相片变得模糊是因为没有选择原图上传，具体上传方法如下：
1、通过桌面搜索或快捷方式打开QQ应用程序。
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https://iknow-pic.cdn.bcebos.com/0b55b319ebc4b74524010a5fc1fc1e178b8215e5"/>
2、输入自己的QQ号和密码，点击“安全登录”。
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https://iknow-pic.cdn.bcebos.com/d058ccbf6c81800a0c563447bf3533fa838b47c3"/>
3、在界面最上方点击五角星图标，进入QQ空间。
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https://iknow-pic.cdn.bcebos.com/8c1001e93901213f5f81f3955ae736d12e2e95cd"/>
4、在随后打开的页面中点击“相册”，随后在页面中间点击“上传相片/视频”按钮。
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https://iknow-pic.cdn.bcebos.com/622762d0f703918f389280835f3d269759eec43c"/>
5、随后选择自己想要上传的图片，点击“原图”之后上传即可。
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https://iknow-pic.cdn.bcebos.com/ae51f3deb48f8c546929786634292df5e1fe7f85"/>