King Q4 Cover Switch
**What issue do you have? Please be as thorough and explicit as possible.**

When I try to open my blinds with Homekit, it does not work and the following log is displayed in the console:
[9/21/2020, 9:44:36 PM] [eWeLink] [Volet Salon ] could not be updated as TypeError: Cannot read property '0' of undefined.
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**Details of your setup.**
Do you use Homebridge or HOOBS?

Homebridge 
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Which version of Homebridge/HOOBS do you have?
 V 1.2.3
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Which version of this plugin (homebridge-ewelink) do you have?
V 2.27.2
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**Please paste any relevant logs below. It helps if you can turn `debug` and `debugReqRes` in the package settings for more thorough logging.**
> If you are posting an error then it is helpful for me to also see the previous few lines as this can show the cause of the error.
[9/21/2020, 9:44:36 PM] [TuyaWebPlatform] [Guirlandes Arrière ] - Resolving resolveDeviceStateRequest from remote
[9/21/2020, 9:44:36 PM] [TuyaWebPlatform] [Guirlandes Arrière ] Characteristic.On - [GET] true
[9/21/2020, 9:44:36 PM] [eWeLink] [Volet Salon ] could not be updated as TypeError: Cannot read property '0' of undefined.
[9/21/2020, 9:44:38 PM] [TuyaWebPlatform] [Guirlande Gauche] - Requesting device state
[9/21/2020, 9:44:38 PM] [TuyaWebPlatform] [Guirlande Gauche] - Creating new debounced promise
[9/21/2020, 9:44:38 PM] [TuyaWebPlatform] [Guirlande Gauche] - Triggering debouncedDeviceStateRequest
[9/21/2020, 9:44:38 PM] [TuyaWebPlatform] [Guirlandes Arrière ] - Requesting device state
...
