("https://www.bilibili.com/")
     bilibili_main_page_router.mock(return_value=Response(200))
 
-    res = await bili_live.fetch_new_post(target, [dummy_only_close_user_subinfo])
+    res = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_close_user_subinfo]))])
     assert bili_live_router.call_count == 1
     assert len(res) == 0
     # 未开播前标题变更
     mock_bili_live_status["data"][target]["title"] = "【Zc】从0挑战到15肉鸽！目前11难度"
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res0 = await bili_live.fetch_new_post(target, [dummy_only_close_user_subinfo])
+    res0 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_close_user_subinfo]))])
     assert bili_live_router.call_count == 2
     assert len(res0) == 0
     # 直播状态更新-上播
     mock_bili_live_status["data"][target]["live_status"] = 1
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res2 = await bili_live.fetch_new_post(target, [dummy_only_close_user_subinfo])
+    res2 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_close_user_subinfo]))])
     assert bili_live_router.call_count == 3
     assert len(res2[0][1]) == 0
     # 标题变更
     mock_bili_live_status["data"][target]["title"] = "【Zc】从0挑战到15肉鸽！目前12难度"
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res3 = await bili_live.fetch_new_post(target, [dummy_only_close_user_subinfo])
+    res3 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_close_user_subinfo]))])
     assert bili_live_router.call_count == 4
     assert len(res3[0][1]) == 0
     # 直播状态更新-下播
     mock_bili_live_status["data"][target]["live_status"] = 0
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res4 = await bili_live.fetch_new_post(target, [dummy_only_close_user_subinfo])
+    res4 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_only_close_user_subinfo]))])
     assert bili_live_router.call_count == 5
     post = res4[0][1][0]
     assert post.target_type == "Bilibili直播"
@@ -240,8 +250,10 @@ def dummy_bililive_user_subinfo(app: App):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_bililive_combo(bili_live, dummy_bililive_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     mock_bili_live_status = get_json("bili_live_status.json")
-    target = "13164144"
+    target = Target("13164144")
 
     bili_live_router = respx.get("https://api.live.bilibili.com/room/v1/Room/get_status_info_by_uids?uids[]=13164144")
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
@@ -249,19 +261,19 @@ async def test_fetch_bililive_combo(bili_live, dummy_bililive_user_subinfo):
     bilibili_main_page_router = respx.get("https://www.bilibili.com/")
     bilibili_main_page_router.mock(return_value=Response(200))
 
