diff --git a/detector2d_param/src/detector2d_parameters.yaml b/detector2d_param/src/detector2d_parameters.yaml
index 7c095b8..cd3464c 100644
--- a/detector2d_param/src/detector2d_parameters.yaml
+++ b/detector2d_param/src/detector2d_parameters.yaml
@@ -3,6 +3,10 @@ detector2d_parameters:
     type: bool
     description: "debug"
     default_value: false
+  model_path:
+    type: string
+    description: "model path"
+    default_value: "./src/yolox_trt/weight/yolox_tiny.trt"
   load_target_plugin:
     type: string
     description: "load target plugin"