需要在电脑上绑定，方法如下：

1、首先在电脑上打开浏览器，然后在搜索栏中输入“支付宝”，然后在列表中选择红色箭头所指处的支付宝官网，点击进入。

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2、接下来登录自己的支付宝，在页面中选择红色箭头所指处的“账户设置”。

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3、接下来在页面中选择红色箭头所指处的邮箱，点击立即添加。

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4、然后输入验证码。

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5、接下来输入需要绑定的邮箱即可。

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