运行报错

[shecong]

PS E:\my\InitiationTest\vue2-elm-master\vue2-elm-master> npm run dev

elm@2.0.1 dev cross-env NODE_ENV=online node build/dev-server.js

node:internal/modules/cjs/loader:959 throw err; ^

Error: Cannot find module 'express' Require stack:

• E:\my\InitiationTest\vue2-elm-master\vue2-elm-master\build\dev-server.js at Function.Module._resolveFilename (node:internal/modules/cjs/loader:956:15) at Function.Module._load (node:internal/modules/cjs/loader:804:27) at Module.require (node:internal/modules/cjs/loader:1028:19) at require (node:internal/modules/cjs/helpers:102:18) at Object. (E:\my\InitiationTest\vue2-elm-master\vue2-elm-master\build\dev-server.js:4:15) at Module._compile (node:internal/modules/cjs/loader:1126:14) at Object.Module._extensions..js (node:internal/modules/cjs/loader:1180:10) at Module.load (node:internal/modules/cjs/loader:1004:32) at Function.Module._load (node:internal/modules/cjs/loader:839:12) at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12) { code: 'MODULE_NOT_FOUND', requireStack: [ 'E:\my\InitiationTest\vue2-elm-master\vue2-elm-master\build\dev-server.js' ] }

[chenyang48671155]

没有express模块

[sumcater]

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