diff --git a/app/service/design_fast/utils/synthesis_item.py b/app/service/design_fast/utils/synthesis_item.py
index 79e53df..d46795e 100644
--- a/app/service/design_fast/utils/synthesis_item.py
+++ b/app/service/design_fast/utils/synthesis_item.py
@@ -207,7 +207,9 @@ def update_base_size_priority(layers, size):
         if info['name'] == 'mannequin':
             new_height = info['image'].height
     max_x = max(x_list)
-    new_width = max_x - min_x * 2
+
+    # x坐标中最小偏移量的绝对值 + 最大偏移量
+    new_width = max_x + abs(min_x)
     # 更新坐标
     for info in layers:
         info['adaptive_position'] = (info['position'][0], info['position'][1] - min_x)