Connect 4 check win方法抛出索引越界错误

def check_win(board, player):
    # 检查横向
    for row in range(len(board)):
        for col in range(len(board[row]) - 3):
            if board[row][col] == player and board[row][col + 1] == player and board[row][col + 2] == player and board[row][col + 3] == player:
                return True
    
    # 检查纵向
    for row in range(len(board) - 3):
        for col in range(len(board[row])):
            if board[row][col] == player and board[row + 1][col] == player and board[row + 2][col] == player and board[row + 3][col] == player:
                return True
    
    # 检查对角线（左上到右下）
    for row in range(len(board) - 3):
        for col in range(len(board[row]) - 3):
            if board[row][col] == player and board[row + 1][col + 1] == player and board[row + 2][col + 2] == player and board[row + 3][col + 3] == player:
                return True
    
    # 检查对角线（右上到左下）
    for row in range(len(board) - 3):
        for col in range(3, len(board[row])):
            if board[row][col] == player and board[row + 1][col - 1] == player and board[row + 2][col - 2] == player and board[row + 3][col - 3] == player:
                return True
    
    return False