diff --git a/config.json b/config.json
index 16231a9..2d1c222 100644
--- a/config.json
+++ b/config.json
@@ -13,7 +13,7 @@
         "udp_port": 9999
     },
     "flight_control": {
-        "connection_string": "/dev/ttyUSB0",
+        "connection_string": "udpout:172.0.0.1:14550",
         "baud_rate": 57600
     },
     "fc_info":{
diff --git a/infer_camera_modular.py b/infer_camera_modular.py
index 06df56f..7a3c71a 100644
--- a/infer_camera_modular.py
+++ b/infer_camera_modular.py
@@ -231,7 +231,7 @@ class UAVControlLoop:
     """ 🛸 无人机飞控闭环控制核心 """
 
     def __init__(self, fc_cfg, pid_y_cfg, pid_z_cfg):
-        connection_string = fc_cfg.get("connection_string", "/dev/ttyUSB0")
+        connection_string = fc_cfg.get("connection_string", "udpout:172.0.0.1:14550")
         baud_rate = fc_cfg.get("baud_rate", 57600)
 
         # 初始化控制驱动端