diff --git a/python/sglang/srt/entrypoints/engine.py b/python/sglang/srt/entrypoints/engine.py
index 4e2a45817..7859fd8cd 100644
--- a/python/sglang/srt/entrypoints/engine.py
+++ b/python/sglang/srt/entrypoints/engine.py
@@ -888,6 +888,12 @@ class Engine(EngineScoreMixin, EngineBase):
             and self.tokenizer_manager._subprocess_watchdog is not None
         ):
             self.tokenizer_manager._subprocess_watchdog.stop()
+
+        send_to_rpc = getattr(self, "send_to_rpc", None)
+        if send_to_rpc is not None:
+            send_to_rpc.close(linger=0)
+            self.send_to_rpc = None
+
         kill_process_tree(os.getpid(), include_parent=False, wait_timeout=60)
 
     def __enter__(self):
diff --git a/test/registered/ascend/llm_models/test_ascend_minimax_m2.py b/test/registered/ascend/llm_models/test_ascend_minimax_m2.py
index f2f958a71..6f9db9508 100644
--- a/test/registered/ascend/llm_models/test_ascend_minimax_m2.py
+++ b/test/registered/ascend/llm_models/test_ascend_minimax_m2.py
@@ -37,6 +37,7 @@ class TestMiniMaxM2(GSM8KAscendMixin, CustomTestCase):
         "--chunked-prefill-size",
         "-1",
     ]
+    timeout_for_server_launch = 1800
 
 
 if __name__ == "__main__":