具体问题如下：

npm ERR! code ERESOLVE

npm ERR! ERESOLVE unable to resolve dependency tree

npm ERR!

npm ERR! While resolving: XXX@3.4.0

npm ERR! Found: webpack@5.31.2

npm ERR! node_modules/webpack

npm ERR! peer webpack@”^4.0.0 || ^5.0.0″ from html-webpack-plugin@4.5.2

npm ERR! node_modules/html-webpack-plugin

npm ERR! peer html-webpack-plugin@”^3.0.0 || ^4.0.0″ from script-ext-html-webpack-plugin@2.1.5

npm ERR! node_modules/script-ext-html-webpack-plugin

npm ERR! dev script-ext-html-webpack-plugin@”2.1.5″ from the root project

npm ERR!

npm ERR! Could not resolve dependency:

npm ERR! peer webpack@”^1.0.0 || ^2.0.0 || ^3.0.0 || ^4.0.0″ from script-ext-html-webpack-plugin@2.1.5

npm ERR! node_modules/script-ext-html-webpack-plugin

npm ERR! dev script-ext-html-webpack-plugin@”2.1.5″ from the root project

npm ERR!

npm ERR! Fix the upstream dependency conflict, or retry

npm ERR! this command with –force, or –legacy-peer-deps

npm ERR! to accept an incorrect (and potentially broken) dependency resolution.

npm ERR!

npm ERR! See F:\Program Files\nodejs\node_cache\eresolve-report.txt for a full report.

npm ERR! A complete log of this run can be found in:

npm ERR! F:\Program Files\nodejs\node_cache_logs\2021-04-10T05_40_57_043Z-debug.log

问题分析：npm 版本太高了。

问题解决：

npm install npm@6.14.10 -g