diff --git a/alas.py b/alas.py
index 3696d5451..6ecf7c57f 100644
--- a/alas.py
+++ b/alas.py
@@ -588,6 +588,7 @@ class AzurLaneAutoScript:
 
 from module.luahook.crack import *
 from module.scheduler_watcher import *
+from datetime import datetime, timedelta
 
 
 class AzurLaneAutoScript(AzurLaneAutoScript):