方法1：vue.js devtolls插件下载

https://blog.csdn.net/qq_55640378/article/details/131553642

下载地址： Tags · vuejs/devtools · GitHub

npm install 或是 cnpm install 遇到的报错

设置淘宝镜像源（推荐使用nrm，这一步是为了保证其他依赖不报错

npm install -g nrm nrm use taobao

文件下载到移动硬盘中cnpm intall 报错

cnpm intall Error: EISDIR: illegal operation on a directory, symlink

cnpm install 安装依赖的时候出现错误_余人于RenYu的博客-CSDN博客

查看盘符属性（移动硬盘）为FAT

查看F盘属性为NTFS:文件拷贝到F盘

执行 cnpm install ,未见报错

执行 npm run build .报错

扩展Chrome插件
打开Chrome浏览器–>选择更多工具–>扩展程序–>打开开发者模式,点击“加载已解压的扩展程序”,选择F:\javaproject\vue_prj\vue浏览器插件\devtools-6.5.0\packages\shell-chrome放入。如果看不到“加载已解压的扩展程序…”按钮，先勾选“开发者模式” 出现报错

无法为内容脚本加载 JavaScript“build/hook.js”。无法加载清单。

2021-11-05 -mac安装vue-devtools_张裕解百纳的博客-CSDN博客

问题解决：

修改\devtools-6.5.0\packages\shell-chrome、manifest.json 其中 build 替换为src

 "48": "icons/48-gray.png",
      "128": "icons/128-gray.png"
    },
    "default_title": "Vue Devtools",
    "default_popup": "popups/not-found.html"
  },
  "web_accessible_resources": [
    "devtools.html",
    "devtools-background.html",
    "build/backend.js"
  ],
  "devtools_page": "devtools-background.html",
  "background": {
    "scripts": [
      "build/background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "<all_urls>",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "build/hook.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "build/detector.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}

替换后：

{
  "name": "Vue.js devtools",
  "version": "6.5.0",
  "version_name": "6.5.0",
  "description": "Browser DevTools extension for debugging Vue.js applications.",
  "manifest_version": 2,
  "icons": {
    "16": "icons/16.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/16-gray.png",
      "48": "icons/48-gray.png",
      "128": "icons/128-gray.png"
    },
    "default_title": "Vue Devtools",
    "default_popup": "popups/not-found.html"
  },
  "web_accessible_resources": [
    "devtools.html",
    "devtools-background.html",
    "srcbackend.js"
  ],
  "devtools_page": "devtools-background.html",
  "background": {
    "scripts": [
      "src/background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "<all_urls>",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/hook.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/detector.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}

浏览器拓展程序再次导入成功

方法2： beta 版本安装

https://blog.csdn.net/visibleforest/article/details/121097964?utm_medium=distribute.pc_relevant.none-task-blog-2~default~baidujs_baidulandingword~default-0-121097964-blog-112477966.235^v38^pc_relevant_default_base3&spm=1001.2101.3001.4242.1&utm_relevant_index=3

下载地址： Releases · vuejs/devtools · GitHub

选择 release 版本找到 beta的

1、在官网https://github.com/vuejs/vue-devtools，下载vuejs_devtools_beta-6.0.0.7-an+fx.xpi文件，安装谷歌版的

（1）进入官网，找到右侧圈起来的地方，点击Releases，查看所有版本

下载 xpi ,修改后置为rar 解压，浏览器调整程序导入：

选择页面显示vue 插件

F12 显示vue:

问题： vue 不显示调试和数据

参考：安装了VueDevtools插件但在控制台不显示Vue的解决方案 - 灰信网（软件开发博客聚合）

解决方法: F:\javaproject\vue_prj\vue-demo2\src\main.js 添加： Vue.config.devtools = true;

// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
import App from './App'
import router from './router'
import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'
Vue.config.productionTip = false
Vue.use(ElementUI);
Vue.config.devtools = true;// 添加这一行
/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  components: { App },
  template: '<App/>'
})

再次试试：