diff --git a/config-overrides.js b/config-overrides.js
index 4c5ac36..b74b5b4 100644
--- a/config-overrides.js
+++ b/config-overrides.js
@@ -91,6 +91,7 @@ const userscriptWebpack = (config, env) => {
 // @grant         GM.getValue
 // @grant         GM.deleteValue
 // @grant         GM.info
+// @grant         GM.addElement
 // @grant         unsafeWindow
 // @connect       translate.googleapis.com
 // @connect       translate-pa.googleapis.com
@@ -106,6 +107,7 @@ const userscriptWebpack = (config, env) => {
 // @connect       openai.azure.com
 // @connect       workers.dev
 // @connect       github.io
+// @connect       github.com
 // @connect       githubusercontent.com
 // @connect       kiss-translator.rayjar.com
 // @connect       ghproxy.com
diff --git a/src/common.js b/src/common.js
index f702a01..568d39f 100644
--- a/src/common.js
+++ b/src/common.js
@@ -216,7 +216,7 @@ export async function run(isUserscript = false) {
     }
 
     // 字幕翻译
-    runSubtitle({ href, setting, rule });
+    runSubtitle({ href, setting, rule, isUserscript });
 
     // 监听消息
     // !isUserscript && runtimeListener(translator);
diff --git a/src/hooks/Setting.js b/src/hooks/Setting.js
index 6d50050..cfcdb81 100644
--- a/src/hooks/Setting.js
+++ b/src/hooks/Setting.js
@@ -17,6 +17,7 @@ import { debounceSyncMeta } from "../libs/storage";
 import Loading from "./Loading";
 import { logger } from "../libs/log";
 import { sendBgMsg } from "../libs/msg";
+import { isExt } from "../libs/client";
 
 const SettingContext = createContext({
   setting: DEFAULT_SETTING,
@@ -36,7 +37,9 @@ export function SettingProvider({ children }) {
     (async () => {
       try {
         logger.setLevel(setting?.logLevel);
-        await sendBgMsg(MSG_SET_LOGLEVEL, setting?.logLevel);
+        if (isExt) {
+          await sendBgMsg(MSG_SET_LOGLEVEL, setting?.logLevel);
+        }
       } catch (error) {
         logger.error("Failed to fetch log level, using default.", error);
       }
diff --git a/src/injector.js b/src/injector.js
index 1963d72..b4a69b7 100644
--- a/src/injector.js
+++ b/src/injector.js
@@ -1,5 +1,3 @@
-import { MSG_XHR_DATA_YOUTUBE } from "./config";
-
 (function () {
   const originalOpen = XMLHttpRequest.prototype.open;
   XMLHttpRequest.prototype.open = function (...args) {
@@ -8,7 +6,7 @@ import { MSG_XHR_DATA_YOUTUBE } from "./config";
       this.addEventListener("load", function () {
         window.postMessage(
           {
-            type: MSG_XHR_DATA_YOUTUBE,
+            type: "KISS_XHR_DATA_YOUTUBE",
             url: this.responseURL,
             response: this.responseText,
           },
diff --git a/src/subtitle/subtitle.js b/src/subtitle/subtitle.js
index b5a79a5..78d0589 100644
--- a/src/subtitle/subtitle.js
+++ b/src/subtitle/subtitle.js
@@ -10,7 +10,7 @@ const providers = [
   { pattern: "https://www.youtube.com", start: YouTubeInitializer },
 ];
 
-export function runSubtitle({ href, setting }) {
+export function runSubtitle({ href, setting, isUserscript }) {
   try {
     const subtitleSetting = setting.subtitleSetting || DEFAULT_SUBTITLE_SETTING;
     if (!subtitleSetting.enabled) {
@@ -19,9 +19,21 @@ export function runSubtitle({ href, setting }) {
 
     const provider = providers.find((item) => isMatch(href, item.pattern));
     if (provider) {
-      const id = "kiss-translator-injector";
-      const src = browser.runtime.getURL("injector.js");
-      injectExternalJs(src, id);
+      if (isUserscript) {
+        GM.addElement("script", {
+          src: "https://github.com/fishjar/kiss-translator/blob/gh-pages/injector.js",
+          // src: "http://127.0.0.1:8000/injector.js",
+          type: "text/javascript",
+        }).onload = function () {
+          console.log(
+            "Script successfully injected and loaded via GM_addElement."
+          );
+        };
+      } else {
+        const id = "kiss-translator-injector";
+        const src = browser.runtime.getURL("injector.js");
+        injectExternalJs(src, id);
+      }
 
       const apiSetting =
         setting.transApis.find(