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diff --git a/archive/2.0.0a8/advanced/export-and-require.md b/archive/2.0.0a8.post1/advanced/export-and-require.md
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diff --git a/archive/2.0.0a8/advanced/overloaded-handlers.md b/archive/2.0.0a8.post1/advanced/overloaded-handlers.md
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diff --git a/archive/2.0.0a8/advanced/permission.md b/archive/2.0.0a8.post1/advanced/permission.md
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diff --git a/archive/2.0.0a8/advanced/publish-plugin.md b/archive/2.0.0a8.post1/advanced/publish-plugin.md
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diff --git a/archive/2.0.0a8/advanced/runtime-hook.md b/archive/2.0.0a8.post1/advanced/runtime-hook.md
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diff --git a/archive/2.0.0a8/advanced/scheduler.md b/archive/2.0.0a8.post1/advanced/scheduler.md
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diff --git a/archive/2.0.0a8/api/README.md b/archive/2.0.0a8.post1/api/README.md
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diff --git a/archive/2.0.0a8/api/adapters/README.md b/archive/2.0.0a8.post1/api/adapters/README.md
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diff --git a/archive/2.0.0a8/api/adapters/cqhttp.md b/archive/2.0.0a8.post1/api/adapters/cqhttp.md
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diff --git a/archive/2.0.0a8/api/adapters/ding.md b/archive/2.0.0a8.post1/api/adapters/ding.md
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diff --git a/archive/2.0.0a8/api/config.md b/archive/2.0.0a8.post1/api/config.md
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diff --git a/archive/2.0.0a8/api/drivers/README.md b/archive/2.0.0a8.post1/api/drivers/README.md
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diff --git a/archive/2.0.0a8/api/drivers/fastapi.md b/archive/2.0.0a8.post1/api/drivers/fastapi.md
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diff --git a/archive/2.0.0a8/api/exception.md b/archive/2.0.0a8.post1/api/exception.md
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diff --git a/archive/2.0.0a8/api/log.md b/archive/2.0.0a8.post1/api/log.md
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diff --git a/archive/2.0.0a8/api/matcher.md b/archive/2.0.0a8.post1/api/matcher.md
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diff --git a/archive/2.0.0a8/api/message.md b/archive/2.0.0a8.post1/api/message.md
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diff --git a/archive/2.0.0a8/api/nonebot.md b/archive/2.0.0a8.post1/api/nonebot.md
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diff --git a/archive/2.0.0a8/api/permission.md b/archive/2.0.0a8.post1/api/permission.md
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diff --git a/archive/2.0.0a8/api/plugin.md b/archive/2.0.0a8.post1/api/plugin.md
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diff --git a/archive/2.0.0a8/api/rule.md b/archive/2.0.0a8.post1/api/rule.md
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diff --git a/archive/2.0.0a8/api/typing.md b/archive/2.0.0a8.post1/api/typing.md
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diff --git a/archive/2.0.0a8/api/utils.md b/archive/2.0.0a8.post1/api/utils.md
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diff --git a/archive/2.0.0a8/guide/README.md b/archive/2.0.0a8.post1/guide/README.md
similarity index 100%
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diff --git a/archive/2.0.0a8/guide/basic-configuration.md b/archive/2.0.0a8.post1/guide/basic-configuration.md
similarity index 100%
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diff --git a/archive/2.0.0a8/guide/cqhttp-guide.md b/archive/2.0.0a8.post1/guide/cqhttp-guide.md
similarity index 100%
rename from archive/2.0.0a8/guide/cqhttp-guide.md
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diff --git a/archive/2.0.0a8/guide/creating-a-handler.md b/archive/2.0.0a8.post1/guide/creating-a-handler.md
similarity index 96%
rename from archive/2.0.0a8/guide/creating-a-handler.md
rename to archive/2.0.0a8.post1/guide/creating-a-handler.md
index 5b6b0591..723aeeff 100644
--- a/archive/2.0.0a8/guide/creating-a-handler.md
+++ b/archive/2.0.0a8.post1/guide/creating-a-handler.md
@@ -69,7 +69,7 @@ async def handle2(bot: Bot, event: Event, state: T_State):
 ```python
 @matcher.got("key1")
 @matcher.got("key2")
-async def handle(bot: Bot, event: Event, state: State):
+async def handle(bot: Bot, event: Event, state: T_State):
     pass
 ```
 
@@ -169,12 +169,12 @@ matcher = on_command("test")
 
 # 修改默认参数处理
 @matcher.args_parser
-async def parse(bot: Bot, event: Event, state: State):
+async def parse(bot: Bot, event: Event, state: T_State):
     print(state["_current_key"], ":", str(event.get_message()))
     state[state["_current_key"]] = str(event.get_message())
 
