您不需要更改模拟帐户的用户名和密码(请仔细检查您的模拟帐户的凭据).对于二进制文件，是的，对于这种拒绝类型，您必须重新提交新的二进制文件.

You don't need to change the demo account username and password (please double check your demo account credential). And regarding the binary, yes, you have to resubmit a new binary for this type of rejection.

注意:-当您看到已拒绝二进制文件时，则必须在更改内部版本号后重新提交新的二进制文件.

Note :- when you see Binary Rejected, then you have to resubmit a new binary after changing the build number.

-您可以使用问题部分下方的回复选项来回复他们.他们将在第二天为您提供有关您的应用被拒绝的详细说明.

Edit :- You can use Reply option below the issue section to reply to them. They will give you detailed explanation regarding your app rejection on the second day.