diff --git a/apps/srm/serializers.py b/apps/srm/serializers.py
index cdb08cb5..12bc936a 100644
--- a/apps/srm/serializers.py
+++ b/apps/srm/serializers.py
@@ -44,14 +44,14 @@ class PaperRecordSerializer(CustomModelSerializer):
         fields = '__all__'
         read_only_fields = EXCLUDE_FIELDS
 
-class PlatformSerializer(serializers.ModelSerializer):
+class PlatformSerializer(CustomModelSerializer):
     create_by_name = serializers.CharField(source='create_by.name', read_only=True)
     class Meta:
         model = Platform
         fields = '__all__'
         read_only_fields = EXCLUDE_FIELDS
 
-class PlatstandingSerializer(serializers.ModelSerializer):
+class PlatstandingSerializer(CustomModelSerializer):
     platinfo_ = PlatformSerializer(source='platinfo', read_only=True)
     create_by_name = serializers.CharField(source='create_by.name', read_only=True)
     class Meta: