diff --git a/apps/wpm/views.py b/apps/wpm/views.py
index ed67b8c1..78438892 100644
--- a/apps/wpm/views.py
+++ b/apps/wpm/views.py
@@ -712,18 +712,26 @@ class MlogbwViewSet(CustomModelViewSet):
                 mlogbin = ins.mlogb
                 wm_in = mlogbin.wm_in
                 mlog = mlogbin.mlog
+                div_number = route.div_number
                 m_dict = {
                     "mtask": mlogbin.mtask,
                     "mlog": mlog,
                     "material_out": material_out,
+                    "batch_ofrom": wm_in.batch_ofrom, 
+                    "material_ofrom": wm_in.material_ofrom,
+                    "count_real": div_number, 
+                    "count_ok": div_number, "qct": mlog.qct
                 }
-                div_number = route.div_number
-                mlogbout, _ = Mlogb.objects.get_or_create(**m_dict, defaults=
-                {"batch_ofrom": wm_in.batch_ofrom, "material_ofrom": wm_in.material_ofrom, "count_real": div_number, "count_ok": div_number, "qct": mlog.qct})
+                if ins.mlogb_to:
+                    mlogbout = ins.mlogb_to
+                else:
+                    mlogbout = Mlogb.objects.create(**m_dict)
+                    ins.mlogb_to = mlogbout
+                    ins.save(update_fields=["mlogb_to"])
                 if material_out.tracking == Material.MA_TRACKING_SINGLE:
                     for i in range(div_number):
                         Mlogbw.objects.get_or_create(mlogb=mlogbout, defaults=f'{ins.number}-{i+1}')
-                Mlogbw.cal_count_notok(mlogb_to)
+                Mlogbw.cal_count_notok(mlogbout)
             elif mlogb_to and material_out.tracking == Material.MA_TRACKING_SINGLE:
                 if route.process.mtype == Process.PRO_NORMAL:
                     Mlogbw.objects.get_or_create(mlogb=mlogb_to, wpr=ins.wpr, defaults={"number": ins.number})