diff --git a/nonebot/matcher.py b/nonebot/matcher.py
index 09864e13..f6746c44 100644
--- a/nonebot/matcher.py
+++ b/nonebot/matcher.py
@@ -159,17 +159,29 @@ class Matcher(metaclass=MatcherMeta):
 
         NewMatcher = type(
             "Matcher", (Matcher,), {
-                "module": module,
-                "type": type_,
-                "rule": rule or Rule(),
-                "permission": permission or Permission(),
-                "handlers": handlers or [],
-                "temp": temp,
-                "expire_time": expire_time,
-                "priority": priority,
-                "block": block,
-                "_default_state": default_state or {},
-                "_default_state_factory": default_state_factory
+                "module":
+                    module,
+                "type":
+                    type_,
+                "rule":
+                    rule or Rule(),
+                "permission":
+                    permission or Permission(),
+                "handlers":
+                    handlers or [],
+                "temp":
+                    temp,
+                "expire_time":
+                    expire_time,
+                "priority":
+                    priority,
+                "block":
+                    block,
+                "_default_state":
+                    default_state or {},
+                "_default_state_factory":
+                    staticmethod(default_state_factory)
+                    if default_state_factory else None
             })
 
         matchers[priority].append(NewMatcher)
diff --git a/tests/test_plugins/test_metaevent.py b/tests/test_plugins/test_metaevent.py
index 972fd6be..e2a160e2 100644
--- a/tests/test_plugins/test_metaevent.py
+++ b/tests/test_plugins/test_metaevent.py
@@ -8,9 +8,14 @@ async def heartbeat(bot: Bot, event: Event, state: T_State) -> bool:
     return isinstance(event, HeartbeatMetaEvent)
 
 
-test_matcher = on_metaevent(heartbeat)
+async def factory(bot: Bot, event: Event) -> T_State:
+    return {"factory": True}
+
+
+test_matcher = on_metaevent(heartbeat, state_factory=factory)
 
 
 @test_matcher.receive()
 async def handle_heartbeat(bot: Bot, event: Event, state: T_State):
+    print(state)
     print("[i] Heartbeat")