diff --git a/README.md b/README.md
index 2b793bd..482b0f4 100644
--- a/README.md
+++ b/README.md
@@ -34,10 +34,19 @@ app
   .use(VueRecaptcha, {
     siteKey: "your recaptcha sitekey",
     componentName: "your custom componet name", // default: 'vue-recaptcha'
+    alterDomain: false, // default: false
   })
   .mount("#app");
 ```
 
+### \*install options
+
+| Option          | Type      | Description                                                                           |
+| --------------- | --------- | ------------------------------------------------------------------------------------- |
+| `siteKey`       | `string`  | (required) recaptcha siteKey                                                          |
+| `componentName` | `string`  | If you want to use custom component name, use this option. (default: `vue-recaptcha`) |
+| `alterDomain`   | `boolean` | `true`: domain replace `www.google.com` with `www.recaptch.net`                       |
+
 ### Composition API
 
 ```html
diff --git a/playground/utils/recaptcha.ts b/playground/utils/recaptcha.ts
index 5d4120b..7ab65a1 100644
--- a/playground/utils/recaptcha.ts
+++ b/playground/utils/recaptcha.ts
@@ -7,5 +7,5 @@ import VueRecaptcha from "../../dist/vue3-recaptcha-v2";
 import siteKey from "../config";
 
 export default function install(app: App<Element>) {
-  app.use(VueRecaptcha, { siteKey: siteKey });
+  app.use(VueRecaptcha, { siteKey: siteKey, alternativeDomain: true });
 }
diff --git a/src/config/install.ts b/src/config/install.ts
index 4e7f27e..7987845 100644
--- a/src/config/install.ts
+++ b/src/config/install.ts
@@ -6,18 +6,18 @@ import { state } from "./state";
 const ERROR_MSG_SITEKEY = "options must be included siteKey";
 
 export function install(app: App<Element>, options: options) {
-  const componentName = options.componentName
-    ? options.componentName
-    : "vue-recaptcha";
-
   if (!options.siteKey) throw new Error(ERROR_MSG_SITEKEY);
-  _script();
+  _script(options);
 
   state.siteKey = options.siteKey;
-  app.component(componentName, VueRecaptcha);
+  app.component(
+    options.componentName ? options.componentName : "vue-recaptcha",
+    VueRecaptcha
+  );
 }
 
-function _script() {
+function _script(options: options) {
+  const domain = options.alterDomain ? "www.recaptcha.net" : "www.google.com";
   const isExist = document.getElementById("vue3-recaptcha-v2");
   if (isExist) return;
 
@@ -25,7 +25,7 @@ function _script() {
   script.setAttribute("id", "vue3-recaptcha-v2");
   script.setAttribute(
     "src",
-    "https://www.google.com/recaptcha/api.js?render=explicit"
+    `https://${domain}/recaptcha/api.js?render=explicit`
   );
   script.setAttribute("async", "");
   script.setAttribute("defer", "");
diff --git a/src/types/index.ts b/src/types/index.ts
index 4b39181..1f2a15c 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -4,6 +4,7 @@
 export interface options {
   siteKey: string;
   componentName?: string;
+  alterDomain?: boolean;
 }
 
 /**