diff --git a/engine/instances.py b/engine/instances.py
index 8e9901f..2aaf466 100644
--- a/engine/instances.py
+++ b/engine/instances.py
@@ -96,8 +96,17 @@ class Socks5Server:
         if not self.running:
             return
         self.running = False
-        if self.server:
-            self.server.close()
+        if self.server and self.loop:
+            # 在子线程事件循环中优雅关闭服务器
+            import concurrent.futures
+            async def _shutdown():
+                self.server.close()
+                await self.server.wait_closed()
+            try:
+                future = asyncio.run_coroutine_threadsafe(_shutdown(), self.loop)
+                future.result(timeout=5)  # 最多等待5秒
+            except (concurrent.futures.TimeoutError, Exception):
+                pass
         if self.loop:
             try:
                 self.loop.call_soon_threadsafe(self.loop.stop)