diff --git a/plugins/alert.py b/plugins/alert.py
index 9c2cedc..6531c60 100644
--- a/plugins/alert.py
+++ b/plugins/alert.py
@@ -288,7 +288,7 @@ def _search_searx(keyword: str) -> list[dict]:
     for item in data.get("results", []):
         item_url = item.get("url", "")
         title = item.get("title", "")
-        date = _parse_date(item.get("publishedDate", ""))
+        date = _parse_date(item.get("publishedDate") or "")
         results.append({
             "id": item_url,
             "title": title,