feat: examserializer添加字段

apps/edu/serializers.py

@@ -75,10 +75,12 @@ class PaperSerializer(CustomModelSerializer):
 
 class ExamSerializer(CustomModelSerializer):
     create_by_name = serializers.CharField(source='create_by.name', read_only=True)
+    paper_name = serializers.CharField(source='paper.name', read_only=True)
     paper = serializers.PrimaryKeyRelatedField(queryset=Paper.objects.all(), label='有考试记录,编辑时忽略')
     class Meta:
         model = Exam
         fields = "__all__"
+        read_only_fields = EXCLUDE_FIELDS
     
     def update(self, instance, validated_data):
         if ExamRecord.objects.filter(exam=instance).exists():