diff --git a/src/background/keyboardShortcuts.js b/src/background/keyboardShortcuts.js
index b506289..0236fc7 100644
--- a/src/background/keyboardShortcuts.js
+++ b/src/background/keyboardShortcuts.js
@@ -50,10 +50,10 @@ const translateSelectedText = async () => {
 };
 const translatePage = async () => {
   const tab = (await browser.tabs.query({ active: true }))[0];
-  const tabInfo = await browser.tabs.sendMessage(tab.id, { message: "getTabInfo" });
+  const tabUrl = await browser.tabs.sendMessage(tab.id, { message: "getTabUrl" });
 
   const targetLang = getSettings("targetLang");
-  const encodedPageUrl = encodeURIComponent(tabInfo.url);
+  const encodedPageUrl = encodeURIComponent(tabUrl);
   const translationUrl = `https://translate.google.com/translate?hl=${targetLang}&sl=auto&u=${encodedPageUrl}`;
 
   browser.tabs.create({
diff --git a/src/content/components/TranslateContainer.js b/src/content/components/TranslateContainer.js
index ddbd8d9..fe7b65c 100644
--- a/src/content/components/TranslateContainer.js
+++ b/src/content/components/TranslateContainer.js
@@ -101,10 +101,19 @@ export default class TranslateContainer extends Component {
   };
 
   handleMessage = async request => {
+    const empty = new Promise(resolve => {
+      setTimeout(() => {
+        return resolve("");
+      }, 100);
+    });
+
     switch (request.message) {
-      case "getTabInfo":
-        const tabInfo = { url: location.href, selectedText: this.selectedText };
-        return tabInfo;
+      case "getTabUrl":
+        if (window == window.parent) return location.href;
+        else return empty;
+      case "getSelectedText":
+        if (this.selectedText.length === 0) return empty;
+        else return this.selectedText;
       case "translateSelectedText":
         this.selectedText = getSelectedText();
         if (this.selectedText.length === 0) return;
diff --git a/src/popup/components/PopupPage.js b/src/popup/components/PopupPage.js
index 3ee48ae..1bb2321 100644
--- a/src/popup/components/PopupPage.js
+++ b/src/popup/components/PopupPage.js
@@ -12,8 +12,9 @@ import "../styles/PopupPage.scss";
 const getTabInfo = async () => {
   try {
     const tab = (await browser.tabs.query({ currentWindow: true, active: true }))[0];
-    const tabInfo = await browser.tabs.sendMessage(tab.id, { message: "getTabInfo" });
-    return tabInfo;
+    const tabUrl = await browser.tabs.sendMessage(tab.id, { message: "getTabUrl" });
+    const selectedText = await browser.tabs.sendMessage(tab.id, { message: "getSelectedText" });
+    return { url: tabUrl, selectedText: selectedText };
   } catch (e) {
     return { url: "", selectedText: "" };
   }