修改判题数据库

problem/migrations/0007_remove_problem_last_update_time.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('problem', '0006_merge'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='problem',
+            name='last_update_time',
+        ),
+    ]

problem/models.py

@@ -29,7 +29,7 @@ class AbstractProblem(models.Model):
     # 创建时间
     create_time = models.DateTimeField(auto_now_add=True)
     # 最后更新时间
-    last_update_time = models.DateTimeField(auto_now=True)
+    # last_update_time = models.DateTimeField(auto_now=True)
     # 这个题是谁创建的
     created_by = models.ForeignKey(User)
     # 来源