diff --git a/configs/sample_person_shoe_two_stage.json b/configs/sample_person_shoe_two_stage.json
index 3fe7251..08554a7 100644
--- a/configs/sample_person_shoe_two_stage.json
+++ b/configs/sample_person_shoe_two_stage.json
@@ -43,7 +43,7 @@
           "model_w": 640,
           "model_h": 640,
           "num_classes": 80,
-          "conf": 0.3,
+          "conf": 0.4,
           "nms": 0.45,
           "class_filter": [0],
           "bbox_expand": {
@@ -63,8 +63,11 @@
           "mode": "bytetrack_lite",
           "per_class": true,
           "track_classes": [0],
-          "max_age_ms": 1500,
-          "min_hits": 2
+          "high_th": 0.6,
+          "low_th": 0.15,
+          "iou_th": 0.3,
+          "max_age_ms": 600,
+          "min_hits": 3
         },
         {
           "id": "shoe_det",