diff --git a/src/events/school_time/email_read.py b/src/events/school_time/email_read.py
index 9c5c701..4074013 100644
--- a/src/events/school_time/email_read.py
+++ b/src/events/school_time/email_read.py
@@ -1,6 +1,11 @@
+from update_time_school import update_time_school
+
 from dotenv import load_dotenv
 from imbox import Imbox
+import urllib.parse
 import traceback
+import pathlib
+import pymongo
 import time
 import os
 
@@ -12,9 +17,15 @@ USERNAME = os.getenv('EMAIL') #Username (ex . test@example.com)
 PASSWORD = os.getenv('PWD_EMAIL') #IMAP Password
 DOWNLOAD_FOLDER = os.getenv('DOWNLOAD_FOLDER') #Download folder for xlsx file
 EMAIL_SCHOOL = os.getenv('EMAIL_SCHOOL') #Email school
+PASSWORD_MONGODB = os.getenv('PASSWORD_MONGODB') #Password for MongoDB
+URL_MONGODB = os.getenv('URL_MONGODB') #URL for MongoDB
+mongo_url = "mongodb+srv://elci:" + urllib.parse.quote_plus(PASSWORD_MONGODB) + URL_MONGODB #URL for MongoDB (with password)
+client = pymongo.MongoClient(mongo_url) #Connect to MongoDB
+database = client["website-class"] #Database name
+collection = database["email"] #Collection school time table current
 
 def recheck_email(): # Every 10 seconds check if there is a new email
-    time.sleep(10)
+    time.sleep(600)
     check_email()
 
 def check_email():
@@ -33,9 +44,20 @@ def check_email():
                 try:
                     att_fn = attachment.get('filename') # Get attachment filename
                     download_path = f"{DOWNLOAD_FOLDER}/{att_fn}"
-                    with open(download_path, "wb") as fp:
-                        fp.write(attachment.get('content').read())
-                        os.rename(download_path, f"{DOWNLOAD_FOLDER}/school_time.xlsx") # Rename file
+                    extension_file = pathlib.Path(att_fn).suffix # Get extension file
+                    print(extension_file)
+                    if extension_file != ".xlsx": # Check if file is xlsx
+                        print("Check file")
+                    else:
+                        if collection.find_one({"filename": att_fn}):
+                            print("File already exists")
+                        else:
+                            with open(download_path, "wb") as fp:
+                                fp.write(attachment.get('content').read())
+                                os.rename(download_path, f"{DOWNLOAD_FOLDER}/school_time.xlsx") # Rename file
+                                collection.delete_many({}) # Delete old file
+                                collection.insert_one({"filename": att_fn}) # Insert filename to MongoDB
+                                update_time_school() # Update school time table
                 except:
                     print(traceback.print_exc())
 
diff --git a/src/events/school_time/update_time_school.py b/src/events/school_time/update_time_school.py
index 313a7d6..abc5ca1 100644
--- a/src/events/school_time/update_time_school.py
+++ b/src/events/school_time/update_time_school.py
@@ -16,10 +16,6 @@ database = client["website-class"] #Database name
 collection = database["school-time-table"] #Collection school time table current
 collection_archive = database["archive-school-time-table"] #Collection school time table archive
 
-def recheck():
-    time.sleep(10)
-    update_time_school()
-
 def update_time_school():
     # Load excel file
     namefile_xlsx = "attachments/school_time.xlsx"