-    res = await bili_live.fetch_new_post(target, [dummy_bililive_user_subinfo])
+    res = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_bililive_user_subinfo]))])
     assert bili_live_router.call_count == 1
     assert len(res) == 0
     # 未开播前标题变更
     mock_bili_live_status["data"][target]["title"] = "【Zc】从0挑战到15肉鸽！目前11难度"
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res0 = await bili_live.fetch_new_post(target, [dummy_bililive_user_subinfo])
+    res0 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_bililive_user_subinfo]))])
     assert bili_live_router.call_count == 2
     assert len(res0) == 0
     # 直播状态更新-上播
     mock_bili_live_status["data"][target]["live_status"] = 1
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res2 = await bili_live.fetch_new_post(target, [dummy_bililive_user_subinfo])
+    res2 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_bililive_user_subinfo]))])
     post2 = res2[0][1][0]
     assert post2.target_type == "Bilibili直播"
     assert post2.text == "[开播] 【Zc】从0挑战到15肉鸽！目前11难度"
@@ -272,7 +284,7 @@ async def test_fetch_bililive_combo(bili_live, dummy_bililive_user_subinfo):
     # 标题变更
     mock_bili_live_status["data"][target]["title"] = "【Zc】从0挑战到15肉鸽！目前12难度"
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res3 = await bili_live.fetch_new_post(target, [dummy_bililive_user_subinfo])
+    res3 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_bililive_user_subinfo]))])
     post3 = res3[0][1][0]
     assert post3.target_type == "Bilibili直播"
     assert post3.text == "[标题更新] 【Zc】从0挑战到15肉鸽！目前12难度"
@@ -283,7 +295,7 @@ async def test_fetch_bililive_combo(bili_live, dummy_bililive_user_subinfo):
     # 直播状态更新-下播
     mock_bili_live_status["data"][target]["live_status"] = 0
     bili_live_router.mock(return_value=Response(200, json=mock_bili_live_status))
-    res4 = await bili_live.fetch_new_post(target, [dummy_bililive_user_subinfo])
+    res4 = await bili_live.batch_fetch_new_post([(SubUnit(target, [dummy_bililive_user_subinfo]))])
     post4 = res4[0][1][0]
     assert post4.target_type == "Bilibili直播"
     assert post4.text == "[下播] 【Zc】从0挑战到15肉鸽！目前12难度"
diff --git a/tests/platforms/test_ff14.py b/tests/platforms/test_ff14.py
index f165d26..9631c70 100644
--- a/tests/platforms/test_ff14.py
+++ b/tests/platforms/test_ff14.py
@@ -27,16 +27,18 @@ def ff14_newdata_json_1():
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_new(ff14, dummy_user_subinfo, ff14_newdata_json_0, ff14_newdata_json_1):
+    from nonebot_bison.types import Target, SubUnit
+
     newdata = respx.get(
         "https://cqnews.web.sdo.com/api/news/newsList?gameCode=ff&CategoryCode=5309,5310,5311,5312,5313&pageIndex=0&pageSize=5"
     )
     newdata.mock(return_value=Response(200, json=ff14_newdata_json_0))
-    target = ""
-    res = await ff14.fetch_new_post(target, [dummy_user_subinfo])
+    target = Target("")
+    res = await ff14.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert newdata.called
     assert len(res) == 0
     newdata.mock(return_value=Response(200, json=ff14_newdata_json_1))
-    res = await ff14.fetch_new_post(target, [dummy_user_subinfo])
+    res = await ff14.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert newdata.called
     post = res[0][1][0]
     assert post.target_type == "ff14"
diff --git a/tests/platforms/test_ncm_artist.py b/tests/platforms/test_ncm_artist.py
index b50f156..d982229 100644
--- a/tests/platforms/test_ncm_artist.py
+++ b/tests/platforms/test_ncm_artist.py
@@ -41,14 +41,16 @@ def ncm_artist_1(ncm_artist_raw: dict):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_new(ncm_artist, ncm_artist_0, ncm_artist_1, dummy_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     ncm_router = respx.get("https://music.163.com/api/artist/albums/32540734")
     ncm_router.mock(return_value=Response(200, json=ncm_artist_0))
-    target = "32540734"
-    res = await ncm_artist.fetch_new_post(target, [dummy_user_subinfo])
+    target = Target("32540734")
+    res = await ncm_artist.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert ncm_router.called
     assert len(res) == 0
     ncm_router.mock(return_value=Response(200, json=ncm_artist_1))
-    res2 = await ncm_artist.fetch_new_post(target, [dummy_user_subinfo])
+    res2 = await ncm_artist.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     post = res2[0][1][0]
     assert post.target_type == "ncm-artist"
     assert post.text == "新专辑发布：Y1K"
diff --git a/tests/platforms/test_ncm_radio.py b/tests/platforms/test_ncm_radio.py
index 7de411e..7547540 100644
--- a/tests/platforms/test_ncm_radio.py
+++ b/tests/platforms/test_ncm_radio.py
@@ -41,14 +41,16 @@ def ncm_radio_1(ncm_radio_raw: dict):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_new(ncm_radio, ncm_radio_0, ncm_radio_1, dummy_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     ncm_router = respx.post("http://music.163.com/api/dj/program/byradio")
     ncm_router.mock(return_value=Response(200, json=ncm_radio_0))
-    target = "793745436"
-    res = await ncm_radio.fetch_new_post(target, [dummy_user_subinfo])
+    target = Target("793745436")
+    res = await ncm_radio.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert ncm_router.called
     assert len(res) == 0
     ncm_router.mock(return_value=Response(200, json=ncm_radio_1))
-    res2 = await ncm_radio.fetch_new_post(target, [dummy_user_subinfo])
+    res2 = await ncm_radio.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     post = res2[0][1][0]
     assert post.target_type == "ncm-radio"
     assert post.text == "网易云电台更新：「松烟行动」灰齐山麓"
diff --git a/tests/platforms/test_platform.py b/tests/platforms/test_platform.py
index c8a7462..f2dce29 100644
--- a/tests/platforms/test_platform.py
+++ b/tests/platforms/test_platform.py
@@ -325,16 +325,14 @@ def mock_status_change(app: App):
 @pytest.mark.asyncio
 async def test_new_message_target_without_cats_tags(mock_platform_without_cats_tags, user_info_factory):
     from nonebot_bison.utils import ProcessContext
+    from nonebot_bison.types import Target, SubUnit
 
