diff --git a/app/service/design_fast/utils/synthesis_item.py b/app/service/design_fast/utils/synthesis_item.py
index a8ce1b4..606b1b5 100644
--- a/app/service/design_fast/utils/synthesis_item.py
+++ b/app/service/design_fast/utils/synthesis_item.py
@@ -60,6 +60,18 @@ def positioning(all_mask_shape, mask_shape, offset):
 
 # @RunTime
 def synthesis(data, size, basic_info):
+    """
+
+    Args:
+        data:
+        size:
+        basic_info:
+
+    Returns:
+
+    """
+    # out_of_bounds_control: 是否允许服装越界  True 允许 False 不允许  默认情况允许
+    out_of_bounds_control = basic_info.get('out_of_bounds_control', True)
     # 创建底图
     base_image = Image.new('RGBA', size, (0, 0, 0, 0))
     try:
@@ -88,7 +100,10 @@ def synthesis(data, size, basic_info):
         while i:
             i -= 1
             if top and data[i]['name'] in ["blouse_front", "outwear_front", "dress_front", "tops_front"]:
-                top = False
+                if out_of_bounds_control:
+                    top = True
+                else:
+                    top = False
                 mask_shape = data[i]['mask'].shape
                 y_offset, x_offset = data[i]['adaptive_position']
                 # 初始化叠加区域的起始和结束位置