Because multiple versions are installed, the space is not enough to uninstall, and a new version is installed. After a long time, I was pitted again.
(qtproject).vcxproj.user configuration is the previous path. Replace the corresponding qt dir path and it's OK. It keeps compiling
In addition, I installed
vsaddin 2.4.1 but it is automatically updated to the latest. The plug-in has been initialized. Tick off the automatic update, stability can be used first
Otherwise it will be updated to the latest... If it is still updated automatically