From 1e02f5dafd90c57ffa252b5490bd806db1a175d6 Mon Sep 17 00:00:00 2001
From: FFXN <lizy@dify.ai>
Date: Sat, 9 May 2026 10:34:44 +0800
Subject: [PATCH] fix: Using CONSOLE_API_URL to generate an image preview URL
 causes the image preview to fail on the chunks details page of the knowledge
 base.

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

diff --git a/api/models/dataset.py b/api/models/dataset.py
index e323ccfd7f..7e8efee217 100644
--- a/api/models/dataset.py
+++ b/api/models/dataset.py
@@ -965,7 +965,7 @@ class DocumentSegment(Base):
             encoded_sign = base64.urlsafe_b64encode(sign).decode()
 
             params = f"timestamp={timestamp}&nonce={nonce}&sign={encoded_sign}"
-            reference_url = dify_config.CONSOLE_API_URL or ""
+            reference_url = dify_config.FILES_URL or dify_config.CONSOLE_API_URL or ""
             base_url = f"{reference_url}/files/{upload_file_id}/image-preview"
             source_url = f"{base_url}?{params}"
             attachment_list.append(