diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index d54afa1b..eaececeb 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -695,9 +695,12 @@ class MlogbInViewSet(CreateModelMixin, UpdateModelMixin, DestroyModelMixin, Cust
         c_month = now.month
         m_model = material_out.model
         wpr = Wpr.objects.filter(material_start=material_out, create_time__year=c_year, create_time__month=c_month).order_by("number").last()
+        cq_w = 4
+        if '02d' in rule:
+            cq_w = 2
         if wpr:
             try:
-                n_count = int(wpr.number.split("-")[-1].lstrip('0'))
+                n_count = int(wpr.number[-cq_w:].lstrip('0'))
             except Exception as e:
                 raise ParseError(f"获取该类产品最后编号错误: {str(e)}")
         try: