From c58bd990fdb802ca8c8a8bb3c4808459e381ed12 Mon Sep 17 00:00:00 2001
From: Sakurasan <26715255+Sakurasan@users.noreply.github.com>
Date: Mon, 10 Aug 2026 20:23:17 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20lifespan=20=E5=85=B3=E9=97=AD=E6=97=B6?=
 =?UTF-8?q?=20await=20=E5=8F=96=E6=B6=88=E7=9A=84=E9=87=87=E9=9B=86?=
 =?UTF-8?q?=E4=BB=BB=E5=8A=A1=EF=BC=8C=E9=81=BF=E5=85=8D=20pending=20?=
 =?UTF-8?q?=E8=AD=A6=E5=91=8A?=
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Co-Authored-By: Claude <noreply@anthropic.com>
---
 backend/main.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/backend/main.py b/backend/main.py
index b6c9f7c..dc11b50 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -21,6 +21,10 @@ async def lifespan(app: FastAPI):
         yield
     finally:
         collector_task.cancel()
+        try:
+            await collector_task
+        except asyncio.CancelledError:
+            pass
 
 
 app = FastAPI(title="AUV API", version="1.0.0", lifespan=lifespan)