     res1 = await mock_platform_without_cats_tags(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy", [user_info_factory([1, 2], [])]
+        SubUnit(Target("dummy"), [user_info_factory([1, 2], [])])
     )
     assert len(res1) == 0
     res2 = await mock_platform_without_cats_tags(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy",
-        [
-            user_info_factory([], []),
-        ],
+        SubUnit(Target("dummy"), [user_info_factory([], [])]),
     )
     assert len(res2) == 1
     posts_1 = res2[0][1]
@@ -348,16 +346,21 @@ async def test_new_message_target_without_cats_tags(mock_platform_without_cats_t
 @pytest.mark.asyncio
 async def test_new_message_target(mock_platform, user_info_factory):
     from nonebot_bison.utils import ProcessContext
+    from nonebot_bison.types import Target, SubUnit
 
-    res1 = await mock_platform(ProcessContext(), AsyncClient()).fetch_new_post("dummy", [user_info_factory([1, 2], [])])
+    res1 = await mock_platform(ProcessContext(), AsyncClient()).fetch_new_post(
+        SubUnit(Target("dummy"), [user_info_factory([1, 2], [])])
+    )
     assert len(res1) == 0
     res2 = await mock_platform(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy",
-        [
-            user_info_factory([1, 2], []),
-            user_info_factory([1], []),
-            user_info_factory([1, 2], ["tag1"]),
-        ],
+        SubUnit(
+            Target("dummy"),
+            [
+                user_info_factory([1, 2], []),
+                user_info_factory([1], []),
+                user_info_factory([1, 2], ["tag1"]),
+            ],
+        ),
     )
     assert len(res2) == 3
     posts_1 = res2[0][1]
@@ -378,18 +381,21 @@ async def test_new_message_target(mock_platform, user_info_factory):
 @pytest.mark.asyncio
 async def test_new_message_no_target(mock_platform_no_target, user_info_factory):
     from nonebot_bison.utils import ProcessContext
+    from nonebot_bison.types import Target, SubUnit
 
     res1 = await mock_platform_no_target(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy", [user_info_factory([1, 2], [])]
+        SubUnit(Target("dummy"), [user_info_factory([1, 2], [])])
     )
     assert len(res1) == 0
     res2 = await mock_platform_no_target(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy",
-        [
-            user_info_factory([1, 2], []),
-            user_info_factory([1], []),
-            user_info_factory([1, 2], ["tag1"]),
-        ],
+        SubUnit(
+            Target("dummy"),
+            [
+                user_info_factory([1, 2], []),
+                user_info_factory([1], []),
+                user_info_factory([1, 2], ["tag1"]),
+            ],
+        ),
     )
     assert len(res2) == 3
     posts_1 = res2[0][1]
@@ -406,7 +412,7 @@ async def test_new_message_no_target(mock_platform_no_target, user_info_factory)
     assert "p2" in id_set_2
     assert "p2" in id_set_3
     res3 = await mock_platform_no_target(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy", [user_info_factory([1, 2], [])]
+        SubUnit(Target("dummy"), [user_info_factory([1, 2], [])])
     )
     assert len(res3) == 0
 
