提示："requestSubscribeDeviceMessage:fail parameter error: parameter.deviceId should be String instead of Undefined;parameter.deviceTicket should be String instead of Undefined;"
也没有错误码，这是啥原因
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- wx.requestSubscribeDeviceMessage: 小程序/开发/API/开放接口/订阅消息/wx.requestSubscribeDeviceMessage
- wx.requestSubscribeDeviceMessage#功能描述: 小程序/开发/API/开放接口/订阅消息/wx.requestSubscribeDeviceMessage
- wx.requestSubscribeDeviceMessage#参数: 小程序/开发/API/开放接口/订阅消息/wx.requestSubscribeDeviceMessage
- wx.requestSubscribeDeviceMessage#错误码: 小程序/开发/API/开放接口/订阅消息/wx.requestSubscribeDeviceMessage
- wx.requestSubscribeDeviceMessage#示例代码: 小程序/开发/API/开放接口/订阅消息/wx.requestSubscribeDeviceMessage
不是提示的很明显了吗，deviceId/deviceTicket不能为空