diff --git a/crazy_functions/Arxiv_论文对话.py b/crazy_functions/Arxiv_论文对话.py
index 771caae5..f8f7f304 100644
--- a/crazy_functions/Arxiv_论文对话.py
+++ b/crazy_functions/Arxiv_论文对话.py
@@ -176,7 +176,7 @@ class ArxivRagWorker:
                 f"Paper Title: {first_fragment.title}\n"
                 f"ArXiv ID: {first_fragment.arxiv_id}\n"
                 f"Abstract: {first_fragment.abstract}\n"
-                f"Section Tree:{first_fragment.section_tree}\n"
+                f"Table of contents:{first_fragment.catalogs}\n"
                 f"Type: OVERVIEW"
             )
         }
diff --git a/crazy_functions/rag_fns/arxiv_fns/arxiv_splitter.py b/crazy_functions/rag_fns/arxiv_fns/arxiv_splitter.py
index 9ddb9733..f9d28c44 100644
--- a/crazy_functions/rag_fns/arxiv_fns/arxiv_splitter.py
+++ b/crazy_functions/rag_fns/arxiv_fns/arxiv_splitter.py
@@ -65,9 +65,9 @@ def save_fragments_to_file(fragments: List[SectionFragment], output_dir: str = "
                 f.write(f"\n### Abstract\n{fragments[0].abstract}\n")
 
         # Write section tree if available
-        if fragments and fragments[0].section_tree:
+        if fragments and fragments[0].catalogs:
             f.write("\n## Section Tree\n")
-            f.write(fragments[0].section_tree)
+            f.write(fragments[0].catalogs)
 
         # Generate table of contents
         f.write("\n## Table of Contents\n")
@@ -689,7 +689,7 @@ class ArxivSplitter:
         try:
             return all([
                 fragment.title.strip(),
-                fragment.section_tree.strip(),
+                fragment.catalogs.strip(),
                 fragment.current_section.strip(),
                 fragment.content.strip() or fragment.bibliography.strip()
             ])
diff --git a/crazy_functions/rag_fns/arxiv_fns/section_fragment.py b/crazy_functions/rag_fns/arxiv_fns/section_fragment.py
index 21f79e6a..f04cdd55 100644
--- a/crazy_functions/rag_fns/arxiv_fns/section_fragment.py
+++ b/crazy_functions/rag_fns/arxiv_fns/section_fragment.py
@@ -5,7 +5,7 @@ class SectionFragment:
     """Arxiv论文片段数据类"""
     title: str  # 文件路径
     abstract: str  # 论文摘要
-    section_tree: str # 文章各章节的目录结构
+    catalogs: str # 文章各章节的目录结构
     arxiv_id: str = ""  # 添加 arxiv_id 属性
     current_section: str = "Introduction" # 当前片段所属的section或者subsection或者孙subsubsection名字
     content: str = '' #当前片段的内容
@@ -15,3 +15,4 @@ class SectionFragment:
 
 
 
+