diff --git a/src/llamafactory/chat/chat_model.py b/src/llamafactory/chat/chat_model.py
index fb800106..2a72f422 100644
--- a/src/llamafactory/chat/chat_model.py
+++ b/src/llamafactory/chat/chat_model.py
@@ -31,7 +31,7 @@ if TYPE_CHECKING:
     from .base_engine import BaseEngine, Response
 
 
-def _start_background_loop(loop: asyncio.AbstractEventLoop) -> None:
+def _start_background_loop(loop: "asyncio.AbstractEventLoop") -> None:
     asyncio.set_event_loop(loop)
     loop.run_forever()
 
@@ -49,7 +49,8 @@ class ChatModel:
         self._loop = asyncio.new_event_loop()
         self._thread = Thread(target=_start_background_loop, args=(self._loop,), daemon=True)
         self._thread.start()
-        asyncio.run_coroutine_threadsafe(self.engine.start(), self._loop)
+        task = asyncio.run_coroutine_threadsafe(self.engine.start(), self._loop)
+        task.result()
 
     def chat(
         self,