diff --git a/core/api.js b/core/api.js
index 415f53c3..656591eb 100644
--- a/core/api.js
+++ b/core/api.js
@@ -9,6 +9,7 @@ const PostAddressIP = "https://exptech.com.tw/api/v1/trem/";
 let report_data = {};
 let report_now_id = 0;
 let replay_stop_state = false;
+let update = false;
 
 const info_list = [];
 
@@ -32,6 +33,37 @@ function intensity_string_to_int(string) {
 	return (string == "0") ? 0 : (string == "1") ? 1 : (string == "2") ? 2 : (string == "3") ? 3 : (string == "4") ? 4 : (string == "5-") ? 5 : (string == "5+") ? 6 : (string == "6-") ? 7 : (string == "6+") ? 8 : 9;
 }
 
+function check_update() {
+	if (update) return;
+	const controller = new AbortController();
+	setTimeout(() => {
+		controller.abort();
+	}, 2500);
+	fetch("https://api.github.com/repos/ExpTechTW/TREM-Lite/releases", { signal: controller.signal })
+		.then((ans) => ans.json())
+		.then((ans) => {
+			if (ver_string_to_int(ans[0].tag_name) > ver_string_to_int(app.getVersion())) {
+				update = true;
+				const notification = new Notification("🆙 新版本", {
+					body : `發現新版本! 『${ans[0].tag_name}』\n點擊此訊息前往查看`,
+					icon : "../TREM.ico",
+				});
+				notification.onclick = () => {
+					shell.openExternal("https://github.com/ExpTechTW/TREM-Lite/releases/latest");
+				};
+			}
+		})
+		.catch((err) => {
+			log(err, 3, "api", "check_update");
+		});
+}
+
+function ver_string_to_int(ver) {
+	if (ver.includes("-")) ver = ver.split("-")[0].replaceAll(".", "");
+	else ver = ver.replaceAll(".", "");
+	return ver;
+}
+
 function fetch_eew() {
 	const controller = new AbortController();
 	setTimeout(() => {
diff --git a/core/event.js b/core/event.js
index 2eb5fabc..8d0b2c65 100644
--- a/core/event.js
+++ b/core/event.js
@@ -69,9 +69,8 @@ function get_data(data, type = "websocket") {
 				const text = `${data.raw.originTime}\n${loc} 發生 M${report_scale} 地震`;
 				if (speecd_use) speech.speak({ text: `地震資訊，${text.replace("M", "規模").replace(".", "點")}` });
 				new Notification("⚠️ 地震資訊", {
-					body   : text,
-					icon   : "../TREM.ico",
-					silent : win.isFocused(),
+					body : text,
+					icon : "../TREM.ico",
 				});
 			} else return;
 		else {
@@ -86,9 +85,8 @@ function get_data(data, type = "websocket") {
 			const text = `${data.raw.originTime}\n${loc} 發生 M${report_scale} 地震\n最大震度 ${data.raw.data[0].areaName} ${data.raw.data[0].eqStation[0].stationName} ${I}`;
 			if (speecd_use) speech.speak({ text: `地震報告，${text.replace("M", "規模").replace(".", "點")}` });
 			new Notification("⚠️ 地震報告", {
-				body   : text,
-				icon   : "../TREM.ico",
-				silent : win.isFocused(),
+				body : text,
+				icon : "../TREM.ico",
 			});
 			show_screen("report");
 		}
@@ -165,9 +163,8 @@ function on_eew(data, type) {
 	const unit = (data.type == "eew-jma") ? "気象庁(JMA)" : (data.type == "eew-nied") ? "防災科学技術研究所" : (data.type == "eew-kma") ? "기상청(KMA)" : (data.type == "eew-scdzj") ? "四川省地震局" : (data.type == "eew-cwb") ? "交通部中央氣象局" : "TREM";
 	if (speecd_use) speech.speak({ text: `${data.location}，發生規模${data.scale.toFixed(1).replace(".", "點")}地震` });
 	new Notification(`🚨 地震預警 第${data.number}報 | ${unit}`, {
-		body   : `${time_to_string((data.replay_time) ? data.replay_time : data.time)}\n${data.location} 發生 M${data.scale.toFixed(1)} 地震`,
-		icon   : "../TREM.ico",
-		silent : win.isFocused(),
+		body : `${time_to_string((data.replay_time) ? data.replay_time : data.time)}\n${data.location} 發生 M${data.scale.toFixed(1)} 地震`,
+		icon : "../TREM.ico",
 	});
 	if (!TREM.EQ_list[data.id]) {
 		show_screen("eew");
diff --git a/core/loop.js b/core/loop.js
index 3cbae1d7..cb8aa909 100644
--- a/core/loop.js
+++ b/core/loop.js
@@ -182,6 +182,7 @@ setInterval(() => {
 		get_station_info();
 		storage.setItem("report_data", []);
 		refresh_report_list(true);
+		check_update();
 	}
 }, 60_000);
 const audioContext = new AudioContext();
diff --git a/core/main.js b/core/main.js
index bea932fa..bacfe1f8 100644
--- a/core/main.js
+++ b/core/main.js
@@ -132,4 +132,5 @@ function set_user_location() {
 	TREM.setting.rts_station = storage.getItem("rts_station") ?? "H-711-11334880-12";
 	if (TREM.user.icon) TREM.user.icon.remove();
 	TREM.user.icon = L.marker([_lat, _lon], { icon: user_icon }).addTo(TREM.Maps.main);
-}
\ No newline at end of file
+}
+check_update();
\ No newline at end of file
diff --git a/core/rts.js b/core/rts.js
index b89bd93b..e63ad008 100644
--- a/core/rts.js
+++ b/core/rts.js
@@ -175,9 +175,8 @@ function on_rts_data(data) {
 				TREM.audio.minor.push("Shindo2");
 				if (speecd_use) speech.speak({ text: `強震檢測，${loc}` });
 				new Notification("🟥 強震檢測", {
-					body   : `${loc}`,
-					icon   : "../TREM.ico",
-					silent : win.isFocused(),
+					body : `${loc}`,
+					icon : "../TREM.ico",
 				});
 				rts_screenshot();
 			} else if (max_intensity > 1) {
@@ -185,9 +184,8 @@ function on_rts_data(data) {
 				TREM.audio.minor.push("Shindo1");
 				if (speecd_use) speech.speak({ text: `震動檢測，${loc}` });
 				new Notification("🟨 震動檢測", {
-					body   : `${loc}`,
-					icon   : "../TREM.ico",
-					silent : win.isFocused(),
+					body : `${loc}`,
+					icon : "../TREM.ico",
 				});
 				rts_screenshot();
 			} else {
@@ -195,9 +193,8 @@ function on_rts_data(data) {
 				TREM.audio.minor.push("Shindo0");
 				if (speecd_use) speech.speak({ text: `弱反應，${loc}` });
 				new Notification("🟩 弱反應", {
-					body   : `${loc}`,
-					icon   : "../TREM.ico",
-					silent : win.isFocused(),
+					body : `${loc}`,
+					icon : "../TREM.ico",
 				});
 				rts_screenshot();
 			}
diff --git a/package.json b/package.json
index 83599f35..b7a63e67 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "trem_lite",
-  "version": "1.4.5",
+  "version": "1.4.6",
   "description": "Taiwan Real-time Earthquake Monitoring ( 臺灣即時地震監測 )",
   "main": "main.js",
   "author": {