diff --git a/robot.py b/robot.py
index 223ce42..9612cbb 100644
--- a/robot.py
+++ b/robot.py
@@ -724,9 +724,9 @@ class Robot:
     async def generate_sehuatang_pdf(self):
         try:
             self.LOG.info("开始生成PDF,generate_sehuatang_pdf")
-            tag, path = pdf_file_path()
+            tag, path = pdf_file_path_undetected()
             if not tag:
-                tag, path = pdf_file_path_undetected()
+                tag, path = pdf_file_path()
             # 暂时只发4K群
             await self.send_group_file_message(path, Feature.PDF_CAPABILITY)
         except Exception as e: