一个不知名的错误

按照“快速上手”，我已经完成前面的步骤，但是执行yarn dev时，就抛出这样的错误。

Error: Cannot find module '@vuepress/shared-utils' Require stack:

E:\Github\my-site\node_modules\@vuepress\plugin-medium-zoom\index.js
E:\Github\my-site\node_modules\@vuepress\core\lib\app\resolvePlugin.js
E:\Github\my-site\node_modules\@vuepress\core\lib\app\normalizePlugin.js
E:\Github\my-site\node_modules\@vuepress\core\lib\app\appUse.js
E:\Github\my-site\node_modules\@vuepress\core\lib\app\index.js
E:\Github\my-site\node_modules\@vuepress\core\lib\index.js
E:\Github\my-site\node_modules\@vuepress\cli\lib\commands\build\build.js
E:\Github\my-site\node_modules\@vuepress\cli\lib\commands\build\index.js
E:\Github\my-site\node_modules\@vuepress\cli\lib\commands\index.js
E:\Github\my-site\node_modules\@vuepress\cli\lib\index.js
E:\Github\my-site\node_modules\@vuepress\cli\bin\vuepress.js
E:\Github\my-site\node_modules\vuepress\bin\vuepress.js at Function.Module._resolveFilename (internal/modules/cjs/loader.js:880:15) at Function.Module._load (internal/modules/cjs/loader.js:725:27) at Module.require (internal/modules/cjs/loader.js:952:19) at require (internal/modules/cjs/helpers.js:88:18) at Object. (E:\Github\my-site\node_modules\@vuepress\plugin-medium-zoom\index.js:1:18) at Module._compile (internal/modules/cjs/loader.js:1063:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10) at Module.load (internal/modules/cjs/loader.js:928:32) at Function.Module._load (internal/modules/cjs/loader.js:769:14) at Module.require (internal/modules/cjs/loader.js:952:19) error Command failed with exit code 1.

ulivz / vuepress-plugin-yuque