Step 1,
Go to your dashboard>Billing>Subscription to find your subscription plan.
Step2,
Click the "Cancel subscription" in the lower right corner.
Step3,
You will get a confirmation prompt, click "confirm"
There, the unsubscription is done, and you will not be charged automatically in the next billing cycle.
*If you unsubscribe from the plan and run out of traffic within one month, you can always order again at any time. If you run out of your traffic before you unsubscribe from the plan, but need to order again, you need to unsubscribe the plan first, then order the plan again.