所需工具：手机QQ。
具体步骤如下：
1、首先，打开“QQ”，点击底部导航中的“动态”。
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https://iknow-pic.cdn.bcebos.com/63d9f2d3572c11df5d1cac0e6d2762d0f603c2ca"/>
2、点击“好友动态”。
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https://iknow-pic.cdn.bcebos.com/a2cc7cd98d1001e97ed70722b60e7bec54e79737"/>
3、进入“好友动态”主页后，点击右上角的“+”号按钮。
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https://iknow-pic.cdn.bcebos.com/a50f4bfbfbedab64bc7d5fedf936afc379311e8b"/>
4、这时上方会弹出几个图标按钮，点击“说说”按钮。
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https://iknow-pic.cdn.bcebos.com/0e2442a7d933c895644f8a56df1373f0820200ed"/>
5、点击“圆圈A”图标。
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https://iknow-pic.cdn.bcebos.com/4b90f603738da977eb299406be51f8198618e39d"/>
6、这时在弹出的页面中，看到有一个“炫彩字”，点击。
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https://iknow-pic.cdn.bcebos.com/e4dde71190ef76c6f18ae9069316fdfaaf516746"/>
7、这时就可以选择一种“彩色字体”。
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https://iknow-pic.cdn.bcebos.com/6a63f6246b600c3393c4cce5144c510fd9f9a159"/>