wx.showModal({

    title: '助威确认',

    content: '消耗1KO币支持战队',

    showCancel:true,

    cancelColor: ' #949494',

    cancelText: '选错了',

    confirmColor: '#00D7B4',

    success: function(res) {}

})

设置了cancelColor  后，取消的文字在真机上不显示