不可以取消，可以更改，修改办法如下：
1、打开手机界面，点击“支付宝”图标
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https://iknow-pic.cdn.bcebos.com/e61190ef76c6a7ef06032bd5f3faaf51f3de6618"/>
2、在打开的支付宝界面中，点击“我的”选项
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3、在“我的”界面中，点击“我的客服”选项
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4、在打开的界面中，点击“在线客服”选项
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https://iknow-pic.cdn.bcebos.com/b8389b504fc2d562472d531ee91190ef76c66c18"/>
5、在出现的界面中，输入“修改实名认证”，点击“发送”按钮
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https://iknow-pic.cdn.bcebos.com/9d82d158ccbf6c81662faf1bb23eb13533fa402d"/>
6、在出现的菜单中选择“本人改名/改身份证号码了”选项
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https://iknow-pic.cdn.bcebos.com/64380cd7912397dd09ad18f75782b2b7d1a28769"/>
7、在出现的界面中，点击“点击修改姓名”选项，按照提示进行修改即可
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https://iknow-pic.cdn.bcebos.com/8ad4b31c8701a18bd63f92bc902f07082938fe69"/>