diff --git a/yunke-server/app/scraper/whatsapp.py b/yunke-server/app/scraper/whatsapp.py
index 8846e25..e9e67de 100644
--- a/yunke-server/app/scraper/whatsapp.py
+++ b/yunke-server/app/scraper/whatsapp.py
@@ -548,7 +548,9 @@ def _normalize_whatsapp_message(record: dict[str, Any]) -> dict[str, Any]:
         "type": normalize_whatsapp_type(raw_type),
         "type_raw": coerce_int_or_none(raw_type),
         "text": record.get("content"),
-        "file_url": record.get("mediaName"),
+        # file 常带直连 OSS URL(1:1 图片实测 93% 覆盖,2026-08-20),优先于
+        # mediaName 不透明名
+        "file_url": record.get("file") or record.get("mediaName"),
         "refer_msg": refer_msg,
         "sender_name": record.get("nickName"),
         "timestamp": timestamp,