 @matcher.handle()
-async def first_receive(bot: Bot, event: Event, state: State):
+async def first_receive(bot: Bot, event: Event, state: T_State):
     # 获取用户原始命令，如：/test
     print(state["_prefix"]["raw_command"])
     # 处理用户输入参数，如：/test arg1 arg2
@@ -186,7 +186,7 @@ async def first_receive(bot: Bot, event: Event, state: State):
 
 
 @matcher.got("arg1", prompt="参数？")
-async def arg_handle(bot: Bot, event: Event, state: State):
+async def arg_handle(bot: Bot, event: Event, state: T_State):
     # 在这里对参数进行验证
     if state["arg1"] not in ["allow", "list"]:
         await matcher.reject("参数不正确！请重新输入")
diff --git a/archive/2.0.0a8/guide/creating-a-matcher.md b/archive/2.0.0a8.post1/guide/creating-a-matcher.md
similarity index 94%
rename from archive/2.0.0a8/guide/creating-a-matcher.md
rename to archive/2.0.0a8.post1/guide/creating-a-matcher.md
index 09603855..182885fe 100644
--- a/archive/2.0.0a8/guide/creating-a-matcher.md
+++ b/archive/2.0.0a8.post1/guide/creating-a-matcher.md
@@ -21,7 +21,7 @@ async def handle_first_receive(bot: Bot, event: Event, state: T_State):
 
 
 @weather.got("city", prompt="你想查询哪个城市的天气呢？")
-async def handle_city(bot: Bot, event: Event, state: State):
+async def handle_city(bot: Bot, event: Event, state: T_State):
     city = state["city"]
     if city not in ["上海", "北京"]:
         await weather.reject("你想查询的城市暂不支持，请重新输入！")
@@ -115,16 +115,17 @@ rule 的出现使得 nonebot 对事件的响应可以非常自由，nonebot 内
 
 ```python
 from nonebot.rule import Rule
+from nonebot.typing import T_State
 
-async def async_checker(bot: Bot, event: Event, state: State) -> bool:
+async def async_checker(bot: Bot, event: Event, state: T_State) -> bool:
     return True
 
-def sync_checker(bot: Bot, event: Event, state: State) -> bool:
+def sync_checker(bot: Bot, event: Event, state: T_State) -> bool:
     return True
 
 def check(arg1, args2):
 
-    async def _checker(bot: Bot, event: Event, state: State) -> bool:
+    async def _checker(bot: Bot, event: Event, state: T_State) -> bool:
         return bool(arg1 + arg2)
 
     return Rule(_check)
diff --git a/archive/2.0.0a8/guide/creating-a-plugin.md b/archive/2.0.0a8.post1/guide/creating-a-plugin.md
similarity index 100%
rename from archive/2.0.0a8/guide/creating-a-plugin.md
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diff --git a/archive/2.0.0a8/guide/creating-a-project.md b/archive/2.0.0a8.post1/guide/creating-a-project.md
similarity index 100%
rename from archive/2.0.0a8/guide/creating-a-project.md
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diff --git a/archive/2.0.0a8/guide/ding-guide.md b/archive/2.0.0a8.post1/guide/ding-guide.md
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rename from archive/2.0.0a8/guide/ding-guide.md
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diff --git a/archive/2.0.0a8/guide/end-or-start.md b/archive/2.0.0a8.post1/guide/end-or-start.md
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diff --git a/archive/2.0.0a8/guide/getting-started.md b/archive/2.0.0a8.post1/guide/getting-started.md
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diff --git a/archive/2.0.0a8/guide/installation.md b/archive/2.0.0a8.post1/guide/installation.md
similarity index 100%
rename from archive/2.0.0a8/guide/installation.md
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diff --git a/archive/2.0.0a8/guide/loading-a-plugin.md b/archive/2.0.0a8.post1/guide/loading-a-plugin.md
similarity index 100%
rename from archive/2.0.0a8/guide/loading-a-plugin.md
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diff --git a/archive/2.0.0a8/sidebar.config.json b/archive/2.0.0a8.post1/sidebar.config.json
similarity index 100%
rename from archive/2.0.0a8/sidebar.config.json
rename to archive/2.0.0a8.post1/sidebar.config.json
diff --git a/docs/.vuepress/versions.json b/docs/.vuepress/versions.json
index 39a1ab33..361c0744 100644
--- a/docs/.vuepress/versions.json
+++ b/docs/.vuepress/versions.json
@@ -1,4 +1,4 @@
 [
-  "2.0.0a8",
+  "2.0.0a8.post1",
   "2.0.0a7"
 ]
\ No newline at end of file
diff --git a/docs/guide/creating-a-handler.md b/docs/guide/creating-a-handler.md
index 5b6b0591..723aeeff 100644
--- a/docs/guide/creating-a-handler.md
+++ b/docs/guide/creating-a-handler.md
@@ -69,7 +69,7 @@ async def handle2(bot: Bot, event: Event, state: T_State):
 ```python
 @matcher.got("key1")
 @matcher.got("key2")
-async def handle(bot: Bot, event: Event, state: State):
+async def handle(bot: Bot, event: Event, state: T_State):
     pass
 ```
 
@@ -169,12 +169,12 @@ matcher = on_command("test")
 
 # 修改默认参数处理
 @matcher.args_parser
-async def parse(bot: Bot, event: Event, state: State):
+async def parse(bot: Bot, event: Event, state: T_State):
     print(state["_current_key"], ":", str(event.get_message()))
     state[state["_current_key"]] = str(event.get_message())
 
 @matcher.handle()
-async def first_receive(bot: Bot, event: Event, state: State):
+async def first_receive(bot: Bot, event: Event, state: T_State):
     # 获取用户原始命令，如：/test
     print(state["_prefix"]["raw_command"])
     # 处理用户输入参数，如：/test arg1 arg2
@@ -186,7 +186,7 @@ async def first_receive(bot: Bot, event: Event, state: State):
 
 
 @matcher.got("arg1", prompt="参数？")
-async def arg_handle(bot: Bot, event: Event, state: State):
+async def arg_handle(bot: Bot, event: Event, state: T_State):
     # 在这里对参数进行验证
     if state["arg1"] not in ["allow", "list"]:
         await matcher.reject("参数不正确！请重新输入")
diff --git a/docs/guide/creating-a-matcher.md b/docs/guide/creating-a-matcher.md
index 09603855..182885fe 100644
--- a/docs/guide/creating-a-matcher.md
+++ b/docs/guide/creating-a-matcher.md
@@ -21,7 +21,7 @@ async def handle_first_receive(bot: Bot, event: Event, state: T_State):
 
 
 @weather.got("city", prompt="你想查询哪个城市的天气呢？")
-async def handle_city(bot: Bot, event: Event, state: State):
+async def handle_city(bot: Bot, event: Event, state: T_State):
     city = state["city"]
     if city not in ["上海", "北京"]:
         await weather.reject("你想查询的城市暂不支持，请重新输入！")
@@ -115,16 +115,17 @@ rule 的出现使得 nonebot 对事件的响应可以非常自由，nonebot 内
 
