1月18日又有貨! HPI Savage XS 世上最快迷你大轆車 65+mph 美國Castle無刷2.4G防水

Today just got my flux, having some problem~
1:Servo screw missing,(fix it with tamiya alu servo screw,so doesn't matter)
2:power cable get hot and some stinky smell when connect a 2s lipo (not running just setting up  radio)
3:cog like hell~my fd in U.S. facing same problem too~
how can i fix this?

The first lot mostly has some minor bug, hope the 2nd lot has fixed the problem!