Problem with Huawei Mate 9 lite and charger dock stand.

I've just got a new new charger dock stand, and my plan was to use it as an easy way to connect my phone (Huawei Mate 9 lite) to the PC. However, everytime I connect my phone, its screen block showing a different wallpaper and the ****, without being able to use the phone till I disconnect it. I try using another phone or tablet and there is no problem at all. Also I try my Huawei with a simple usb cable and it works perfect. What can I do?

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