数据库问题：Invalid utf8 character string:'seckill:\xA3\xA8 '

CREATE TABLE  seckill（
'seckill_id' bigint NOT NULL AUTO_INCREMENT COMMENT '商品库存id',
'name' varchar (120)NOT NULL COMMENT '商品的名称',
'number' int　NOT NULL　COMMENT　'库存数量'，
'start_time' timestamp　NOT NULL　COMMENT　'秒杀开启时间',
'end_time' timestamp NOT NULL COMMENT '秒杀结束时间',
'create_time' timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP  COMMENT '创建时间',
PRIMARY KEY(seckill_id),
key idx_start_time(start_time),
key idx_end_time(end_time),
key idx_create_time(create_time)
)ENGINE=INNOGB AUTO_INCREMENT=1000 DEFAULT CHARSET=utf8 COMMENT ='秒杀库存表';