diff --git a/sf_manufacturing/wizard/rework_wizard.py b/sf_manufacturing/wizard/rework_wizard.py
index ba7ed770..ac91d15c 100644
--- a/sf_manufacturing/wizard/rework_wizard.py
+++ b/sf_manufacturing/wizard/rework_wizard.py
@@ -311,7 +311,7 @@ class ReworkWizard(models.TransientModel):
                         break
                     for p in production_id.detection_result_ids.filtered(
                             lambda ap1: ap1.handle_result == '待处理'):
-                        if p.processing_panel not in panel_arr:
+                        if p.processing_panel and p.processing_panel not in panel_arr:
                             panel_arr += ','.join(p.processing_panel)
                     for item in panel_arr.split(','):
                         panel = self.env['sf.processing.panel'].search(