diff --git a/sehuatang/shehuatang.py b/sehuatang/shehuatang.py
index 79d701b..5e5e163 100644
--- a/sehuatang/shehuatang.py
+++ b/sehuatang/shehuatang.py
@@ -48,7 +48,18 @@ def fetch_and_create_pdf(url):
     options.headless = True
     options.add_argument('--disable-gpu')
     options.add_argument('--no-sandbox')
-    driver = webdriver.Chrome(service=Service(ChromeDriverManager().install()), options=options)
+    
+    # 使用本地固定的ChromeDriver路径，避免每次自动更新
+    chrome_driver_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "chromedriver.exe")
+    
+    # 如果本地没有chromedriver.exe，则使用webdriver_manager下载一次
+    if not os.path.exists(chrome_driver_path):
+        chrome_driver_path = ChromeDriverManager().install()
+        print(f"ChromeDriver已下载到: {chrome_driver_path}")
+    else:
+        print(f"使用本地ChromeDriver: {chrome_driver_path}")
+        
+    driver = webdriver.Chrome(service=Service(chrome_driver_path), options=options)
 
     # 获取目标页面
     driver.get(url)