diff --git a/configs/sample_person_shoe_two_stage.json b/configs/sample_person_shoe_two_stage.json
index 286702b..a4d414f 100644
--- a/configs/sample_person_shoe_two_stage.json
+++ b/configs/sample_person_shoe_two_stage.json
@@ -24,8 +24,8 @@
           "type": "preprocess",
           "role": "filter",
           "enable": true,
-          "dst_w": 1920,
-          "dst_h": 1080,
+          "dst_w": 640,
+          "dst_h": 640,
           "dst_format": "rgb",
           "dst_packed": true,
           "resize_mode": "stretch",