diff --git a/nonebot/plugins/echo.py b/nonebot/plugins/echo.py
index 65b6c654..2b67c367 100644
--- a/nonebot/plugins/echo.py
+++ b/nonebot/plugins/echo.py
@@ -1,7 +1,18 @@
+from nonebot import on_command
 from nonebot.rule import to_me
 from nonebot.adapters import Message
 from nonebot.params import CommandArg
-from nonebot.plugin import on_command
+from nonebot.plugin import PluginMetadata
+
+__plugin_meta__ = PluginMetadata(
+    name="echo",
+    description="重复你说的话",
+    usage="/echo [text]",
+    type="application",
+    homepage="https://github.com/nonebot/nonebot2/blob/master/nonebot/plugins/echo.py",
+    config=None,
+    supported_adapters=None,
+)
 
 echo = on_command("echo", to_me())
 
diff --git a/nonebot/plugins/single_session.py b/nonebot/plugins/single_session.py
index 1afb478e..d5b2578f 100644
--- a/nonebot/plugins/single_session.py
+++ b/nonebot/plugins/single_session.py
@@ -2,8 +2,19 @@ from typing import Dict, AsyncGenerator
 
 from nonebot.adapters import Event
 from nonebot.params import Depends
+from nonebot.plugin import PluginMetadata
 from nonebot.message import IgnoredException, event_preprocessor
 
+__plugin_meta__ = PluginMetadata(
+    name="唯一会话",
+    description="限制同一会话内同时只能运行一个响应器",
+    usage="加载插件后自动生效",
+    type="application",
+    homepage="https://github.com/nonebot/nonebot2/blob/master/nonebot/plugins/single_session.py",
+    config=None,
+    supported_adapters=None,
+)
+
 _running_matcher: Dict[str, int] = {}
 
 
diff --git a/packages/nonebot-plugin-docs/README.md b/packages/nonebot-plugin-docs/README.md
index c7fb7b3f..32528990 100644
--- a/packages/nonebot-plugin-docs/README.md
+++ b/packages/nonebot-plugin-docs/README.md
@@ -22,6 +22,6 @@ _✨ NoneBot 本地文档插件 ✨_
 
 ## 使用方式
 
-加载插件并启动 Bot ，在浏览器内打开 `http://host:port/docs/`。
+加载插件并启动 Bot ，在浏览器内打开 `http://host:port/website/`。
 
 具体网址会在控制台内输出。
diff --git a/packages/nonebot-plugin-docs/nonebot_plugin_docs/__init__.py b/packages/nonebot-plugin-docs/nonebot_plugin_docs/__init__.py
index 34578c62..196fdeb0 100644
--- a/packages/nonebot-plugin-docs/nonebot_plugin_docs/__init__.py
+++ b/packages/nonebot-plugin-docs/nonebot_plugin_docs/__init__.py
@@ -2,6 +2,17 @@ import importlib
 
 import nonebot
 from nonebot.log import logger
+from nonebot.plugin import PluginMetadata
+
+__plugin_meta__ = PluginMetadata(
+    name="NoneBot 离线文档",
+    description="在本地查看 NoneBot 文档",
+    usage="启动机器人后访问 http://localhost:port/website/ 查看文档",
+    type="application",
+    homepage="https://github.com/nonebot/nonebot2/blob/master/packages/nonebot-plugin-docs",
+    config=None,
+    supported_adapters=None,
+)
 
 
 def init():
@@ -17,7 +28,7 @@ def init():
     register_route(driver)
     host = str(driver.config.host)
     port = driver.config.port
-    if host in ["0.0.0.0", "127.0.0.1"]:
+    if host in {"0.0.0.0", "127.0.0.1"}:
         host = "localhost"
     logger.opt(colors=True).info(
         f"Nonebot docs will be running at: "
diff --git a/packages/nonebot-plugin-docs/pyproject.toml b/packages/nonebot-plugin-docs/pyproject.toml
index 9ba24d40..83fbd377 100644
--- a/packages/nonebot-plugin-docs/pyproject.toml
+++ b/packages/nonebot-plugin-docs/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "nonebot-plugin-docs"
-version = "2.0.0-beta.1"
+version = "2.0.0"
 description = "View NoneBot2 Docs Locally"
 authors = ["yanyongyu <yyy@nonebot.dev>"]
 license = "MIT"
@@ -13,7 +13,7 @@ include = ["nonebot_plugin_docs/dist/**/*"]
 
 [tool.poetry.dependencies]
 python = "^3.8"
-nonebot2 = "^2.0.0-beta.1"
+nonebot2 = "^2.0.0"
 
 [tool.poetry.dev-dependencies]