解决合成图顺序问题，修复边框坐标信息

Object/MergePic.py

@@ -74,7 +74,7 @@ def merge_images(image_dir_path,image_size,image_colnum):
     logger = logging.getLogger('info')
     # 获取图片集地址下的所有图片名称
     image_fullpath_list = get_image_list_fullpath(image_dir_path)
-    sorted(image_fullpath_list)
+    image_fullpath_list.sort()
     logger.info('-----------into merge_images check image_fullpath_list')
     logger.info(image_fullpath_list)
     # exit(image_fullpath_list)