ElMessage.warning(language.value==0?'他们不是固定组合':'They\'re not a couple')
}else{
ElMessage.warning(language.value==0?`${a.realName} 已经和其他人组成舞伴,无法报名:请重新选择`:`${a.realName} has already formed a dancer with another person, cannot sign up: please select again`)
ElMessage.warning(language.value==0?`${a.realName} 已经和其他人组成舞伴,无法报名:请重新选择`:`${a.realName} has already formed a dancer with another person, cannot sign up: please select again`)