Did you get it fixed for the failure of Voice recognition when there's no wifi connected?

I have my tic watch 2 paired with my LGG5 running Android 7.0. All functions including notification push work fine. But I find the voice command or voice input never work if my mobile is not connected with a wifi. When I slide for voice command or try to do voice input to reply a message, it shows "...

I have my tic watch 2 paired and connected with my LG G5 which is running Android 7.0. I can get all notification properly but never get a chance to use the voice command or input. It turns out that as long as my phone has connected to a wifi, then I can use the voice input or command flawlessly. On...