From ea719903883c772dc5da84af7d72673df6cc99a7 Mon Sep 17 00:00:00 2001
From: FFXN <lizy@dify.ai>
Date: Sat, 9 May 2026 10:09:54 +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 a00e9f7640..6ed9387fc2 100644
--- a/api/models/dataset.py
+++ b/api/models/dataset.py
@@ -1020,7 +1020,7 @@ 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(