diff --git a/apps/edu/migrations/0001_initial.py b/apps/edu/migrations/0001_initial.py
index 58973df7..21412abb 100644
--- a/apps/edu/migrations/0001_initial.py
+++ b/apps/edu/migrations/0001_initial.py
@@ -45,7 +45,6 @@ class Migration(migrations.Migration):
                 ('close_time', models.DateTimeField(blank=True, null=True, verbose_name='关闭时间')),
                 ('chance', models.IntegerField(default=1, verbose_name='考试机会')),
                 ('is_public', models.BooleanField(default=False, verbose_name='是否公开')),
-                ('paper_json', models.JSONField(blank=True, null=True, verbose_name='试卷JSON')),
                 ('create_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='exam_create_by', to=settings.AUTH_USER_MODEL, verbose_name='创建人')),
                 ('p_depts', models.ManyToManyField(blank=True, to='system.Dept', verbose_name='指定部门')),
                 ('p_users', models.ManyToManyField(blank=True, to=settings.AUTH_USER_MODEL, verbose_name='指定用户')),
diff --git a/apps/edu/models.py b/apps/edu/models.py
index 40e7e6f5..17d942cd 100644
--- a/apps/edu/models.py
+++ b/apps/edu/models.py
@@ -74,7 +74,6 @@ class Exam(CommonADModel):
     is_public = models.BooleanField('是否公开', default=False)
     p_users = models.ManyToManyField(User, verbose_name='指定用户', blank=True)
     p_depts = models.ManyToManyField(Dept, verbose_name='指定部门', blank=True)
-    paper_json = models.JSONField('试卷JSON', null=True, blank=True)
 
     class Meta:
         verbose_name = '在线考试'