diff --git a/server/apps/exam/filters.py b/server/apps/exam/filters.py
index a6143f2..05e97ed 100644
--- a/server/apps/exam/filters.py
+++ b/server/apps/exam/filters.py
@@ -40,6 +40,6 @@ class ExamFilter(filters.FilterSet):
     def filter_is_my(self, queryset, name, value):
         if value:
             user = self.request.user
-            return queryset.filter(Q(participant_user=user)|Q(participant_dep=user.dept)|Q(is_open=True))
+            return queryset.filter(participant_dep=user.dept)
         return queryset
         
\ No newline at end of file
diff --git a/server/apps/exam/migrations/0002_auto_20240619_1412.py b/server/apps/exam/migrations/0002_auto_20240619_1412.py
new file mode 100644
index 0000000..7df73e6
--- /dev/null
+++ b/server/apps/exam/migrations/0002_auto_20240619_1412.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.12 on 2024-06-19 06:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('exam', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='exam',
+            name='name',
+            field=models.CharField(max_length=100, unique=True, verbose_name='名称'),
+        ),
+        migrations.AlterField(
+            model_name='paper',
+            name='name',
+            field=models.CharField(max_length=200, unique=True, verbose_name='名称'),
+        ),
+    ]
diff --git a/server/apps/exam/models.py b/server/apps/exam/models.py
index 78ac629..6907091 100644
--- a/server/apps/exam/models.py
+++ b/server/apps/exam/models.py
@@ -51,7 +51,7 @@ class Question(CommonADModel):
 
 
 class Paper(CommonAModel):
-    name = models.CharField(max_length=200, verbose_name='名称')
+    name = models.CharField(max_length=200, verbose_name='名称', unique=True)
     questions = models.ManyToManyField(Question, through='PaperQuestion')
     limit = models.IntegerField(default=0, verbose_name='限时(分钟)')
     total_score = models.FloatField(default=0, verbose_name='满分')
@@ -81,7 +81,7 @@ class Exam(CommonAModel):
     组织的正式考试
     """
     code = models.CharField('考试编号', max_length=100, null=True, blank=True, unique=True)
-    name = models.CharField('名称', max_length=100)
+    name = models.CharField('名称', max_length=100, unique=True)
     place = models.CharField('考试地点', max_length=100, null=True, blank=True)
     open_time = models.DateTimeField('开启时间', null=True, blank=True)
     close_time = models.DateTimeField('关闭时间', null=True, blank=True)
diff --git a/server/apps/exam/views.py b/server/apps/exam/views.py
index 6626b0f..f25638d 100644
--- a/server/apps/exam/views.py
+++ b/server/apps/exam/views.py
@@ -489,14 +489,14 @@ class ExamViewSet(CreateUpdateCustomMixin, ModelViewSet):
         user = self.request.user
         if has_permission("exam", user):
             return qs
-        return qs.filter(Q(participant_user=user)|Q(participant_dep=user.dept)|Q(is_open=True))
+        return qs.filter(participant_dep=user.dept)
 
 
     def destroy(self, request, *args, **kwargs):
         instance = self.get_object()
         if ExamRecord.objects.filter(exam=instance).exists():
             raise ParseError('存在考试记录,禁止删除')
-        instance.delete()
+        instance.delete(soft=False)
         return Response(status=204)
 
     @action(methods=['post'], detail=True, perms_map={'post': '*'}, serializer_class=Serializer, permission_classes = [IsAuthenticated])