 ```python
 from nonebot.rule import Rule
+from nonebot.typing import T_State
 
-async def async_checker(bot: Bot, event: Event, state: State) -> bool:
+async def async_checker(bot: Bot, event: Event, state: T_State) -> bool:
     return True
 
-def sync_checker(bot: Bot, event: Event, state: State) -> bool:
+def sync_checker(bot: Bot, event: Event, state: T_State) -> bool:
     return True
 
 def check(arg1, args2):
 
-    async def _checker(bot: Bot, event: Event, state: State) -> bool:
+    async def _checker(bot: Bot, event: Event, state: T_State) -> bool:
         return bool(arg1 + arg2)
 
     return Rule(_check)
diff --git a/nonebot/adapters/cqhttp/event.py b/nonebot/adapters/cqhttp/event.py
index 5d1cdb2f..678ce504 100644
--- a/nonebot/adapters/cqhttp/event.py
+++ b/nonebot/adapters/cqhttp/event.py
@@ -184,7 +184,7 @@ class GroupMessageEvent(MessageEvent):
     __event__ = "message.group"
     message_type: Literal["group"]
     group_id: int
-    anonymous: Anonymous
+    anonymous: Optional[Anonymous] = None
 
     @overrides(Event)
     def get_event_description(self) -> str:
@@ -319,6 +319,7 @@ class PokeNotifyEvent(NotifyEvent):
     __event__ = "notice.notify.poke"
     sub_type: Literal["poke"]
     target_id: int
+    group_id: Optional[int] = None
 
     @overrides(Event)
     def is_tome(self) -> bool:
diff --git a/nonebot/adapters/cqhttp/exception.py b/nonebot/adapters/cqhttp/exception.py
index aeeb11be..af3ae6cd 100644
--- a/nonebot/adapters/cqhttp/exception.py
+++ b/nonebot/adapters/cqhttp/exception.py
@@ -28,7 +28,8 @@ class ActionFailed(BaseActionFailed, CQHTTPAdapterException):
         self.info = kwargs
 
     def __repr__(self):
-        return f"<ActionFailed " + ", ".join(f"{k=}" for k in self.info) + ">"
+        return f"<ActionFailed " + ", ".join(
+            f"{k}={v}" for k, v in self.info.items()) + ">"
 
     def __str__(self):
         return self.__repr__()
diff --git a/pyproject.toml b/pyproject.toml
index e69a93e1..e3de0817 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "nonebot2"
-version = "2.0.0-alpha.8"
+version = "2.0.0-alpha.8.post1"
 description = "An asynchronous python bot framework."
 authors = ["yanyongyu <yanyongyu_1@126.com>"]
 license = "MIT"