@@ -414,31 +420,34 @@ async def test_new_message_no_target(mock_platform_no_target, user_info_factory)
 @pytest.mark.asyncio
 async def test_status_change(mock_status_change, user_info_factory):
     from nonebot_bison.utils import ProcessContext
+    from nonebot_bison.types import Target, SubUnit
 
     res1 = await mock_status_change(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy", [user_info_factory([1, 2], [])]
+        SubUnit(Target("dummy"), [user_info_factory([1, 2], [])])
     )
     assert len(res1) == 0
     res2 = await mock_status_change(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy", [user_info_factory([1, 2], [])]
+        SubUnit(Target("dummy"), [user_info_factory([1, 2], [])])
     )
     assert len(res2) == 1
     posts = res2[0][1]
     assert len(posts) == 1
     assert posts[0].text == "on"
     res3 = await mock_status_change(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy",
-        [
-            user_info_factory([1, 2], []),
-            user_info_factory([1], []),
-        ],
+        SubUnit(
+            Target("dummy"),
+            [
+                user_info_factory([1, 2], []),
+                user_info_factory([1], []),
+            ],
+        ),
     )
     assert len(res3) == 2
     assert len(res3[0][1]) == 1
     assert res3[0][1][0].text == "off"
     assert len(res3[1][1]) == 0
     res4 = await mock_status_change(ProcessContext(), AsyncClient()).fetch_new_post(
-        "dummy", [user_info_factory([1, 2], [])]
+        SubUnit(Target("dummy"), [user_info_factory([1, 2], [])])
     )
     assert len(res4) == 0
 
@@ -450,7 +459,7 @@ async def test_group(
     mock_platform_no_target_2,
     user_info_factory,
 ):
-    from nonebot_bison.types import Target
+    from nonebot_bison.types import Target, SubUnit
     from nonebot_bison.utils import ProcessContext, http_client
     from nonebot_bison.platform.platform import make_no_target_group
 
