diff --git a/agv_app/utils/nav2_navigator.py b/agv_app/utils/nav2_navigator.py
index 558c78e..4b3309c 100644
--- a/agv_app/utils/nav2_navigator.py
+++ b/agv_app/utils/nav2_navigator.py
@@ -121,7 +121,7 @@ class Nav2Navigator:
     def _get_current_pose(self) -> List[float]:
         """从 /odom 获取当前位置 [x, y, yaw]"""
         try:
-            rc, out, err = _run_ros2_bash("timeout 3 ros2 topic echo /odom --once 2>/dev/null", timeout=4)
+            rc, out, err = _run_ros2_bash("timeout 3 ros2 topic echo /amcl_pose --once 2>/dev/null", timeout=4)
             if rc == 0 and out:
                 import re, yaml
                 clean = re.sub(r'\x1b\[[0-9;]*[a-zA-Z]', '', out)