diff --git a/.gitignore b/.gitignore
index a7155cb..a2c3f9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@ locale-data.json
 lte/
 nonlte/
 *.csv
+*.xlsx
 *.zip
 back-end/clusterCoordinate.json
 front-end/Map_marker.svg:Zone.Identifier
diff --git a/back-end/routes.py b/back-end/routes.py
index 2eef0c7..96007e6 100755
--- a/back-end/routes.py
+++ b/back-end/routes.py
@@ -165,6 +165,7 @@ def submit_data(folderid):
         result = task_chain.apply_async()
 
         if folderid != -1:
+            folderVal = folder_ops.get_folder_with_id(folderid=folderid, session=session)
             deadline = folderVal.deadline
         else:
             deadline_str = request.form.get('deadline')
diff --git a/nginx.conf.prod b/nginx.conf.prod
index 51ac317..943d85a 100644
--- a/nginx.conf.prod
+++ b/nginx.conf.prod
@@ -22,7 +22,7 @@ server {
     ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';
 
     # Set the maximum allowed size for client request bodies (e.g., 100M for 100 megabytes)
-    client_max_body_size 100M;
+    client_max_body_size 500M;
 
     # Enabling gzip compression for better performance.
     gzip on;