diff --git a/flask_app/general/format_change.py b/flask_app/general/format_change.py
index ced2134..760bdf1 100644
--- a/flask_app/general/format_change.py
+++ b/flask_app/general/format_change.py
@@ -138,6 +138,15 @@ def pdf2docx(local_path_in):
 def doc2docx(local_path_in):
     if not local_path_in:
         return ""
+    # 获取文件名和所在文件夹
+    filename, folder = get_filename_and_folder(local_path_in)
+
+    # 检查是否已经存在同名的 .docx 文件
+    docx_file_path = os.path.join(folder, f"{filename}.docx")
+    if os.path.exists(docx_file_path):
+        print(f"Skipping conversion, {docx_file_path} already exists.")
+        return docx_file_path
+
     remote_url = 'http://47.98.59.178:8000/v3/3rd/files/transfer/d2d'
     receive_download_url = upload_file(local_path_in, remote_url)
     print(receive_download_url)
@@ -149,6 +158,13 @@ def doc2docx(local_path_in):
 def docx2pdf(local_path_in):
     if not local_path_in:
         return ""
+    # 获取文件名和所在文件夹
+    filename, folder = get_filename_and_folder(local_path_in)
+    # 检查是否已经存在同名的 .pdf 文件
+    pdf_file_path = os.path.join(folder, f"{filename}.pdf")
+    if os.path.exists(pdf_file_path):
+        print(f"Skipping conversion, {pdf_file_path} already exists.")
+        return pdf_file_path
     remote_url = 'http://47.98.59.178:8000/v3/3rd/files/transfer/d2p'
     receive_download_url = upload_file(local_path_in, remote_url)
     filename, folder = get_filename_and_folder(local_path_in)  # 输入输出在同一个文件夹
diff --git a/flask_app/货物标/技术参数要求提取.py b/flask_app/货物标/技术参数要求提取.py
index 84fc462..0e7fa1b 100644
--- a/flask_app/货物标/技术参数要求提取.py
+++ b/flask_app/货物标/技术参数要求提取.py
@@ -372,7 +372,7 @@ def get_technical_requirements(invalid_path,processed_filepath,model_type=1):
     if '否' in judge_res or model_type==0:
         model_type = 0  # 使用qianwen-long+invalid_path
         print("no!调用invalid_path")
-        if invalid_path.lower().endswith('.pdf'):           #确保上传的是docx
+        if invalid_path.lower().endswith('.pdf'):           #确保上传的是docx  upload中一定是docx，但是get_deviation中可能上传的是pdf
             invalid_path = pdf2docx(invalid_path)
         file_id = upload_file(invalid_path)
         user_query = generate_prompt(judge_res)
diff --git a/flask_app/货物标/提取采购需求main.py b/flask_app/货物标/提取采购需求main.py
index a8f35ad..b205363 100644
--- a/flask_app/货物标/提取采购需求main.py
+++ b/flask_app/货物标/提取采购需求main.py
@@ -27,13 +27,19 @@ def fetch_procurement_reqs(procurement_path, invalid_path):
         return DEFAULT_PROCUREMENT_REQS.copy()
 
     try:
-        if procurement_path==invalid_path:
+        if procurement_path == invalid_path:
+            # 读取 PDF 页码数
             page_count = get_pdf_page_count(procurement_path)
-            model_type=0
-            processed_filepath=""
+
+            if page_count > 80:  # 如果页码数大于 50
+                model_type = 0
+                processed_filepath = ""
+            else:
+                model_type = 1
+                processed_filepath = convert_file_to_markdown(procurement_path)  # 转markdown格式
         else:
             model_type = 1
-            processed_filepath = convert_file_to_markdown(procurement_path)   # 转markdown格式
+            processed_filepath = convert_file_to_markdown(procurement_path)  # 转markdown格式
         # processed_filepath = pdf2txt(procurement_path)  # 纯文本提取
         # 使用 ThreadPoolExecutor 并行处理 get_technical_requirements 和 get_business_requirements
         with concurrent.futures.ThreadPoolExecutor() as executor: