VS2019 extension source download failed

Project scenario:

VS2019

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Problem Description:

If you want to debug a Qt project with VS, you need to download the Qt extension tool.
But! ! ! ! The download progress has not been moving. I tried several times and it was the same. I wondered if I could change the extension source. After searching for a while, I couldn’t find it. Finally, I remembered where I saw it. The wired connection is not available. Just change the hotspot of the mobile phone.

problem solved! ! ! !

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solution:

Connect your computer to the hotspot on your phone.