From 3a829fb6dd404244944e00bc69e51abd7ac4812e Mon Sep 17 00:00:00 2001
From: Wang Qi <wangq8@outlook.com>
Date: Fri, 26 Jun 2026 20:15:25 +0800
Subject: [PATCH] Fix VLM PDF parser only parse first 12 pages, and default
 page range for PDF files align with backend (#16394)

1. Fix VLM parser only parse first 12 pages
2. Fix frontend default pages 1 - 100000, keep aligned with backend.
---
 deepdoc/parser/pdf_parser.py                     | 2 +-
 web/src/components/chunk-method-dialog/index.tsx | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/deepdoc/parser/pdf_parser.py b/deepdoc/parser/pdf_parser.py
index e409d5556b..cfe2c3e203 100644
--- a/deepdoc/parser/pdf_parser.py
+++ b/deepdoc/parser/pdf_parser.py
@@ -2053,7 +2053,7 @@ class VisionParser(RAGFlowPdfParser):
         all_docs = []
 
         for idx, img_binary in enumerate(self.page_images or []):
-            pdf_page_num = idx  # 0-based
+            pdf_page_num = from_page + idx  # 0-based
             if pdf_page_num < start_page or pdf_page_num >= end_page:
                 continue
 
diff --git a/web/src/components/chunk-method-dialog/index.tsx b/web/src/components/chunk-method-dialog/index.tsx
index 21650d7e6d..63aaec7503 100644
--- a/web/src/components/chunk-method-dialog/index.tsx
+++ b/web/src/components/chunk-method-dialog/index.tsx
@@ -247,7 +247,7 @@ export function ChunkMethodDialog({
         pipeline_id: pipelineId || '',
         parseType: pipelineId ? ParseType.Pipeline : ParseType.BuiltIn,
         parser_config: fillDefaultParserValue({
-          pages: pages.length > 0 ? pages : [{ from: 1, to: 1024 }],
+          pages: pages.length > 0 ? pages : [{ from: 1, to: 100000 }],
           ...omit(parserConfig, 'pages'),
           image_table_context_window:
             parserConfig?.image_table_context_window ??