diff --git a/launch/mapping_avia_outdoor.launch b/launch/mapping_avia_outdoor.launch
index e6f13a3..dd2e3fe 100644
--- a/launch/mapping_avia_outdoor.launch
+++ b/launch/mapping_avia_outdoor.launch
@@ -20,18 +20,18 @@
 	<param name="edgeb" type="double" value="0.1"/>
 	<param name="smallp_intersect" type="double" value="172.5"/>
 	<param name="smallp_ratio" type="double" value="1.2"/>
-	<param name="point_filter_num" type="int" value="3"/>
+	<param name="point_filter_num" type="int" value="1"/>
   <node pkg="fast_lio" type="loam_feat_extract" name="feature_extract" output="screen"/>
 
   <node pkg="fast_lio" type="loam_laserMapping" name="laserMapping" output="screen">
   <param name="map_file_path" type="string" value=" " />
-  <param name="max_iteration" type="int" value="10" />
+  <param name="max_iteration" type="int" value="85" />
   <param name="dense_map_enable" type="bool" value="true" />
   <param name="fov_degree" type="double" value="70" />
   <param name="filter_size_corner" type="double" value="0.5" />
   <param name="filter_size_surf" type="double" value="0.5" />
   <param name="filter_size_map" type="double" value="0.5" />
-  <param name="cube_side_length" type="double" value="80" />
+  <param name="cube_side_length" type="double" value="100" />
   </node>
 
   <group if="$(arg rviz)">