diff --git a/aip_x2_launch/config/dual_return_filter.param.yaml b/aip_x2_launch/config/dual_return_filter.param.yaml
index 5b1f1adb..b9488dbb 100644
--- a/aip_x2_launch/config/dual_return_filter.param.yaml
+++ b/aip_x2_launch/config/dual_return_filter.param.yaml
@@ -4,6 +4,9 @@
     weak_first_local_noise_threshold: 2 # description="for No_ROI roi_mode, recommended value is 10" />
     visibility_error_threshold: 0.5
     visibility_warn_threshold: 0.9
+    weak_first_distance_ratio: 1.004
+    general_distance_ratio: 1.03
+    max_azimuth_diff: 50.0
     max_distance: 5.0
     x_max: 18.0
     x_min: -12.0