diff --git a/nonebot/matcher.py b/nonebot/matcher.py
index 8a5f60d6..b8a874f2 100644
--- a/nonebot/matcher.py
+++ b/nonebot/matcher.py
@@ -627,6 +627,7 @@ class Matcher(metaclass=MatcherMeta):
                 priority=0,
                 block=True,
                 plugin=self.plugin,
+                module=self.module,
                 expire_time=datetime.now() + bot.config.session_expire_timeout,
                 default_state=self.state,
                 default_parser=self.__class__._default_parser,
@@ -663,6 +664,7 @@ class Matcher(metaclass=MatcherMeta):
                 priority=0,
                 block=True,
                 plugin=self.plugin,
+                module=self.module,
                 expire_time=datetime.now() + bot.config.session_expire_timeout,
                 default_state=self.state,
                 default_parser=self.__class__._default_parser,
diff --git a/nonebot/plugin/plugin.py b/nonebot/plugin/plugin.py
index ea06b446..ee5a7c51 100644
--- a/nonebot/plugin/plugin.py
+++ b/nonebot/plugin/plugin.py
@@ -40,9 +40,16 @@ class Plugin(object):
     - **类型**: ``Set[Type[Matcher]]``
     - **说明**: 插件内定义的 ``Matcher``
     """
-    # TODO
     parent_plugin: Optional["Plugin"] = None
+    """
+    - **类型**: ``Optional[Plugin]``
+    - **说明**: 父插件
+    """
     sub_plugins: Set["Plugin"] = field(default_factory=set)
+    """
+    - **类型**: ``Set[Plugin]``
+    - **说明**: 子插件集合
+    """
 
 
 def get_plugin(name: str) -> Optional[Plugin]: