Javascript 运行PM2启动后，无法从浏览器打开应用程序。PM2日志显示模块未找到异常

应用程序在

npm start

下运行正常。之后，我使用

npm start build

构建应用程序，然后使用

PM2 start

当我打开浏览器时，得到“页面无法显示”和一个错误日志，如下所示。有人能给我指出正确的方向吗

0|ezyatten |     at getPublicUrl (/home/ubuntu/ezyattend/front/node_modules/react-scripts/config/paths.js:34:19)
0|ezyatten |     at Object.<anonymous> (/home/ubuntu/ezyattend/front/node_modules/react-scripts/config/paths.js:91:14)
0|ezyatten |     at Module._compile (internal/modules/cjs/loader.js:1015:30)
0|ezyatten |     at Object.Module._extensions..js (internal/modules/cjs/loader.js:1035:10)
0|ezyatten |     at Module.load (internal/modules/cjs/loader.js:879:32)
0|ezyatten |     at Function.Module._load (internal/modules/cjs/loader.js:724:14)
0|ezyatten |     at Module.require (internal/modules/cjs/loader.js:903:19) {
0|ezyatten |   code: 'MODULE_NOT_FOUND',
0|ezyatten |   requireStack: [
0|ezyatten |     '/home/ubuntu/ezyattend/front/node_modules/react-scripts/config/paths.js',
0|ezyatten |     '/home/ubuntu/ezyattend/front/node_modules/react-scripts/config/env.js',
0|ezyatten |     '/home/ubuntu/ezyattend/front/node_modules/react-scripts/scripts/start.js'
0|ezyatten |   ]
0|ezyatten | }```

getPublicUrl（/home/ubuntu/ezyatten/front/node_modules/react scripts/config/path.js:34:19）上的

0 | ezyatten |
0 | ezyatten | at对象。（/home/ubuntu/ezyattend/front/node_modules/react scripts/config/path.js:91:14）
0 | ezyatten | at Module._编译（internal/modules/cjs/loader.js:1015:30）
0 | ezyatten | at Object.Module._extensions..js（internal/modules/cjs/loader.js:1035:10）
0 | ezyatten | at Module.load（内部/modules/cjs/loader.js:879:32）
0 | ezyatten | at Function.Module._load（内部/modules/cjs/loader.js:724:14）
0 | ezyatten | at Module.require（内部/modules/cjs/loader.js:903:19）{
0 | ezyatten |代码：“未找到模块”，
0 | ezyatten | requireStack:[
0 | ezyatten |'/home/ubuntu/ezyatten/front/node_modules/react scripts/config/path.js'，
0 | ezyatten |'/home/ubuntu/ezyatten/front/node_modules/react scripts/config/env.js'，
0 | ezyatten |'/home/ubuntu/ezyatten/front/node_modules/react scripts/scripts/start.js'
0 | ezyatten |]
0 | ezyatten |}```