diff --git a/fastdeploy/entrypoints/api_server.py b/fastdeploy/entrypoints/api_server.py
index d848cb916..215ddac32 100644
--- a/fastdeploy/entrypoints/api_server.py
+++ b/fastdeploy/entrypoints/api_server.py
@@ -70,7 +70,10 @@ def cleanup_engine():
 
 def signal_handler(signum, frame):
     """Handle SIGINT and SIGTERM signals"""
-    sig_name = "SIGINT" if signum == signal.SIGINT else "SIGTERM"
+    try:
+        sig_name = signal.Signals(signum).name
+    except (ValueError, AttributeError):
+        sig_name = f"Signal({signum})"
     api_server_logger.info(f"Received {sig_name}, initiating graceful shutdown...")
     cleanup_engine()
     # Let uvicorn handle the actual exit
diff --git a/fastdeploy/entrypoints/openai/api_server.py b/fastdeploy/entrypoints/openai/api_server.py
index 8be298ccb..bae7ffc37 100644
--- a/fastdeploy/entrypoints/openai/api_server.py
+++ b/fastdeploy/entrypoints/openai/api_server.py
@@ -135,7 +135,10 @@ def cleanup_processes():
 
 def signal_handler(signum, frame):
     """Handle SIGINT and SIGTERM signals"""
-    sig_name = "SIGINT" if signum == signal.SIGINT else "SIGTERM"
+    try:
+        sig_name = signal.Signals(signum).name
+    except (ValueError, AttributeError):
+        sig_name = f"Signal({signum})"
     api_server_logger.info(f"Received {sig_name}, initiating graceful shutdown...")
     shutdown_event.set()
     cleanup_processes()