have sth.in mind or keep sth.in mind??

Have in mind
想到；记得；打算
Keep in mind.
记住。
所以两个意思是不同的

同意二楼的意见，两者是不同的。

have sth. in mind 是指我已经有想法了。 如：I have sth. in mind how to do this.

Keep sth. in mind 是指我会记住这(些)事的。 如： I will keep this in mind and let you know if something comes up.

Both are OK.