From 50050527ebfcd914b8578462ce8f1191465de72d Mon Sep 17 00:00:00 2001
From: Hunter <158444941+lei-jia-xing@users.noreply.github.com>
Date: Mon, 22 Sep 2025 14:31:49 +0800
Subject: [PATCH] fix: Correctly map source_url to preview_url in file fields
 (#25957)

---
 api/fields/file_fields.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/fields/file_fields.py b/api/fields/file_fields.py
index dd359e2f5f..a6e2d7038b 100644
--- a/api/fields/file_fields.py
+++ b/api/fields/file_fields.py
@@ -32,7 +32,7 @@ file_fields = {
     "mime_type": fields.String,
     "created_by": fields.String,
     "created_at": TimestampField,
-    "preview_url": fields.String,
+    "preview_url": fields.String(attribute="source_url"),
 }