小编Eze*_*ate的帖子

我正在做一个 PWA 应用程序，它运行良好（通过了 Chorme 的所有审核），但是当我想在离线模式下尝试它时。出现 504 TIMEOUT 错误。DevsTools(Chorme) 显示“获取脚本时发生未知错误，无法加载资源：net::ERR_INTERNET_DISCONNECTED”，并且当应用程序尝试获取“ngsw.json?ngsw-cache-bust=0.30493506524068925”时，网络切片显示失败”

这是我的包裹：

{
  "name": "avl",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "^7.2.8",
    "@angular/cdk": "^7.3.4",
    "@angular/common": "~7.2.0",
    "@angular/compiler": "~7.2.0",
    "@angular/core": "~7.2.0",
    "@angular/flex-layout": "^7.0.0-beta.24",
    "@angular/forms": "~7.2.0",
    "@angular/http": "^7.2.8",
    "@angular/material": "^7.3.4",
    "@angular/platform-browser": "~7.2.0",
    "@angular/platform-browser-dynamic": "~7.2.0",
    "@angular/pwa": "^0.13.8",
    "@angular/router": "~7.2.0",
    "@angular/service-worker": "^7.2.13",
    "@mapbox/leaflet-pip": "^1.1.0",
    "@types/fontfaceobserver": "^0.0.6",
    "@types/leaflet": "^1.4.3",
    "@types/pixi.js": "4.7.2",
    "cerialize": "^0.1.18",
    "core-js": "^2.5.4",
    "fontfaceobserver": …