diff --git a/flask_app/general/读取文件/按页读取pdf.py b/flask_app/general/读取文件/按页读取pdf.py
index 9e3fd63..3fd704b 100644
--- a/flask_app/general/读取文件/按页读取pdf.py
+++ b/flask_app/general/读取文件/按页读取pdf.py
@@ -78,6 +78,16 @@ def process_pages(get_text, common_header, total_pages):
 def read_pdf_main(pdf_path):
     # common_header=extract_common_header(pdf_path)
     common_header=""
+    try:
+        with fitz.open(pdf_path) as pdf_document:
+            total_pages = pdf_document.page_count
+            get_text = create_get_text_function('fitz', pdf_document)
+            start_page, end_page = process_pages(get_text, common_header,total_pages)
+        return start_page, end_page
+    except Exception as e_pypdf2:
+        print(f"extract_pages_generic: 使用 PyPDF2 读取 PDF 失败: {e_pypdf2}")
+
+    # 如果 PyPDF2 失败，尝试使用 PyMuPDF
     try:
         with open(pdf_path, "rb") as f:
             pdf_document = PdfReader(f)
@@ -85,16 +95,6 @@ def read_pdf_main(pdf_path):
             get_text = create_get_text_function('pypdf2', pdf_document)
             start_page, end_page = process_pages(get_text, common_header,total_pages)
             return start_page, end_page
-    except Exception as e_pypdf2:
-        print(f"extract_pages_generic: 使用 PyPDF2 读取 PDF 失败: {e_pypdf2}")
-
-    # 如果 PyPDF2 失败，尝试使用 PyMuPDF
-    try:
-        with fitz.open(pdf_path) as pdf_document:
-            total_pages = pdf_document.page_count
-            get_text = create_get_text_function('fitz', pdf_document)
-            start_page, end_page = process_pages(get_text, common_header,total_pages)
-        return start_page, end_page
     except Exception as e_pypdf2:
         print(f"extract_pages_generic: 使用 fitz 读取 PDF 失败: {e_pypdf2}")
 
diff --git a/flask_app/start_up.py b/flask_app/start_up.py
index ffc5a22..4ecb897 100644
--- a/flask_app/start_up.py
+++ b/flask_app/start_up.py
@@ -45,7 +45,6 @@ def create_app():
             for handler in logger.handlers[:]:
                 handler.close()
                 logger.removeHandler(handler)
-        gc.collect()
     return app