diff --git a/config-overrides.js b/config-overrides.js
index 11475de..32b3bd9 100644
--- a/config-overrides.js
+++ b/config-overrides.js
@@ -109,7 +109,7 @@ const userscriptWebpack = (config, env) => {
   };
 
   config.output.filename = "[name].js";
-  config.output.publicPath = "./";
+  config.output.publicPath = env === "production" ? "./" : "/";
   config.optimization.splitChunks = { cacheGroups: { default: false } };
   config.optimization.runtimeChunk = false;
   config.optimization.minimize = false;
diff --git a/package.json b/package.json
index 638eb65..1c08e9e 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
   },
   "scripts": {
     "start": "REACT_APP_CLIENT=web react-app-rewired start",
+    "start:userscript": "REACT_APP_CLIENT=userscript react-app-rewired start",
     "build": "rm -rf build/chrome && BUILD_PATH=./build/chrome REACT_APP_CLIENT=chrome react-app-rewired build",
     "build:edge": "rm -rf build/edge && cp -r build/chrome build/edge",
     "build:firefox": "rm -rf build/firefox && cp -r build/chrome build/firefox && cat ./build/firefox/manifest.firefox.json > ./build/firefox/manifest.json",
diff --git a/src/libs/utils.js b/src/libs/utils.js
index 8dcd92f..0cce146 100644
--- a/src/libs/utils.js
+++ b/src/libs/utils.js
@@ -27,3 +27,11 @@ export const matchValue = (arr, val) => {
   }
   return arr[0];
 };
+
+/**
+ * 等待
+ * @param {*} delay
+ * @returns
+ */
+export const sleep = (delay) =>
+  new Promise((resolve) => setTimeout(resolve, delay));
diff --git a/src/userscript.js b/src/userscript.js
index 89044bc..8136a51 100644
--- a/src/userscript.js
+++ b/src/userscript.js
@@ -1,6 +1,5 @@
 import React from "react";
 import ReactDOM from "react-dom/client";
-import Options from "./views/Options";
 import Action from "./views/Action";
 import createCache from "@emotion/cache";
 import { CacheProvider } from "@emotion/react";
@@ -20,12 +19,11 @@ import { Translator } from "./libs/translator";
     document.location.href.includes(process.env.REACT_APP_OPTIONSPAGE) ||
     document.location.href.includes(process.env.REACT_APP_OPTIONSPAGE2)
   ) {
-    const root = ReactDOM.createRoot(document.getElementById("root"));
-    root.render(
-      <React.StrictMode>
-        <Options />
-      </React.StrictMode>
-    );
+    window.unsafeWindow.GM = window.GM;
+    window.unsafeWindow.GM_xmlhttpRequest = window.GM_xmlhttpRequest;
+    window.unsafeWindow.GM_setValue = window.GM_setValue;
+    window.unsafeWindow.GM_getValue = window.GM_getValue;
+    window.unsafeWindow.GM_deleteValue = window.GM_deleteValue;
     return;
   }
 
diff --git a/src/views/Options/index.js b/src/views/Options/index.js
index 2f43b5c..cc86bed 100644
--- a/src/views/Options/index.js
+++ b/src/views/Options/index.js
@@ -6,8 +6,59 @@ import Layout from "./Layout";
 import SyncSetting from "./SyncSetting";
 import { StoragesProvider } from "../../hooks/Storage";
 import ThemeProvider from "../../hooks/Theme";
+import { useEffect, useState } from "react";
+import { isGm } from "../../libs/browser";
+import { sleep } from "../../libs/utils";
 
 export default function Options() {
+  const [error, setError] = useState(false);
+  const [ready, setReady] = useState(false);
+
+  useEffect(() => {
+    if (!isGm) {
+      return;
+    }
+
+    (async () => {
+      let i = 0;
+      for (;;) {
+        await sleep(1000);
+        if (window.GM) {
+          setReady(true);
+          break;
+        }
+
+        if (++i > 8) {
+          setError(true);
+          break;
+        }
+      }
+    })();
+  }, []);
+
+  if (error) {
+    return (
+      <center>
+        <h2>
+          Please confirm whether to install or enable{" "}
+          <a href={process.env.REACT_APP_OPTIONSPAGE}>KISS Translator</a>{" "}
+          GreaseMonkey script?
+        </h2>
+        <h2>
+          or <a href={process.env.REACT_APP_HOMEPAGE}>click here</a> for help
+        </h2>
+      </center>
+    );
+  }
+
+  if (isGm && !ready) {
+    return (
+      <center>
+        <h2>loading...</h2>
+      </center>
+    );
+  }
+
   return (
     <StoragesProvider>
       <ThemeProvider>
diff --git a/src/views/Popup/index.js b/src/views/Popup/index.js
index 8e00725..5e4ae5e 100644
--- a/src/views/Popup/index.js
+++ b/src/views/Popup/index.js
@@ -21,7 +21,7 @@ import {
 
 export default function Popup({ setShowPopup, translator: tran }) {
   const i18n = useI18n();
-  const [rule, setRule] = useState(tran.rule);
+  const [rule, setRule] = useState(tran?.rule);
 
   const handleOpenSetting = () => {
     if (isExt) {