Wish complaint: Altering agreed date to provide a full refund.

19th March 2020
Payment Method:
PayPal
Item Total
£9.50
Shipping
£10.00
Order Total
£19.03
Location: China
I contacted Customer service to request a full refund as the order had not arrived by the date stated.
I was given a Partial Refund of £3.81 on 18th May then told if the order hasn’t arrived by 29th May (which is today) to contact them again they would give me a FULL refund.
I have just contacted them guess what? They have now said if it doesn’t arrive by the 9th July they will give me a full refund.
That is out of order, its 1 thing changing delivery dates of orders that are in the near future, but it’s another thing altering the agreed dead line date made by them, to provide me with a Full refund.
I have been stupid enough to spend ££££££s in that site. I wish I had never heard of the site in the 1st place. I know the Covid 19 hasn’t helped with delays in ordering delivery but that is no excuse to muck me about regarding my full refund.