crc16计算结果错误 CRC16 calculation error

[xiaoa7]

The variable CRC needs to be initialized
//
func Crc16(bs []byte) (crc uint16) {
//init crc
crc = 0xffff
l := len(bs)
for i := 0; i < l; i++ {
crc = ((crc << 8) & 0xff00) ^ crc16tab[((crc>>8)&0xff)^uint16(bs[i])]
}
return
}