之前装过这些，但因为别的原因，把AppData下相关文件和用户的注册文件删了重装，结果这次安装失败。
先是卡在**fetchmetadata:sill resolvewithnewmodule typescript**不动，然后取消了两次后，
配置了阿里镜像：npm config set registry https://registry.npm.taobao.org，然后再执行就报错误，说仅支持https。
这是dos界面提示
cnpm模块的package.json文件：
debug文件：
0 info it worked if it ends with ok
1 verbose cli [
1 verbose cli 'D:\\work softs\\web_html\\nodejs\\node.exe',
1 verbose cli 'D:\\work softs\\web_html\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli 'install',
1 verbose cli '@vue/cli',
1 verbose cli '-g'
1 verbose cli ]
2 info using npm@6.10.3
3 info using node@v12.10.0
4 verbose npm-session 599580d47326bd14
5 silly install loadCurrentTree
6 silly install readGlobalPackageData
7 silly fetchPackageMetaData error for @vue/cli@latest Only HTTP(S) protocols are supported
8 timing stage:rollbackFailedOptional Completed in 1ms
9 timing stage:runTopLevelLifecycles Completed in 27ms
10 verbose stack TypeError: Only HTTP(S) protocols are supported
10 verbose stack at getNodeRequestOptions (D:\work softs\web_html\nodejs\node_modules\npm\node_modules\node-fetch-npm\src\request.js:135:11)
10 verbose stack at D:\work softs\web_html\nodejs\node_modules\npm\node_modules\node-fetch-npm\src\index.js:44:21
10 verbose stack at new Promise (<anonymous>)
10 verbose stack at fetch (D:\work softs\web_html\nodejs\node_modules\npm\node_modules\node-fetch-npm\src\index.js:41:10)
10 verbose stack at D:\work softs\web_html\nodejs\node_modules\npm\node_modules\make-fetch-happen\index.js:332:14
10 verbose stack at D:\work softs\web_html\nodejs\node_modules\npm\node_modules\promise-retry\index.js:29:24
11 verbose cwd C:\Users\86180
12 verbose Windows_NT 10.0.18362
13 verbose argv "D:\\work softs\\web_html\\nodejs\\node.exe" "D:\\work softs\\web_html\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "@vue/cli" "-g"
14 verbose node v12.10.0
15 verbose npm v6.10.3
16 error Only HTTP(S) protocols are supported
17 verbose exit [ 1, true ]
