diff --git a/src/apis/subscribe/service.ts b/src/apis/subscribe/service.ts
index 16b8133d..00bd63ef 100644
--- a/src/apis/subscribe/service.ts
+++ b/src/apis/subscribe/service.ts
@@ -67,27 +67,30 @@ export const unsubscribeMajor = async (
   });
 };
 
-export const pushNotification = (major: string) => {
+export const pushNotification = (major: string): Promise<number> => {
   const query = `SELECT user FROM ${major}구독`;
-  db.query(query, (err: Error, res: SubscribeUser[]) => {
-    if (err) console.error(err);
+  return new Promise<number>((resolve) => {
+    db.query(query, async (err: Error, res: SubscribeUser[]) => {
+      if (err) console.error(err);
 
-    try {
-      const message: PushMessage = {
-        title: `${major} 알림`,
-        body: '새로운 공지가 추가됐어요',
-        icon: './icons/icon-192x192.png',
-      };
+      try {
+        const message: PushMessage = {
+          title: `${major} 알림`,
+          body: '새로운 공지가 추가됐어요',
+          icon: './icons/icon-192x192.png',
+        };
 
-      for (const userInfo of res) {
-        webpush.sendNotification(
-          JSON.parse(userInfo.user),
-          JSON.stringify(message),
-        );
+        for (const userInfo of res) {
+          await webpush.sendNotification(
+            JSON.parse(userInfo.user),
+            JSON.stringify(message),
+          );
+        }
+        resolve(res.length);
+      } catch (error) {
+        notificationToSlack(error);
+        resolve(0);
       }
-      notificationToSlack(`${major} ${res.length}명 알림 완료`);
-    } catch (error) {
-      console.error(error);
-    }
+    });
   });
 };
diff --git a/src/hooks/cronNoticeCrawling.ts b/src/hooks/cronNoticeCrawling.ts
index 4c9b085f..599d23ab 100644
--- a/src/hooks/cronNoticeCrawling.ts
+++ b/src/hooks/cronNoticeCrawling.ts
@@ -4,14 +4,15 @@ import cron from 'node-cron';
 import notificationToSlack from 'src/hooks/notificateToSlack';
 
 const pushToUsers = async (majors: string[]) => {
-  return new Promise<void>((resolve) => {
-    for (const major of majors) {
-      pushNotification(major);
-    }
-  });
+  let pushedUserCount = ``;
+  for (const major of majors) {
+    const count = await pushNotification(major);
+    pushedUserCount += `${major} ${count}명 알림 완료\n`;
+  }
+  notificationToSlack(pushedUserCount);
 };
 
-cron.schedule('0 10 * * *', async () => {
+cron.schedule('0 3 * * *', async () => {
   const majors = await saveNoticeToDB();
   await saveNoticeToDB();
   await saveSchoolNoticeToDB();