diff --git a/com.twin.app.shoptime/src/actions/commonActions.js b/com.twin.app.shoptime/src/actions/commonActions.js
index 2f0b6bc6..f70bd99c 100644
--- a/com.twin.app.shoptime/src/actions/commonActions.js
+++ b/com.twin.app.shoptime/src/actions/commonActions.js
@@ -284,10 +284,41 @@ export const cancelFocusElement = () => () => {
 };
 
 let broadcastTimer = null;
-export const sendBroadCast = ({type, moreInfo}) => (dispatch, getState) => {
-  clearTimeout(broadcastTimer);
-  dispatch(changeBroadcastEvent({ type, moreInfo }));
-  broadcastTimer = setTimeout(() => { //clear after 500ms
-    dispatch(changeBroadcastEvent({}));
-  }, 500);
-};
\ No newline at end of file
+export const sendBroadCast =
+  ({ type, moreInfo }) =>
+  (dispatch, getState) => {
+    clearTimeout(broadcastTimer);
+    dispatch(changeBroadcastEvent({ type, moreInfo }));
+    broadcastTimer = setTimeout(() => {
+      //clear after 500ms
+      dispatch(changeBroadcastEvent({}));
+    }, 500);
+  };
+
+export const requestLiveSubtitle =
+  ({ showId }) =>
+  (dispatch, getState) => {
+    const webOSVersion = getState().common.appStatus.webOSVersion;
+    const captionEnable = getState().common.appStatus.captionEnable;
+
+    if (Number(webOSVersion) <= 4.5) {
+      lunaSend.setSubtitleEnable(showId, captionEnable, {
+        onSuccess: (res) => {
+          console.log(res);
+        },
+        onFailure: (err) => {
+          console.log(err);
+        },
+      });
+      return;
+    } else {
+      lunaSend.setSubtitleEnableOver5(showId, {
+        onSuccess: (res) => {
+          console.log(res);
+        },
+        onFailure: (err) => {
+          console.log(err);
+        },
+      });
+    }
+  };
diff --git a/com.twin.app.shoptime/src/lunaSend/common.js b/com.twin.app.shoptime/src/lunaSend/common.js
index 3cecacb7..3adb332f 100644
--- a/com.twin.app.shoptime/src/lunaSend/common.js
+++ b/com.twin.app.shoptime/src/lunaSend/common.js
@@ -140,3 +140,60 @@ export function checkValidCountry(ricCode, country) {
     }
   }
 }
+
+// 3.0 ~ 4.5
+export const setSubtitleEnable = (
+  showId,
+  captionEnable,
+  { onSuccess, onFailure, onComplete }
+) => {
+  if (
+    typeof window === "object" &&
+    window.PalmSystem &&
+    process.env.REACT_APP_MODE !== "DEBUG"
+  ) {
+    if (captionEnable) {
+      return new LS2Request().send({
+        service: "luna://com.webos.service.tv.subtitle",
+        method: "enableSubtitle",
+        parameters: { pipelineId: showId },
+        onSuccess,
+        onFailure,
+        onComplete,
+      });
+    } else {
+      return new LS2Request().send({
+        service: "luna://com.webos.service.tv.subtitle",
+        method: "disableSubtitle",
+        parameters: { pipelineId: showId },
+        onSuccess,
+        onFailure,
+        onComplete,
+      });
+    }
+  }
+};
+
+// 5.0
+export const setSubtitleEnableOver5 = (
+  showId,
+  { onSuccess, onFailure, onComplete }
+) => {
+  console.log("#sutitle action");
+  if (
+    typeof window === "object" &&
+    window.PalmSystem &&
+    process.env.REACT_APP_MODE !== "DEBUG"
+  ) {
+    console.log("###showId", showId);
+    console.log("#onSuccess", onSuccess);
+    return new LS2Request().send({
+      service: "luna://com.webos.media",
+      method: "setSubtitleEnable",
+      parameters: { pipelineId: showId },
+      onSuccess,
+      onFailure,
+      onComplete,
+    });
+  }
+};
diff --git a/com.twin.app.shoptime/src/views/PlayerPanel/PlayerPanel.jsx b/com.twin.app.shoptime/src/views/PlayerPanel/PlayerPanel.jsx
index 3ff8bb29..42ffc72b 100644
--- a/com.twin.app.shoptime/src/views/PlayerPanel/PlayerPanel.jsx
+++ b/com.twin.app.shoptime/src/views/PlayerPanel/PlayerPanel.jsx
@@ -16,6 +16,7 @@ import SpotlightContainerDecorator from "@enact/spotlight/SpotlightContainerDeco
 import dummyVtt from "../../../assets/mock/video.vtt";
 import {
   changeLocalSettings,
+  requestLiveSubtitle,
   sendBroadCast,
 } from "../../actions/commonActions";
 import {
@@ -474,6 +475,12 @@ const PlayerPanel = ({
     }
   }, [panelInfo, playListInfo]);
 
+  useEffect(() => {
+    if (panelInfo?.shptmBanrTpNm === "LIVE" && playListInfo) {
+      dispatch(requestLiveSubtitle(playListInfo[selectedIndex].showId));
+    }
+  }, [panelInfo?.shptmBanrTpNm, playListInfo, selectedIndex]);
+
   useEffect(() => {
     if (!panelInfo) return;
     switch (panelInfo.shptmBanrTpNm) {