manifest.json

{
  "name": "browser_plugin_template",
  "author": "siwu.wsw@gmail.com",
  "description": "description",
  "version": "0.0.1",
  "icons": {
    "16": "./assets/favicon.png",
    "48": "./assets/favicon.png",
    "128": "./assets/favicon.png"
  },
  "manifest_version": 3,
  "permissions": [
    "tabs",
    "storage",
    "declarativeContent",
    "activeTab",
    "scripting",
    "downloads",
    "downloads.shelf",
    "downloads.open"
  ],
  "host_permissions": [
    "https://www.google.com/",
    "http://www.google.com/",
    "https://www.zhihu.com/",
    "http://www.zhihu.com/"
  ],
  "action": {
    "default_popup": "dest/popup.html",
    "default_icon": "assets/favicon.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "manifest.json"
      ],
      "matches": [
        "https://www.google.com/*",
        "https://www.zhihu.com/*"
      ]
    }
  ],
  "update_url": "https://xx/plugin-update-info.xml"
}