@@ -458,14 +467,176 @@ async def test_group(
 
     group_platform_class = make_no_target_group([mock_platform_no_target, mock_platform_no_target_2])
     group_platform = group_platform_class(ProcessContext(), http_client())
-    res1 = await group_platform.fetch_new_post(dummy, [user_info_factory([1, 4], [])])
+    res1 = await group_platform.fetch_new_post(SubUnit(dummy, [user_info_factory([1, 4], [])]))
     assert len(res1) == 0
-    res2 = await group_platform.fetch_new_post(dummy, [user_info_factory([1, 4], [])])
+    res2 = await group_platform.fetch_new_post(SubUnit(dummy, [user_info_factory([1, 4], [])]))
     assert len(res2) == 1
     posts = res2[0][1]
     assert len(posts) == 2
     id_set_2 = {x.text for x in posts}
     assert "p2" in id_set_2
     assert "p6" in id_set_2
-    res3 = await group_platform.fetch_new_post(dummy, [user_info_factory([1, 4], [])])
+    res3 = await group_platform.fetch_new_post(SubUnit(dummy, [user_info_factory([1, 4], [])]))
     assert len(res3) == 0
+
+
+async def test_batch_fetch_new_message(app: App):
+    from nonebot_plugin_saa import TargetQQGroup
+
+    from nonebot_bison.post import Post
+    from nonebot_bison.platform.platform import NewMessage
+    from nonebot_bison.utils.context import ProcessContext
+    from nonebot_bison.types import Target, RawPost, SubUnit, UserSubInfo
+
+    class BatchNewMessage(NewMessage):
+        platform_name = "mock_platform"
+        name = "Mock Platform"
+        enabled = True
+        is_common = True
+        schedule_interval = 10
+        enable_tag = False
+        categories = {}
+        has_target = True
+
+        sub_index = 0
+
+        @classmethod
+        async def get_target_name(cls, client, _: "Target"):
+            return "MockPlatform"
+
+        def get_id(self, post: "RawPost") -> Any:
+            return post["id"]
+
+        def get_date(self, raw_post: "RawPost") -> float:
+            return raw_post["date"]
+
+        async def parse(self, raw_post: "RawPost") -> "Post":
+            return Post(
+                "mock_platform",
+                raw_post["text"],
+                "http://t.tt/" + str(self.get_id(raw_post)),
+                target_name="Mock",
+            )
+
+        @classmethod
+        async def batch_get_sub_list(cls, targets: list[Target]) -> list[list[RawPost]]:
+            assert len(targets) > 1
+            if cls.sub_index == 0:
+                cls.sub_index += 1
+                res = [
+                    [raw_post_list_2[0]],
+                    [raw_post_list_2[1]],
+                ]
+            else:
+                res = [
+                    [raw_post_list_2[0], raw_post_list_2[2]],
+                    [raw_post_list_2[1], raw_post_list_2[3]],
+                ]
+            res += [[]] * (len(targets) - 2)
+            return res
+
+    user1 = UserSubInfo(TargetQQGroup(group_id=123), [1, 2, 3], [])
+    user2 = UserSubInfo(TargetQQGroup(group_id=234), [1, 2, 3], [])
+
+    platform_obj = BatchNewMessage(ProcessContext(), None)  # type:ignore
+
+    res1 = await platform_obj.batch_fetch_new_post(
+        [
+            SubUnit(Target("target1"), [user1]),
+            SubUnit(Target("target2"), [user1, user2]),
+            SubUnit(Target("target3"), [user2]),
+        ]
+    )
+    assert len(res1) == 0
+
+    res2 = await platform_obj.batch_fetch_new_post(
+        [
+            SubUnit(Target("target1"), [user1]),
+            SubUnit(Target("target2"), [user1, user2]),
+            SubUnit(Target("target3"), [user2]),
+        ]
+    )
+    assert len(res2) == 3
+    send_set = set()
+    for platform_target, posts in res2:
+        for post in posts:
+            send_set.add((platform_target, post.text))
