diff --git a/src/content.js b/src/content.js
index 7aa283e..63e4334 100644
--- a/src/content.js
+++ b/src/content.js
@@ -17,7 +17,7 @@ import {
   getFabWithDefault,
 } from "./libs/storage";
 import { Translator } from "./libs/translator";
-import { isIframe, sendIframeMsg, sendPrentMsg } from "./libs/iframe";
+import { isIframe, sendIframeMsg, sendParentMsg } from "./libs/iframe";
 import { matchRule } from "./libs/rules";
 import { webfix } from "./libs/webfix";
 
@@ -48,7 +48,7 @@ const init = async () => {
         default:
       }
     });
-    sendPrentMsg(MSG_TRANS_GETRULE);
+    sendParentMsg(MSG_TRANS_GETRULE);
     return;
   }
 
diff --git a/src/libs/iframe.js b/src/libs/iframe.js
index 55108e4..0fa6a08 100644
--- a/src/libs/iframe.js
+++ b/src/libs/iframe.js
@@ -6,6 +6,6 @@ export const sendIframeMsg = (action, args) => {
   });
 };
 
-export const sendPrentMsg = (action, args) => {
+export const sendParentMsg = (action, args) => {
   window.parent.postMessage({ action, args }, "*");
 };
diff --git a/src/userscript.js b/src/userscript.js
index 407b39b..d0794a9 100644
--- a/src/userscript.js
+++ b/src/userscript.js
@@ -17,7 +17,7 @@ import {
   MSG_TRANS_PUTRULE,
   APP_LCNAME,
 } from "./config";
-import { isIframe, sendIframeMsg, sendPrentMsg } from "./libs/iframe";
+import { isIframe, sendIframeMsg, sendParentMsg } from "./libs/iframe";
 import { handlePing, injectScript } from "./libs/gm";
 import { matchRule } from "./libs/rules";
 import { genEventName } from "./libs/utils";
@@ -75,7 +75,7 @@ const init = async () => {
         default:
       }
     });
-    sendPrentMsg(MSG_TRANS_GETRULE);
+    sendParentMsg(MSG_TRANS_GETRULE);
     return;
   }