Wio link cannot connect server

I use wio link application for iphone.
Server URL is https://us.wio.seeed.io, bat it was bad response.
Please tell me several Server URL.

Ways To Fix Can’t Connect To This Network Windows 10 Error
Method 1: Forget Network
Method 2: Enable/Disable Airplane Mode
Method 3: Uninstall Network Adapter Driver
Method 4: Flush DNS and Renew/Reset IP
Method 5: Reset Network
Method 6: Run Network Troubleshooter
Method 7: Run Network Adapter Troubleshooter
Method 8: Add a Connection Manually
Method 9: Disable IPv6
Method 10: Make Sure Adapter And Windows Are Using Same Security Type
Method 11: Change Wireless Network Mode
Method 12: Disable/Enable NIC
Method 13: Change Channel Width For Your Network Adapter
Method 14: Change Power Options

This may help you,
Rachel Gomez