diff --git a/auto_cache.py b/auto_cache.py
index 7aa9a0b..65a9a4d 100644
--- a/auto_cache.py
+++ b/auto_cache.py
@@ -31,4 +31,8 @@ def auto_cache_data():
             query_all_records_by_date_with_type_link(str_prev_day)
 
 if __name__ == "__main__":
-    auto_cache_data()
+    schedule.every().day.at("03:00").do(auto_cache_data)
+
+    while True:
+        schedule.run_pending()
+        time.sleep(1)