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iOS开发支付宝和微信支付完成为什么跳转到了之前开发的一个app, 之前app和现在的app用的支付那些参数一样，有关系吗？
认证高级PHP讲师
Check whether the Alipay sdk configuration is incorrect
Everything is correct, there is no problem with paying for the first project, but when you use those parameters for the second project, it will jump to the first project after paying or clicking Cancel
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Check whether the Alipay sdk configuration is incorrect
Everything is correct, there is no problem with paying for the first project, but when you use those parameters for the second project, it will jump to the first project after paying or clicking Cancel