diff --git a/sf_mrs_connect/controllers/controllers.py b/sf_mrs_connect/controllers/controllers.py
index 61499cea..c30d3d53 100644
--- a/sf_mrs_connect/controllers/controllers.py
+++ b/sf_mrs_connect/controllers/controllers.py
@@ -93,6 +93,8 @@ class Sf_Mrs_Connect(http.Controller, MultiInheritController):
                                 if file_extension.lower() == '.pdf':
                                     panel_file_path = os.path.join(program_path_tmp_panel, file)
                                     logging.info('panel_file_path:%s' % panel_file_path)
+                                    
+                            # 向编程单中添加二维码
                             request.env['printing.utils'].add_qr_code_to_pdf(panel_file_path, model_id, "扫码获取工单")
                             cnc_workorder.write({'cnc_worksheet': base64.b64encode(open(panel_file_path, 'rb').read())})
                             pre_workorder = productions.workorder_ids.filtered(