diff --git a/manifest.json b/manifest.json
index 20915c4..c73240d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -9,6 +9,8 @@
     "default_popup": "index.html"
   },
   "permissions": [
+    "notifications",
+    "alarms",
     "https://*/*"
   ]
 }
diff --git a/src/assets/logo.jpg b/src/assets/logo.jpg
new file mode 100644
index 0000000..1b09c1a
Binary files /dev/null and b/src/assets/logo.jpg differ
diff --git a/src/pages/Index.vue b/src/pages/Index.vue
index 4db741d..7a4ba81 100644
--- a/src/pages/Index.vue
+++ b/src/pages/Index.vue
@@ -99,9 +99,29 @@ export default {
       if ([-1, 5].indexOf(this.todayIndex) > -1) {
         return '신나는 주말!';
       }
-      if (lecture.start.isValid()) { return `${lecture.start.format('HH:mm')} ~ ${lecture.end.format('HH:mm')}`; }
+      if (lecture.start.isValid()) { 
+        this.createAlarm(lecture)
+        return `${lecture.start.format('HH:mm')} ~ ${lecture.end.format('HH:mm')}`; 
+      }
       return (lecture.idx) ? '오늘도 수고했어!' : '오늘도 화이팅!';
     },
+
+    createNotification(period, minute) {
+      chrome.notifications.clear('dimicigan');
+      chrome.notifications.create('dimicigan', {
+        iconUrl: './src/assets/logo.jpg',
+        type: 'basic',
+        title: `수업 시간 ${minute}분 전`,
+        message: `${period}교시 수업 시작까지 ${minute}분 남았어요!`,
+      });
+    },
+
+    createAlarm(lecture) {
+      chrome.alarms.create('dimicigan', {when: lecture.start.subtract(5, 'minutes').valueOf()});
+      chrome.alarms.onAlarm.addListener(function( alarm ) {
+        this.createNotification(lecture.idx, 5)
+      });
+    },
   },
 };
 </script>