Mysql储存爬虫数据时报错，请问是哪个部分出了问题？

在爬到数据之后储存在mysql里，运行报错好像是说sql的语法出了问题，想请有经验的大手子看看是哪里出了问题

def save_to_mysql(data):
    config = {
        'host': 'localhost',
        'port': 3306,
        'user': 'root',
        'password': 'Jia960418',
        'database': 'python',
        'charset': 'utf8'
    }
    conn = pymysql.connect(**config)
    cursor = conn.cursor()
    sql = '''
         insert into LxhLol
            (ChamName, killNum, DeathNum, wl, duration)
         values 
            (%(ChamName)s,%(killNum)s,%(DeathNum)s,%(wl)s,%(duration)s)
    '''
    cursor.executemany(sql, data)
    conn.commit()

    cursor.close()
    conn.close()

下面是报错：
pymysql.err.ProgrammingError: (1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '),(),(),(),()),('Neeko','4','4','Defeat','24m 54s'),((),(),(),(),()),('Sion','5'' at line 4")

(),(),(),()好像是说你有插入空的内容吧，你检查一下爬的内容有没有空的