先寄到哪个地址然后再分给加州或者vermont州中心处理。 支票不是写给USCIS: Make the check or money order payable to U.S. Department of Homeland Security. NOTE: Spell out U.S. Department of Homeland Security; do not use the initials "USDHS" or "DHS." 不能简写USDHS,要把全名U.S. Department of Homeland Security写出来