运行vue项目时，报错：94% asset optimization ERROR Failed to compile with 4 errors These dependencies were not

运行vue项目时，报错：94% asset optimization ERROR Failed to compile with 4 errors These dependencies were not found:

一开始按照上面的提示执行：npm install --save命令再执行运行的命令，但是没用。后来把项目中的node_modules文件删掉，重新npm install一遍，再执行运行命令，成功！