diff --git a/app/service/design_fast/utils/design_ensemble.py b/app/service/design_fast/utils/design_ensemble.py
index bfc50c6..8eef4f2 100644
--- a/app/service/design_fast/utils/design_ensemble.py
+++ b/app/service/design_fast/utils/design_ensemble.py
@@ -25,6 +25,7 @@ from app.core.config import *
 
 def keypoint_preprocess(img_path):
     img = mmcv.imread(img_path)
+    img = cv2.copyMakeBorder(img, 25, 25, 25, 25, cv2.BORDER_CONSTANT, value=[255, 255, 255])
     img_scale = (256, 256)
     h, w = img.shape[:2]
     img = cv2.resize(img, img_scale)
@@ -62,7 +63,11 @@ def keypoint_postprocess(output, scale_factor):
     scale_matrix = np.diag(scale_factor)
     nan = np.isinf(scale_matrix)
     scale_matrix[nan] = 0
-    return np.ceil(np.dot(segment_result, scale_matrix) * 4)
+    # 应用缩放因子
+    scaled_result = np.ceil(np.dot(segment_result, scale_matrix) * 4)
+    # 补偿边框偏移
+    compensated_result = scaled_result - 25
+    return compensated_result
 
 
 """