+    assert (TargetQQGroup(group_id=123), "p3") in send_set
+    assert (TargetQQGroup(group_id=123), "p4") in send_set
+    assert (TargetQQGroup(group_id=234), "p4") in send_set
+
+
+async def test_batch_fetch_compare_status(app: App):
+    from nonebot_plugin_saa import TargetQQGroup
+
+    from nonebot_bison.post import Post
+    from nonebot_bison.utils.context import ProcessContext
+    from nonebot_bison.platform.platform import StatusChange
+    from nonebot_bison.types import Target, RawPost, SubUnit, Category, UserSubInfo
+
+    class BatchStatusChange(StatusChange):
+        platform_name = "mock_platform"
+        name = "Mock Platform"
+        enabled = True
+        is_common = True
+        enable_tag = False
+        schedule_type = "interval"
+        schedule_kw = {"seconds": 10}
+        has_target = False
+        categories = {
+            Category(1): "转发",
+            Category(2): "视频",
+        }
+
+        sub_index = 0
+
+        @classmethod
+        async def batch_get_status(cls, targets: "list[Target]"):
+            assert len(targets) > 0
+            res = [{"s": cls.sub_index == 1} for _ in targets]
+            res[0]["s"] = not res[0]["s"]
+            if cls.sub_index == 0:
+                cls.sub_index += 1
+            return res
+
+        def compare_status(self, target, old_status, new_status) -> list["RawPost"]:
+            if old_status["s"] is False and new_status["s"] is True:
+                return [{"text": "on", "cat": 1}]
+            elif old_status["s"] is True and new_status["s"] is False:
+                return [{"text": "off", "cat": 2}]
+            return []
+
+        async def parse(self, raw_post) -> "Post":
+            return Post("mock_status", raw_post["text"], "")
+
+        def get_category(self, raw_post):
+            return raw_post["cat"]
+
+    batch_status_change = BatchStatusChange(ProcessContext(), None)  # type: ignore
+
+    user1 = UserSubInfo(TargetQQGroup(group_id=123), [1, 2, 3], [])
+    user2 = UserSubInfo(TargetQQGroup(group_id=234), [1, 2, 3], [])
+
+    res1 = await batch_status_change.batch_fetch_new_post(
+        [
+            SubUnit(Target("target1"), [user1]),
+            SubUnit(Target("target2"), [user1, user2]),
+        ]
+    )
+    assert len(res1) == 0
+
+    res2 = await batch_status_change.batch_fetch_new_post(
+        [
+            SubUnit(Target("target1"), [user1]),
+            SubUnit(Target("target2"), [user1, user2]),
+        ]
+    )
+
+    send_set = set()
+    for platform_target, posts in res2:
+        for post in posts:
+            send_set.add((platform_target, post.text))
+    assert len(send_set) == 3
+    assert (TargetQQGroup(group_id=123), "off") in send_set
+    assert (TargetQQGroup(group_id=123), "on") in send_set
+    assert (TargetQQGroup(group_id=234), "on") in send_set
diff --git a/tests/platforms/test_rss.py b/tests/platforms/test_rss.py
index 88a78cf..bb80a2f 100644
--- a/tests/platforms/test_rss.py
+++ b/tests/platforms/test_rss.py
@@ -68,15 +68,17 @@ async def test_fetch_new_1(
     user_info_factory,
     update_time_feed_1,
 ):
+    from nonebot_bison.types import Target, SubUnit
+
     ## 标题重复的情况
     rss_router = respx.get("https://rsshub.app/twitter/user/ArknightsStaff")
     rss_router.mock(return_value=Response(200, text=get_file("rss-twitter-ArknightsStaff-0.xml")))
-    target = "https://rsshub.app/twitter/user/ArknightsStaff"
-    res1 = await rss.fetch_new_post(target, [user_info_factory([], [])])
+    target = Target("https://rsshub.app/twitter/user/ArknightsStaff")
+    res1 = await rss.fetch_new_post(SubUnit(target, [user_info_factory([], [])]))
     assert len(res1) == 0
 
