move base URL into FIREWATCH_SERVICE, fix UTF-8 decode
move base URL into FIREWATCH_SERVICE, fix UTF-8 decode

rockychen-dpaw/gokart,wilsonc86/gokart,rockychen-dpaw/gokart,parksandwildlife/gokart,parksandwildlife/gokart,rockychen-dpaw/gokart,wilsonc86/gokart,rockychen-dpaw/gokart,wilsonc86/gokart,parksandwildlife/gokart,parksandwildlife/gokart