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我的sql语句有子查询

select
*
from user
where id in (
    select id from user where id=#{r.userId}
) and id=#{r.userId}

这个只是表达我遇到的问题,如果我把子查询的筛选写死成where id=1,查询是ok的,证明#{r.userId}是可以拿到值的,但是像上面那样写就会出现

Parameter index out of range (4 > number of parameters, which is 3)

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等待大神解答

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