diff -Naur ros-humble-nav-2d-utils-1.1.9_org/include/nav_2d_utils/parameters.hpp ros-humble-nav-2d-utils-1.1.9/include/nav_2d_utils/parameters.hpp
--- ros-humble-nav-2d-utils-1.1.9_org/include/nav_2d_utils/parameters.hpp	2023-09-11 18:09:33.622244466 +0800
+++ ros-humble-nav-2d-utils-1.1.9/include/nav_2d_utils/parameters.hpp	2023-09-11 18:08:47.389567205 +0800
@@ -64,7 +64,7 @@
   const nav2_util::LifecycleNode::SharedPtr & nh, const std::string & param_name,
   const param_t & default_value)
 {
-  param_t value;
+  param_t value = default_value;
   nav2_util::declare_parameter_if_not_declared(
     nh, param_name,
     rclcpp::ParameterValue(default_value));