Warbotron - WB01-E - Fierce Attack

Hello,
I have a WB-01-E-Fierce Attach, it's vehicle window part is not close well, this part gap is very big.
Does anyone has same problem with me? Thx! 

I have a WB-01-E-Fierce Attach, it's vehicle window part is not close well, this part gap is very big.

