diff --git a/config/finger.json b/config/finger.json
index d5f6264..a1d5718 100644
--- a/config/finger.json
+++ b/config/finger.json
@@ -22,7 +22,7 @@
     "dis_preset": "medium",
     "dis_mode": 1,
     "algorithm_list": ["raft", "dis"],
-    "hhd_downsample": 5
+    "hhd_downsample": 2
   },
   "contact": {
     "min_contour_area": 3000,
diff --git a/sensors/finger/sensor.json b/sensors/finger/sensor.json
index d0cc395..982d988 100644
--- a/sensors/finger/sensor.json
+++ b/sensors/finger/sensor.json
@@ -22,7 +22,7 @@
     "dis_preset": "medium",
     "dis_mode": 1,
     "algorithm_list": ["raft", "dis"],
-    "hhd_downsample": 3
+    "hhd_downsample": 2
   },
   "filters": {
     "flow_ema_alpha": 1.0,