Make sure that you back up the original one before modifying it.

确认在修改之前您已经备份了原始文件。

youdao

Always have a back up original format copy of your image. Never alter the original.

支持图片原来的格式，不要改变图片原来的尺寸。

youdao

Always have a back up original format copy of your image. Never alter the original.

支持图片原来的格式，不要改变图片原来的尺寸。

youdao