     rss_router.mock(return_value=Response(200, text=update_time_feed_1))
-    res2 = await rss.fetch_new_post(target, [user_info_factory([], [])])
+    res2 = await rss.fetch_new_post(SubUnit(target, [user_info_factory([], [])]))
     assert len(res2[0][1]) == 1
     post1 = res2[0][1][0]
     assert post1.url == "https://twitter.com/ArknightsStaff/status/1659091539023282178"
@@ -95,15 +97,17 @@ async def test_fetch_new_2(
     user_info_factory,
     update_time_feed_2,
 ):
+    from nonebot_bison.types import Target, SubUnit
+
     ## 标题与正文不重复的情况
     rss_router = respx.get("https://www.ruanyifeng.com/blog/atom.xml")
     rss_router.mock(return_value=Response(200, text=get_file("rss-ruanyifeng-0.xml")))
-    target = "https://www.ruanyifeng.com/blog/atom.xml"
-    res1 = await rss.fetch_new_post(target, [user_info_factory([], [])])
+    target = Target("https://www.ruanyifeng.com/blog/atom.xml")
+    res1 = await rss.fetch_new_post(SubUnit(target, [user_info_factory([], [])]))
     assert len(res1) == 0
 
     rss_router.mock(return_value=Response(200, text=update_time_feed_2))
-    res2 = await rss.fetch_new_post(target, [user_info_factory([], [])])
+    res2 = await rss.fetch_new_post(SubUnit(target, [user_info_factory([], [])]))
     assert len(res2[0][1]) == 1
     post1 = res2[0][1][0]
     assert post1.url == "http://www.ruanyifeng.com/blog/2023/05/weekly-issue-255.html"
@@ -129,15 +133,17 @@ async def test_fetch_new_3(
     user_info_factory,
     update_time_feed_3,
 ):
+    from nonebot_bison.types import Target, SubUnit
+
     ## 只有<updated>没有<published>
     rss_router = respx.get("https://github.com/R3nzTheCodeGOD/R3nzSkin/releases.atom")
     rss_router.mock(return_value=Response(200, text=get_file("rss-github-atom-0.xml")))
-    target = "https://github.com/R3nzTheCodeGOD/R3nzSkin/releases.atom"
-    res1 = await rss.fetch_new_post(target, [user_info_factory([], [])])
+    target = Target("https://github.com/R3nzTheCodeGOD/R3nzSkin/releases.atom")
+    res1 = await rss.fetch_new_post(SubUnit(target, [user_info_factory([], [])]))
     assert len(res1) == 0
 
     rss_router.mock(return_value=Response(200, text=update_time_feed_3))
-    res2 = await rss.fetch_new_post(target, [user_info_factory([], [])])
+    res2 = await rss.fetch_new_post(SubUnit(target, [user_info_factory([], [])]))
     assert len(res2[0][1]) == 1
     post1 = res2[0][1][0]
     assert post1.url == "https://github.com/R3nzTheCodeGOD/R3nzSkin/releases/tag/v3.0.9"
@@ -150,15 +156,17 @@ async def test_fetch_new_4(
     rss,
     user_info_factory,
 ):
+    from nonebot_bison.types import Target, SubUnit
+
     ## 没有日期信息的情况
     rss_router = respx.get("https://rsshub.app/wallhaven/hot?limit=5")
     rss_router.mock(return_value=Response(200, text=get_file("rss-top5-old.xml")))
-    target = "https://rsshub.app/wallhaven/hot?limit=5"
-    res1 = await rss.fetch_new_post(target, [user_info_factory([], [])])
+    target = Target("https://rsshub.app/wallhaven/hot?limit=5")
+    res1 = await rss.fetch_new_post(SubUnit(target, [user_info_factory([], [])]))
     assert len(res1) == 0
 
