diff --git a/sehuatang/shehuatang.py b/sehuatang/shehuatang.py
index 567dbea..b1d246b 100644
--- a/sehuatang/shehuatang.py
+++ b/sehuatang/shehuatang.py
@@ -17,6 +17,7 @@ from reportlab.pdfbase import pdfmetrics
 from datetime import datetime
 from PIL import Image as PILImage
 import re  # 用于正则表达式提取磁力链接
+from PyPDF2 import PdfReader, PdfWriter
 
 
 def download_image(url):
@@ -168,9 +169,12 @@ def fetch_and_create_pdf(url):
     # 生成PDF
     doc.build(content)
 
+
     # 获取PDF文件的绝对路径
     absolute_pdf_path = os.path.abspath(pdf_filename)
     print(f"PDF saved as {absolute_pdf_path}")
+    # 加密PDF
+    add_pdf_encryption(absolute_pdf_path)
 
     # 关闭浏览器
     driver.quit()
@@ -178,6 +182,26 @@ def fetch_and_create_pdf(url):
     return absolute_pdf_path
 
 
+def add_pdf_encryption(pdf_file, password="4000"):
+    """ 使用PyPDF2为PDF添加加密保护 """
+    pdf_writer = PdfWriter()
+    pdf_reader = PdfReader(pdf_file)
+
+    # 将所有页面添加到PDF写入器中
+    for page_num in range(len(pdf_reader.pages)):
+        pdf_writer.add_page(pdf_reader.pages[page_num])
+
+    # 添加密码
+    pdf_writer.encrypt(password)
+
+    # 保存加密后的PDF
+    with open(pdf_file, "wb") as output_pdf:
+        pdf_writer.write(output_pdf)
+
+    print(f"PDF加密成功，密码为: {password}")
+
+
+
 def pdf_file_path():
     url = 'https://www.sehuatang.net/forum.php?mod=forumdisplay&fid=103&filter=typeid&typeid=481'
     pdf_path = fetch_and_create_pdf(url)