diff --git a/apps/enm/serializers.py b/apps/enm/serializers.py
index cac16b31..0e022364 100644
--- a/apps/enm/serializers.py
+++ b/apps/enm/serializers.py
@@ -7,14 +7,14 @@ from rest_framework.exceptions import ParseError
 
 
 class MpointSerializer(CustomModelSerializer):
-    mgroup = serializers.PrimaryKeyRelatedField(label="测点集", queryset=Mgroup.objects.all(), required=False)
+    mgroup = serializers.PrimaryKeyRelatedField(label="测点集", queryset=Mgroup.objects.all(), required=False, allow_null=True)
     mgroup_name = serializers.CharField(source='mgroup.name', read_only=True)
     belong_dept_name = serializers.CharField(source='belong_dept.name', read_only=True)
     ep_monitored_name = serializers.CharField(source='ep_monitored.name', read_only=True)
     ep_monitored_power_kw = serializers.CharField(source='ep_monitored.power_kw', read_only=True)
     ep_belong_name = serializers.CharField(source='ep_belong.name', read_only=True)
     material_name = serializers.CharField(source='material.name', read_only=True)
-    formula = serializers.CharField(allow_blank=True)
+    formula = serializers.CharField(allow_blank=True, required=False)
     class Meta:
         model = Mpoint
         fields = '__all__'