diff --git a/docs/guide/creating-a-matcher.md b/docs/guide/creating-a-matcher.md
index 027dd009..b603449a 100644
--- a/docs/guide/creating-a-matcher.md
+++ b/docs/guide/creating-a-matcher.md
@@ -142,4 +142,3 @@ Rule(async_checker1) & sync_checker & async_checker2
 :::danger 警告
 `Rule(*checkers)` 只接受 async function，或使用 `nonebot.utils.run_sync` 自行包裹 sync function。在使用 `与 &` 时，NoneBot 会自动包裹 sync function
 :::
-t
\ No newline at end of file
diff --git a/tests/test_plugins/test_delete.py b/tests/test_plugins/test_delete.py
new file mode 100644
index 00000000..bd02cfbc
--- /dev/null
+++ b/tests/test_plugins/test_delete.py
@@ -0,0 +1,31 @@
+import asyncio
+
+from nonebot import on_message
+from nonebot.permission import USER
+from nonebot.typing import Bot, Event
+
+a = on_message(priority=0, permission=USER(123123123), temp=True)
+
+
+@a.handle()
+async def test_a(bot: Bot, event: Event, state: dict):
+    print("======== A Received ========")
+    print("======== A Running Completed ========")
+
+
+b = on_message(priority=0, permission=USER(123456789), temp=True)
+
+
+@b.handle()
+async def test_b(bot: Bot, event: Event, state: dict):
+    print("======== B Received ========")
+    await asyncio.sleep(10)
+    print("======== B Running Completed ========")
+
+
+c = on_message(priority=0, permission=USER(1111111111))
+
+
+@c.handle()
+async def test_c(bot: Bot, event: Event, state: dict):
+    print("======== C Received ========")