def count_danmaku(danmaku_list):
    ai_keywords = ['AI', 'ai', 'AI分析', 'AI识别', 'AI优化','人工智能']
    count_dict = {keyword: 0 for keyword in ai_keywords}
    for danmaku in danmaku_list:
        for keyword in ai_keywords:
            if keyword in danmaku:
                count_dict[keyword] += 1
    return count_dict