NPM download speed is slow

Today in the company in NPM Down dependence (npm install)
, It's too slow to find out , as a result of NPM All my bags are abroad . There are some solutions on the Internet , For example, Download dependent packages from the sources of China University of science and technology （npm --registry http://npmreg.mirrors.ustc.edu.cn install <packagename>）, It's still slow. . Replaced by Taobao (npm config set registry https://registry.npm.taobao.org), But our company has banned the use of Taobao URL The interview of . Finally, switch back to the default source （npm config set registryhttps://registry.npmjs.org）. Then try to rely on foreign agents, which is much faster （

set http_proxy=http://127.0.0.1:xxx set https_proxy=http://127.0.0.1:xxx
）. A colleague asked me to try yarn Down dependence , I didn't try this method because of the speed .