diff --git a/src/autonomy/fu/src/fu_node.cpp b/src/autonomy/fu/src/fu_node.cpp
index 1523d60..9ed7cdb 100644
--- a/src/autonomy/fu/src/fu_node.cpp
+++ b/src/autonomy/fu/src/fu_node.cpp
@@ -974,6 +974,7 @@ class fu_node : public rclcpp::Node
         // 状态3: 雷达数据超时，停车
         if (grid_age > 3.0)
         {
+            LOG_WARN("[栅格超时检测] 栅格数据已过期(%.3fs)！", grid_age);
             return 3;
         }