App在调用uni.getConnectedBluetoothDevices(OBJECT)时，ios系统总是返回失败，安卓表现正常，这是为什么

在使用uniapp开发app中，使用了低功耗蓝牙，安卓在连接了蓝牙模块后通过调用uni.getConnectedBluetoothDevices Api接口能正常拿到数据，但是ios总是返回失败。

Android:
蓝牙设备：{
"deviceId": "60:55:F9:C9:C8:AA",
"name": "BLE",
"RSSI": -45,
"localName": "BLE",
"advertisServiceUUIDs": ["000000FF-0000-1000-8000-00805F9B34FB", "000000FF-0000-1000-8000-00805F9B34FB"],
"status": "offline"
}
服务：{
"services": [{
"uuid": "00001801-0000-1000-8000-00805F9B34FB",
"isPrimary": true
}, {
"uuid": "00001800-0000-1000-8000-00805F9B34FB",
"isPrimary": true
}, {
"uuid": "000000FF-0000-1000-8000-00805F9B34FB",
"isPrimary": true
}],
"errMsg": "getBLEDeviceServices:ok"
}
特征值：[{
"uuid": "0000FF01-0000-1000-8000-00805F9B34FB",
"properties": {
"read": true,
"write": true,
"notify": true,
"indicate": false
}
}, {
"uuid": "0000FF02-0000-1000-8000-00805F9B34FB",
"properties": {
"read": true,
"write": false,
"notify": false,
"indicate": false
}
}, {
"uuid": "0000FF03-0000-1000-8000-00805F9B34FB",
"properties": {
"read": false,
"write": true,
"notify": false,
"indicate": false
}
}]
连接成功后查询已连接设备：{
"devices": [{
"name": "BLE",
"deviceId": "60:55:F9:C9:C8:AA"
}],
"errMsg": "getConnectedBluetoothDevices:ok"
}

ios:
蓝牙设备：{
"RSSI": -70,
"advertisServiceUUIDs": ["000000FF-0000-1000-8000-00805F9B34FB", "000000FF-0000-1000-8000-00805F9B34FB"],
"deviceId": "60D023C2-2278-A605-61B6-9B861FB67FCB",
"localName": "BLE",
"name": "ESP_GATTS_DEMO"
}
服务：{
"services": [{
"isPrimary": true,
"uuid": "000000FF-0000-1000-8000-00805F9B34FB"
}],
"errMsg": "getBLEDeviceServices:ok"
}
特征值：[{
"properties": {
"indicate": false,
"notify": true,
"read": true,
"write": true
},
"uuid": "0000FF01-0000-1000-8000-00805F9B34FB"
}, {
"properties": {
"indicate": false,
"notify": false,
"read": true,
"write": false
},
"uuid": "0000FF02-0000-1000-8000-00805F9B34FB"
}, {
"properties": {
"indicate": false,
"notify": false,
"read": false,
"write": true
},
"uuid": "0000FF03-0000-1000-8000-00805F9B34FB"
}]
连接成功后查询已连接设备：{
"errMsg": "getConnectedBluetoothDevices:fail no device,https://ask.dcloud.net.cn/article/282",
"errCode": 10002,
"code": 10002
}