为什么只能判断白棋成功黑棋不能

private void checkOver() {

boolean wWin = checkFive(wArray);

boolean bWin = checkFive(wArray);

if (bWin || wWin) {

isOver = true;

isWhiteWin = bWin;

String text = isWhiteWin ? "白棋胜利！" : "黑棋胜利！";

Toast.makeText(getContext(), text, Toast.LENGTH_SHORT).show();

}

}