How to only use trial price once?

[dawndevil]

Hello, Now, I created a plan, 7 days free first period, then $5 per month.

When I created 2 subscribtions with this plan, I found that free trial in every subscribtion.

How do I only use trial price once?

Do I need Create 2 plan?

The first is $5 per month.

The second is days free first period, then $5 per month.

Then judge in the code?