diff --git a/archive/kt-sft/ktransformers/server/balance_serve/sched_rpc.py b/archive/kt-sft/ktransformers/server/balance_serve/sched_rpc.py
index ccc30af58..589a696fb 100644
--- a/archive/kt-sft/ktransformers/server/balance_serve/sched_rpc.py
+++ b/archive/kt-sft/ktransformers/server/balance_serve/sched_rpc.py
@@ -28,7 +28,7 @@ def __init__(self, settings, main_args):
         self.context = zmq.Context()
         self.frontend = self.context.socket(zmq.ROUTER)
         print(f"sched zmq rpc server on port {main_args.sched_port}")
-        self.frontend.bind(f"tcp://*:{main_args.sched_port}") 
+        self.frontend.bind(f"tcp://127.0.0.1:{main_args.sched_port}") 
 
         self.backend = self.context.socket(zmq.DEALER)
         self.backend.bind("inproc://backend")
diff --git a/archive/ktransformers/server/balance_serve/sched_rpc.py b/archive/ktransformers/server/balance_serve/sched_rpc.py
index ab8b0dd7d..9fc835236 100644
--- a/archive/ktransformers/server/balance_serve/sched_rpc.py
+++ b/archive/ktransformers/server/balance_serve/sched_rpc.py
@@ -40,7 +40,7 @@ def __init__(self, settings, main_args):
         self.context = zmq.Context()
         self.frontend = self.context.socket(zmq.ROUTER)
         print(f"sched zmq rpc server on port {main_args.sched_port}")
-        self.frontend.bind(f"tcp://*:{main_args.sched_port}") 
+        self.frontend.bind(f"tcp://127.0.0.1:{main_args.sched_port}") 
 
         # 创建内部的 DEALER 套接字，用于与工作线程通信
         self.backend = self.context.socket(zmq.DEALER)