diff --git a/sf_tool_management/models/mrp_workorder.py b/sf_tool_management/models/mrp_workorder.py
index 0a1a6447..62c83a6e 100644
--- a/sf_tool_management/models/mrp_workorder.py
+++ b/sf_tool_management/models/mrp_workorder.py
@@ -43,7 +43,7 @@ class CNCprocessing(models.Model):
             if production_name not in list(datas['缺刀'].keys()):
                 datas['缺刀'].update({production_name: {processing_panel: []}})
                 datas['无效刀'].update({production_name: {processing_panel: []}})
-                production_ids.append(cnc_processing.production_id)
+                production_ids.append(cnc_processing.workorder_id.production_id)
             else:
                 if processing_panel not in list[datas['缺刀'].get(production_name).keys()]:
                     datas['缺刀'].get(production_name).update({processing_panel: []})