diff --git a/app/controller/test_sync.py b/app/controller/test_sync.py
index c55d882..4ffff17 100644
--- a/app/controller/test_sync.py
+++ b/app/controller/test_sync.py
@@ -23,4 +23,4 @@ def add_test_sync_route(app: FastAPI):
     """异步延迟delay秒"""
     print(f"Process {os.getpid()} handling /async_delay")
     await asyncio.sleep(delay)
-    return {"hello": "world aaa"}
+    return {"hello": "world bbb"}