增加几个 model

contest/models.py

@@ -1,11 +1,18 @@
 # coding=utf-8
 from django.db import models
 
+from account.models import User
 from problem.models import AbstractProblem
 
 
 class Contest(models.Model):
-    pass
+    title = models.CharField(max_length=40)
+    description = models.TextField()
+    is_public = models.BooleanField()
+    password = models.CharField(max_length=30, blank=True, null=True)
+    start_time = models.DateTimeField()
+    end_time = models.DateTimeField()
+    created_by = models.ForeignKey(User)
 
 
 class ContestProblem(AbstractProblem):