调试时使用 VS Code 与webStrom 结果不一致

Question

Express 简单的博客
跟上述教程做一个简单的博客网站，但到链接MongoDB数据库过程中，发现一个难题，使用webStrom 不会报错，而vsCode 调试不通过报下面错误：
*

发生异常: Error Error: ENOTDIR: not a directory, stat
'/Users/QFYY/WebstormProjects/Node_Express_study/microblo/node_modules/require_optional/index.js/package.json'

at fs.existsSync (fs.js:329:13)
at find_package_json (/Users/QFYY/WebstormProjects/Node_Express_study/microblo/node_modules/require_optional/index.js:14:9)
at find_package_json_with_name (/Users/QFYY/WebstormProjects/Node_Express_study/microblo/node_modules/require_optional/index.js:34:20)
at require_optional (/Users/QFYY/WebstormProjects/Node_Express_study/microblo/node_modules/require_optional/index.js:69:13)
at Object.<anonymous> (/Users/QFYY/WebstormProjects/Node_Express_study/microblo/node_modules/mongodb-core/index.js:6:20)
at Module._compile (module.js:635:30)
at Object.Module._extensions..js (module.js:646:10)
at Module.load (module.js:554:32)
at tryModuleLoad (module.js:497:12)
at Function.Module._load (module.js:489:3)

这究竟是什么原因