diff --git a/apps/mtm/serializers.py b/apps/mtm/serializers.py
index 8429b627..015c5d9c 100644
--- a/apps/mtm/serializers.py
+++ b/apps/mtm/serializers.py
@@ -186,8 +186,8 @@ class RouteSerializer(CustomModelSerializer):
             raise ParseError('未提供操作工序')
         if process.parent is not None:
             raise ParseError('操作工序不可为子工序')
-        if process.mtype == Process.PRO_DIV and attrs.get('div_number', 1) <= 1:
-            raise ParseError('切分数量必须大于1') 
+        if process.mtype == Process.PRO_DIV and attrs.get('div_number', 1) < 1:
+            raise ParseError('切分数量必须大于等于1') 
         return super().validate(attrs)
 
     @classmethod
diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index 4aec14cc..e3525e24 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -624,8 +624,11 @@ class MlogbInViewSet(CreateModelMixin, UpdateModelMixin, DestroyModelMixin, Cust
                                                                                                    {"count_real": d_count_real, "count_ok": d_count_ok}))
                 for mlogbwin in Mlogbw.objects.filter(mlogb=mlogbin).order_by("number"):
                     wpr_ = mlogbwin.wpr
-                    for i in range(div_number):
-                        Mlogbw.objects.get_or_create(mlogb=mlogbout, number=f'{wpr_.number}-{i+1}', defaults={"mlogbw_from": mlogbwin})
+                    if div_number == 1:
+                        Mlogbw.objects.get_or_create(wpr=wpr_, mlogb=mlogbout, defaults={"number": wpr_.number, "mlogbw_from": mlogbwin})
+                    else:
+                        for i in range(div_number):
+                            Mlogbw.objects.get_or_create(mlogb=mlogbout, number=f'{wpr_.number}-{i+1}', defaults={"mlogbw_from": mlogbwin})
             elif material_in.tracking == Material.MA_TRACKING_BATCH and material_out.tracking == Material.MA_TRACKING_BATCH:
                 d_count_real = mlogbin.count_use * div_number
                 d_count_ok = d_count_real