In this case, you need to contact your local courier to check why it's stuck. If you couldn't, contact the seller to reflect the proble and require a solution from the seller in time.
LZ116530525CN Didn’t not move since may 28th. You told me back in june that it was going to move soon and nothing happened.. seller refund my order and we have no clue what is going on with my package. It is still in china!
In this case, you need to contact your local courier to check why it's stuck. If you couldn't, contact the seller to reflect the proble and require a solution from the seller in time.