     rss_router.mock(return_value=Response(200, text=get_file("rss-top5-new.xml")))
-    res2 = await rss.fetch_new_post(target, [user_info_factory([], [])])
+    res2 = await rss.fetch_new_post(SubUnit(target, [user_info_factory([], [])]))
     assert len(res2[0][1]) == 1
     post1 = res2[0][1][0]
     assert post1.url == "https://wallhaven.cc/w/85rjej"
diff --git a/tests/platforms/test_weibo.py b/tests/platforms/test_weibo.py
index 14148b8..ee6f7cb 100644
--- a/tests/platforms/test_weibo.py
+++ b/tests/platforms/test_weibo.py
@@ -41,25 +41,27 @@ async def test_get_name(weibo):
 @pytest.mark.asyncio
 @respx.mock
 async def test_fetch_new(weibo, dummy_user_subinfo):
+    from nonebot_bison.types import Target, SubUnit
+
     ak_list_router = respx.get("https://m.weibo.cn/api/container/getIndex?containerid=1076036279793937")
     detail_router = respx.get("https://m.weibo.cn/detail/4649031014551911")
     ak_list_router.mock(return_value=Response(200, json=get_json("weibo_ak_list_0.json")))
     detail_router.mock(return_value=Response(200, text=get_file("weibo_detail_4649031014551911")))
     image_cdn_router.mock(Response(200, content=b""))
-    target = "6279793937"
-    res = await weibo.fetch_new_post(target, [dummy_user_subinfo])
+    target = Target("6279793937")
+    res = await weibo.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert ak_list_router.called
     assert len(res) == 0
     assert not detail_router.called
     mock_data = get_json("weibo_ak_list_1.json")
     ak_list_router.mock(return_value=Response(200, json=mock_data))
-    res2 = await weibo.fetch_new_post(target, [dummy_user_subinfo])
+    res2 = await weibo.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert len(res2) == 0
     mock_data["data"]["cards"][1]["mblog"]["created_at"] = datetime.now(timezone("Asia/Shanghai")).strftime(
         "%a %b %d %H:%M:%S %z %Y"
     )
     ak_list_router.mock(return_value=Response(200, json=mock_data))
-    res3 = await weibo.fetch_new_post(target, [dummy_user_subinfo])
+    res3 = await weibo.fetch_new_post(SubUnit(target, [dummy_user_subinfo]))
     assert len(res3[0][1]) == 1
     assert not detail_router.called
     post = res3[0][1][0]
@@ -103,7 +105,9 @@ def test_tag(weibo, weibo_ak_list_1):
 @pytest.mark.asyncio
 @pytest.mark.compare
 async def test_rsshub_compare(weibo):
-    target = "6279793937"
+    from nonebot_bison.types import Target
+
+    target = Target("6279793937")
     raw_posts = filter(weibo.filter_platform_custom, await weibo.get_sub_list(target))
     posts = []
     for raw_post in raw_posts:
diff --git a/tests/scheduler/test_scheduler.py b/tests/scheduler/test_scheduler.py
index 56d5419..df50601 100644
--- a/tests/scheduler/test_scheduler.py
+++ b/tests/scheduler/test_scheduler.py
@@ -1,7 +1,9 @@
 import typing
 from datetime import time
+from unittest.mock import AsyncMock
 
 from nonebug import App
+from httpx import AsyncClient
 from pytest_mock import MockerFixture
 
 if typing.TYPE_CHECKING:
@@ -50,6 +52,45 @@ async def test_scheduler_without_time(init_scheduler):
     assert static_res["bilibili-live-t2"] == 3
 
 
+async def test_scheduler_batch_api(init_scheduler, mocker: MockerFixture):
+    from nonebot_plugin_saa import TargetQQGroup
+
+    from nonebot_bison.config import config
+    from nonebot_bison.types import UserSubInfo
+    from nonebot_bison.scheduler import scheduler_dict
+    from nonebot_bison.types import Target as T_Target
+    from nonebot_bison.scheduler.manager import init_scheduler
+    from nonebot_bison.platform.bilibili import BilibiliSchedConf
+
+    await config.add_subscribe(TargetQQGroup(group_id=123), T_Target("t1"), "target1", "bilibili-live", [], [])
+    await config.add_subscribe(TargetQQGroup(group_id=123), T_Target("t2"), "target2", "bilibili-live", [], [])
+
+    mocker.patch.object(BilibiliSchedConf, "get_client", return_value=AsyncClient())
+
+    await init_scheduler()
+
+    batch_fetch_mock = AsyncMock()
+
+    class FakePlatform:
+        def __init__(self) -> None:
+            self.do_batch_fetch_new_post = batch_fetch_mock
+
+    fake_platform_obj = FakePlatform()
+    mocker.patch.dict(
+        "nonebot_bison.scheduler.scheduler.platform_manager",
+        {"bilibili-live": mocker.Mock(return_value=fake_platform_obj)},
+    )
+
+    await scheduler_dict[BilibiliSchedConf].exec_fetch()
+
+    batch_fetch_mock.assert_called_once_with(
+        [
+            (T_Target("t1"), [UserSubInfo(user=TargetQQGroup(group_id=123), categories=[], tags=[])]),
+            (T_Target("t2"), [UserSubInfo(user=TargetQQGroup(group_id=123), categories=[], tags=[])]),
+        ]
+    )
+
+
 async def test_scheduler_with_time(app: App, init_scheduler, mocker: MockerFixture):
     from nonebot_plugin_saa import TargetQQGroup