diff --git a/src/db.py b/src/db.py
index bd4ed55..58594cc 100644
--- a/src/db.py
+++ b/src/db.py
@@ -381,6 +381,12 @@ def fetch_all():
     cursor.close()
     connection.commit()
     connection.close()
+    # bigint fix (JS frontend) skuid in table item
+    converted_rows = []
+    for row in results[0]:
+        converted_row = (row[0], row[1], str(row[2]), row[3], row[4], row[5], row[6])
+        converted_rows.append(converted_row)
+    results[0] = converted_rows
     return results
 
 def restore_db(data):
@@ -389,10 +395,20 @@ def restore_db(data):
     connection = connect_db()
     cursor = connection.cursor()
     for elem in data["item"]:
-        print(elem)
+        # check if item already exists
+        query = f'SELECT * FROM item WHERE itemid={str(elem["itemid"])} and skuid={str(elem["skuid"])}'
+        cursor.execute(query)
+        result = cursor.rowcount
+        if result == 0:
+            attributes = str(elem["attributes"]).split(',') if len(str(elem["attributes"]))>0 else "[]::text[]"
+            query = f'INSERT INTO item (uuid, itemid, skuid, choice, attributes, image, show) VALUES (nextval(\'uuid_sequence\'), {str(elem["itemid"])}, {str(elem["skuid"])}, {str(elem["choice"])}, ARRAY{attributes}, \'{str(elem["image"])}\', {str(elem["show"])})'
+            cursor.execute(query)
     for table in tables:
         for elem in data[table]:
             print(elem)
+    cursor.close()
+    connection.commit()
+    connection.close()
 
 def export_csv():
     '''join item and history data from database and export it in ./output.csv'''