diff --git a/deepdoc/parser/docling_parser.py b/deepdoc/parser/docling_parser.py
index 9d67478c8..59fec9250 100644
--- a/deepdoc/parser/docling_parser.py
+++ b/deepdoc/parser/docling_parser.py
@@ -61,7 +61,9 @@ class DoclingParser(RAGFlowPdfParser):
         self.page_images: list[Image.Image] = []
         self.page_from = 0
         self.page_to = 10_000
-
+        self.outlines = []
+   
+        
     def check_installation(self) -> bool:
         if DocumentConverter is None:
             self.logger.warning("[Docling] 'docling' is not importable, please: pip install docling")
diff --git a/deepdoc/parser/mineru_parser.py b/deepdoc/parser/mineru_parser.py
index 6d3b292d0..99b56e83a 100644
--- a/deepdoc/parser/mineru_parser.py
+++ b/deepdoc/parser/mineru_parser.py
@@ -59,6 +59,7 @@ class MinerUParser(RAGFlowPdfParser):
         self.mineru_api = mineru_api.rstrip("/")
         self.mineru_server_url = mineru_server_url.rstrip("/")
         self.using_api = False
+        self.outlines = []
         self.logger = logging.getLogger(self.__class__.__name__)
 
     def _extract_zip_no_root(self, zip_path, extract_to, root_dir):
diff --git a/deepdoc/parser/tcadp_parser.py b/deepdoc/parser/tcadp_parser.py
index 1b7a3e362..920b6f1a1 100644
--- a/deepdoc/parser/tcadp_parser.py
+++ b/deepdoc/parser/tcadp_parser.py
@@ -47,6 +47,7 @@ class TencentCloudAPIClient:
         self.secret_id = secret_id
         self.secret_key = secret_key
         self.region = region
+        self.outlines = []
         
         # Create credentials
         self.cred = credential.Credential(secret_id, secret_key)
diff --git a/rag/app/manual.py b/rag/app/manual.py
index 81402d1bd..5808e2498 100644
--- a/rag/app/manual.py
+++ b/rag/app/manual.py
@@ -216,6 +216,30 @@ def chunk(filename, binary=None, from_page=0, to_page=100000,
             **kwargs
         )
 
+        def _normalize_section(section):
+            # pad section to length 3: (txt, sec_id, poss)
+            if len(section) == 1:
+                section = (section[0], "", [])
+            elif len(section) == 2:
+                section = (section[0], "", section[1])
+            elif len(section) != 3:
+                raise ValueError(f"Unexpected section length: {len(section)} (value={section!r})")
+
+            txt, sec_id, poss = section
+            if isinstance(poss, str):
+                poss = pdf_parser.extract_positions(poss)
+                first = poss[0]          # tuple: ([pn], x1, x2, y1, y2)
+                pn = first[0]           
+
+                if isinstance(pn, list):
+                    pn = pn[0]           # [pn] -> pn
+                    poss[0] = (pn, *first[1:])
+
+            return (txt, sec_id, poss)
+        
+
+        sections = [_normalize_section(sec) for sec in sections]
+
         if not sections and not tbls:
             return []
 
diff --git a/rag/app/naive.py b/rag/app/naive.py
index d88c2bea4..293e4a8b9 100644
--- a/rag/app/naive.py
+++ b/rag/app/naive.py
@@ -70,6 +70,7 @@ def by_mineru(filename, binary=None, from_page=0, to_page=100000, lang="Chinese"
         callback=callback,
         output_dir=os.environ.get("MINERU_OUTPUT_DIR", ""),
         backend=os.environ.get("MINERU_BACKEND", "pipeline"),
+        server_url=os.environ.get("MINERU_SERVER_URL", ""),
         delete_output=bool(int(os.environ.get("MINERU_DELETE_OUTPUT", 1))),
     )
     return sections, tables, pdf_parser