diff --git a/nonebot/drivers/aiohttp.py b/nonebot/drivers/aiohttp.py
index b17901fa..c362174d 100644
--- a/nonebot/drivers/aiohttp.py
+++ b/nonebot/drivers/aiohttp.py
@@ -56,7 +56,13 @@ class Mixin(ForwardMixin):
             files = aiohttp.FormData()
             for name, file in setup.files:
                 files.add_field(name, file[1], content_type=file[2], filename=file[0])
-        async with aiohttp.ClientSession(version=version, trust_env=True) as session:
+
+        cookies = {
+            cookie.name: cookie.value for cookie in setup.cookies if cookie.value
+        }
+        async with aiohttp.ClientSession(
+            cookies=cookies, version=version, trust_env=True
+        ) as session:
             async with session.request(
                 setup.method,
                 setup.url,
@@ -66,13 +72,12 @@ class Mixin(ForwardMixin):
                 timeout=timeout,
                 proxy=setup.proxy,
             ) as response:
-                res = Response(
+                return Response(
                     response.status,
                     headers=response.headers.copy(),
                     content=await response.read(),
                     request=setup,
                 )
-                return res
 
     @overrides(ForwardMixin)
     @asynccontextmanager
@@ -92,8 +97,7 @@ class Mixin(ForwardMixin):
                 headers=setup.headers,
                 proxy=setup.proxy,
             ) as ws:
-                websocket = WebSocket(request=setup, session=session, websocket=ws)
-                yield websocket
+                yield WebSocket(request=setup, session=session, websocket=ws)
 
 
 class WebSocket(BaseWebSocket):
diff --git a/nonebot/drivers/httpx.py b/nonebot/drivers/httpx.py
index 755ea0ec..de5617d2 100644
--- a/nonebot/drivers/httpx.py
+++ b/nonebot/drivers/httpx.py
@@ -48,17 +48,18 @@ class Mixin(ForwardMixin):
     @overrides(ForwardMixin)
     async def request(self, setup: Request) -> Response:
         async with httpx.AsyncClient(
+            cookies=setup.cookies.jar,
             http2=setup.version == HTTPVersion.H2,
-            proxies=setup.proxy,  # type: ignore
+            proxies=setup.proxy,
             follow_redirects=True,
         ) as client:
             response = await client.request(
                 setup.method,
                 str(setup.url),
-                content=setup.content,  # type: ignore
-                data=setup.data,  # type: ignore
+                content=setup.content,
+                data=setup.data,
                 json=setup.json,
-                files=setup.files,  # type: ignore
+                files=setup.files,
                 headers=tuple(setup.headers.items()),
                 timeout=setup.timeout,
             )
diff --git a/nonebot/drivers/websockets.py b/nonebot/drivers/websockets.py
index 1b4302f0..0701dfec 100644
--- a/nonebot/drivers/websockets.py
+++ b/nonebot/drivers/websockets.py
@@ -70,7 +70,7 @@ class Mixin(ForwardMixin):
     async def websocket(self, setup: Request) -> AsyncGenerator["WebSocket", None]:
         connection = Connect(
             str(setup.url),
-            extra_headers=setup.headers.items(),
+            extra_headers={**setup.headers, **setup.cookies.as_header(setup)},
             open_timeout=setup.timeout,
         )
         async with connection as ws:
@@ -101,8 +101,7 @@ class WebSocket(BaseWebSocket):
     @overrides(BaseWebSocket)
     @catch_closed
     async def receive(self) -> Union[str, bytes]:
-        msg = await self.websocket.recv()
-        return msg
+        return await self.websocket.recv()
 
     @overrides(BaseWebSocket)
     @catch_closed
diff --git a/nonebot/internal/adapter/template.py b/nonebot/internal/adapter/template.py
index b67c71b8..45c58f20 100644
--- a/nonebot/internal/adapter/template.py
+++ b/nonebot/internal/adapter/template.py
@@ -49,11 +49,11 @@ class MessageTemplate(Formatter, Generic[TF]):
     ) -> None:
         ...
 
