我尝试在我的digital ocean droplet上运行我的express服务器。我已经运行了npm install，但是当我运行npm run startServer时，我得到了错误：

Error [ERR_MODULE_NOT_FOUND]: Cannot find package '/root/ti4-automation/node_modules/apollo-server-express/' imported from /root/ti4-automation/server/index.js
    at new NodeError (node:internal/errors:387:5)
    at legacyMainResolve (node:internal/modules/esm/resolve:316:9)
    at packageResolve (node:internal/modules/esm/resolve:896:14)
    at moduleResolve (node:internal/modules/esm/resolve:958:20)
    at defaultResolve (node:internal/modules/esm/resolve:1173:11)
    at nextResolve (node:internal/modules/esm/loader:173:28)
    at ESMLoader.resolve (node:internal/modules/esm/loader:852:30)
    at ESMLoader.getModuleJob (node:internal/modules/esm/loader:439:18)
    at ModuleWrap.<anonymous> (node:internal/modules/esm/module_job:76:40)
    at link (node:internal/modules/esm/module_job:75:36) {
  code: 'ERR_MODULE_NOT_FOUND'
}

我的startServer脚本执行"startServer": "nodemon ./server/index.js",
我的index.js有

import { ApolloServer } from 'apollo-server-express'

在我的package.json中，我确实有
x1米6英寸x1米7英寸
当我导航到文件夹/root/ti4-automation/node_modules/apollo-server-express/时，我可以看到它在那里。
我还运行了以下代码：
x一米九氮一x〉x一米十氮一x
但是错误仍然存在。本地一切都按预期工作。