微信小程序蓝牙启用监听notifyBLECharacteristicValueChange，返回ok。然后调用writeBLECharacteristicValue接口发送数据，一直显示10008。已经按照网上的说法延时1秒发送数据，仍然返回10008。如果不启用监听，直接发送数据，是可以成功发送的。以下是相关代码：

wx.notifyBLECharacteristicValueChange({

deviceId: that.data.connectedDeviceId,

serviceId: that.data.serviceId,

characteristicId: that.data.resWifiSettingsCharacterId,

state: true,

success: function(res) {

console.log(res)

},

fail: function(res) {

console.log(res)

},

complete: function(res) {

setTimeout(function() {

wx.writeBLECharacteristicValue({

deviceId: that.data.connectedDeviceId,

serviceId: that.data.serviceId,

characteristicId: that.data.reqWifiSettingsCharacterId,

value: utils.hexToArraybuffer(1),

success: function (res) {

console.log('Send request wifi setting successfully')

},

fail: function (res) {

console.log('Send request wifi setting unsuccessfully')

console.log(res)

}

})

}, 1000)

}

})

调试日志如下：

可以看到打开监听成功了，然后延时1秒写数据，返回了失败。有谁能帮忙看一下的，万分感谢！！！