diff --git a/utils/sehuatang/shehuatang_undetected.py b/utils/sehuatang/shehuatang_undetected.py
index ddb8c95..e55d3cd 100644
--- a/utils/sehuatang/shehuatang_undetected.py
+++ b/utils/sehuatang/shehuatang_undetected.py
@@ -79,7 +79,8 @@ def fetch_and_create_pdf(url):
         options.add_argument('--disable-dev-shm-usage')
 
         # 创建driver实例
-        driver = uc.Chrome(options=options, version_main=None)
+        # 让 undetected_chromedriver 自动检测浏览器版本并下载匹配的 ChromeDriver
+        driver = uc.Chrome(options=options)
 
         logger.info(f"正在访问: {url}")
         driver.get(url)