diff --git a/src/modules/timer/index.ts b/src/modules/timer/index.ts
index bf74ee2..71fe1c4 100644
--- a/src/modules/timer/index.ts
+++ b/src/modules/timer/index.ts
@@ -12,29 +12,31 @@ export default class TimerModule implements IModule {
 	}
 
 	public onMention = (msg: MessageLike) => {
-		const seconds = (msg.text || '').match(/([0-9]+)秒/);
-		const minutes = (msg.text || '').match(/([0-9]+)分/);
-		const hours = (msg.text || '').match(/([0-9]+)時間/);
-		const timeStr = seconds || minutes || hours;
+		const secondsQuery = (msg.text || '').match(/([0-9]+)秒/);
+		const minutesQuery = (msg.text || '').match(/([0-9]+)分/);
+		const hoursQuery = (msg.text || '').match(/([0-9]+)時間/);
 
-		if (timeStr) {
-			const num = parseInt(timeStr[1], 10);
+		const seconds = secondsQuery ? parseInt(secondsQuery[1], 10) : 0;
+		const minutes = minutesQuery ? parseInt(minutesQuery[1], 10) : 0;
+		const hours = hoursQuery ? parseInt(hoursQuery[1], 10) : 0;
 
-			if (num <= 0) {
+		if (secondsQuery || minutesQuery || hoursQuery) {
+			if ((seconds + minutes + hours) == 0) {
 				msg.reply(serifs.timer.invalid);
 				return true;
 			} else {
 				msg.reply(serifs.timer.set);
 
 				const time =
-					seconds ? 1000 * num :
-					minutes ? 1000 * 60 * num :
-					hours ? 1000 * 60 * 60 * num * 1000 :
-					null;
+					(1000 * seconds) +
+					(1000 * 60 * minutes) +
+					(1000 * 60 * 60 * hours);
+
+				const str = `${hours ? hoursQuery[0] : ''}${minutes ? minutesQuery[0] : ''}${seconds ? secondsQuery[0] : ''}`;
 
 				setTimeout(() => {
 					this.ai.sendMessage(msg.userId, {
-						text: serifs.timer.notify.replace('{time}', timeStr[0])
+						text: serifs.timer.notify.replace('{time}', str)
 					});
 				}, time);