diff --git a/sf_manufacturing/models/mrp_workorder.py b/sf_manufacturing/models/mrp_workorder.py
index 32dbb220..ab520434 100644
--- a/sf_manufacturing/models/mrp_workorder.py
+++ b/sf_manufacturing/models/mrp_workorder.py
@@ -902,7 +902,7 @@ class CNCprocessing(models.Model):
     # 将FTP的nc文件下载到临时目录
     def download_file_tmp(self, production_no, processing_panel):
         remotepath = os.path.join('/NC', production_no, 'return', processing_panel)
-        serverdir = os.pat.join('/tmp', production_no, 'return', processing_panel)
+        serverdir = os.path.join('/tmp', production_no, 'return', processing_panel)
         ftp_resconfig = self.env['res.config.settings'].get_values()
         ftp = FtpController(str(ftp_resconfig['ftp_host']), int(ftp_resconfig['ftp_port']), ftp_resconfig['ftp_user'],
                             ftp_resconfig['ftp_password'])