When installing the extension plug-in using npm install, the system prompts "npm install Error: ENOENT, stat 'C:Users<username>AppDataRoamingnpm'".
The installation process was smooth before, and this did not happen. My solution here is to directly create the directory mentioned above. It should be that node.js permissions are not enough, so here is a note.
Sometimes it is like this. It is very likely that a problem that cannot be solved for a long time. The actual solution is very simple, and it is so willful! !