diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 71be5ffb..74664ef1 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -18,7 +18,7 @@ from django.db import transaction
 from django.utils import timezone
 from django.core.cache import cache
 from django.utils.timezone import localdate
-from apps.qm.models import NotOkOption
+from apps.qm.models import NotOkOption, Ftest
 from apps.wf.serializers import TicketSimpleSerializer
 from apps.wpmw.models import Wpr
 from apps.qm.serializers import FtestProcessSerializer
@@ -588,9 +588,26 @@ class MlogbwCreateUpdateSerializer(CustomModelSerializer):
             raise ValidationError('请选择相应产品')
         return attrs
 
+    def save_ftest(self, mlogbw, ftest_data):
+        if "id" not in ftest_data:
+            ftest = FtestProcessSerializer(data=ftest_data).save()
+            mlogbw.ftest = ftest
+            mlogbw.save()
+        else:
+            FtestProcessSerializer(instance=Ftest.objects.get(id=ftest_data["id"]), data=ftest_data).save()
+        return mlogbw
+
+    @transaction.atomic
+    def create(self, validated_data):
+        ftest_data = validated_data.pop("ftest", None)
+        mlogbw = super().create(validated_data)
+        return self.save_ftest(mlogbw, ftest_data)
+
     def update(self, instance, validated_data):
         validated_data.pop("mlogb")
-        super().update(instance, validated_data)
+        ftest_data = validated_data.pop("ftest", None)
+        mlogbw = super().update(instance, validated_data)
+        return self.save_ftest(mlogbw, ftest_data)
 
 class MlogbOutUpdateSerializer(CustomModelSerializer):
     class Meta: