1、打开电脑板“美图秀秀”，在右上角选择“打开”，打开一张想要修改的图片
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2、打开图片之后，选择右上角的“尺寸”
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3、然后根据自己的情况设置图片的尺寸就可以了，点击“对比”，就可以看到修改前后的图片对比了，就可以把艺术照设置在微信背景可以完全显示了。
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