content script in iframe

public/manifest.firefox.json

@@ -12,7 +12,8 @@
   "content_scripts": [
     {
       "js": ["content.js"],
-      "matches": ["<all_urls>"]
+      "matches": ["<all_urls>"],
+      "all_frames": true
     }
   ],
   "commands": {

public/manifest.json

@@ -13,7 +13,8 @@
   "content_scripts": [
     {
       "js": ["content.js"],
-      "matches": ["<all_urls>"]
+      "matches": ["<all_urls>"],
+      "all_frames": true
     }
   ],
   "commands": {

src/content.js

@@ -7,14 +7,16 @@ import {
 } from "./config";
 import { getSetting, getRules, matchRule } from "./libs";
 import { Translator } from "./libs/translator";
+import { isIframe } from "./libs/iframe";
 
 /**
  * 入口函数
  */
 (async () => {
+  const href = isIframe ? document.referrer : document.location.href;
   const setting = await getSetting();
   const rules = await getRules();
-  const rule = await matchRule(rules, document.location.href, setting);
+  const rule = await matchRule(rules, href, setting);
   const translator = new Translator(rule, setting);
 
   // 监听消息