-    def __init__(  # type:ignore
-        self, template, factory=str
-    ) -> None:  # TODO: fix type hint here
-        self.template: TF = template
-        self.factory: Type[TF] = factory
+    def __init__(
+        self, template: Union[str, TM], factory: Union[Type[str], Type[TM]] = str
+    ) -> None:
+        self.template: TF = template  # type: ignore
+        self.factory: Type[TF] = factory  # type: ignore
         self.format_specs: Dict[str, FormatSpecFunc] = {}
 
     def __repr__(self) -> str:
@@ -98,7 +98,7 @@ class MessageTemplate(Formatter, Generic[TF]):
         else:
             raise TypeError("template must be a string or instance of Message!")
 
-        self.check_unused_args(list(used_args), args, kwargs)
+        self.check_unused_args(used_args, args, kwargs)
         return cast(TF, full_message)
 
     def vformat(
diff --git a/nonebot/internal/driver/model.py b/nonebot/internal/driver/model.py
index f4bb9ae1..104b5c6d 100644
--- a/nonebot/internal/driver/model.py
+++ b/nonebot/internal/driver/model.py
@@ -1,4 +1,5 @@
 import abc
+import urllib.request
 from enum import Enum
 from dataclasses import dataclass
 from http.cookiejar import Cookie, CookieJar
@@ -105,12 +106,9 @@ class Request:
         self.url: URL = url
 
         # headers
-        self.headers: CIMultiDict[str]
-        if headers is not None:
-            self.headers = CIMultiDict(headers)
-        else:
-            self.headers = CIMultiDict()
-
+        self.headers: CIMultiDict[str] = (
+            CIMultiDict(headers) if headers is not None else CIMultiDict()
+        )
         # cookies
         self.cookies = Cookies(cookies)
 
@@ -147,12 +145,9 @@ class Response:
         self.status_code: int = status_code
 
         # headers
-        self.headers: CIMultiDict[str]
-        if headers is not None:
-            self.headers = CIMultiDict(headers)
-        else:
-            self.headers = CIMultiDict()
-
+        self.headers: CIMultiDict[str] = (
+            CIMultiDict(headers) if headers is not None else CIMultiDict()
+        )
         # body
         self.content: ContentTypes = content
 
@@ -308,6 +303,11 @@ class Cookies(MutableMapping):
         for cookie in cookies.jar:
             self.jar.set_cookie(cookie)
 
+    def as_header(self, request: Request) -> Dict[str, str]:
+        urllib_request = self._CookieCompatRequest(request)
+        self.jar.add_cookie_header(urllib_request)
+        return urllib_request.added_headers
+
     def __setitem__(self, name: str, value: str) -> None:
         return self.set(name, value)
 
@@ -333,6 +333,20 @@ class Cookies(MutableMapping):
         )
         return f"{self.__class__.__name__}({cookies_repr})"
 
+    class _CookieCompatRequest(urllib.request.Request):
+        def __init__(self, request: Request) -> None:
+            super().__init__(
+                url=str(request.url),
+                headers=dict(request.headers),
+                method=request.method,
+            )
+            self.request = request
+            self.added_headers: Dict[str, str] = {}
+
+        def add_unredirected_header(self, key: str, value: str) -> None:
+            super().add_unredirected_header(key, value)
+            self.added_headers[key] = value
+
 
 @dataclass
 class HTTPServerSetup:
diff --git a/nonebot/plugin/manager.py b/nonebot/plugin/manager.py
index 5611b954..572879cf 100644
--- a/nonebot/plugin/manager.py
+++ b/nonebot/plugin/manager.py
@@ -14,7 +14,7 @@ from itertools import chain
 from types import ModuleType
 from importlib.abc import MetaPathFinder
 from importlib.machinery import PathFinder, SourceFileLoader
-from typing import Set, Dict, List, Union, Iterable, Optional, Sequence
+from typing import Set, Dict, List, Iterable, Optional, Sequence
 
 from nonebot.log import logger
 from nonebot.utils import escape_tag, path_to_module_name
@@ -174,7 +174,7 @@ class PluginFinder(MetaPathFinder):
     def find_spec(
         self,
         fullname: str,
-        path: Optional[Sequence[Union[bytes, str]]],
+        path: Optional[Sequence[str]],
         target: Optional[ModuleType] = None,
     ):
         if _managers:
diff --git a/pyproject.toml b/pyproject.toml
index bbf7a605..1683fddd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -88,6 +88,9 @@ extra_standard_library = ["typing_extensions"]
 path = "."
 all = false
 
+[tool.pyright]
+reportShadowedImports = false
+
 [build-system]
 requires = ["poetry_core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"