diff --git a/contest/models.py b/contest/models.py
index 1514b79..56762ec 100644
--- a/contest/models.py
+++ b/contest/models.py
@@ -8,12 +8,44 @@ from problem.models import AbstractProblem
 class Contest(models.Model):
     title = models.CharField(max_length=40)
     description = models.TextField()
-    is_public = models.BooleanField()
+    # 比赛模式 现在有 acm 模式，按照 ac 题目数量得分模式，
+    # 按照 ac 的题目的总分得分模式和按照通过的测试用例总分得分模式等
+    mode = models.IntegerField()
+    # 是否显示排名结果
+    show_rank = models.BooleanField()
+    # 如果这一项不为空，那这就不是公开赛，需要密码才能进入
     password = models.CharField(max_length=30, blank=True, null=True)
+    # 开始时间
     start_time = models.DateTimeField()
+    # 结束时间
     end_time = models.DateTimeField()
+    # 创建时间
+    create_time = models.DateTimeField(auto_now_add=True)
+    # 最后修改时间
+    last_updated_time = models.DateTimeField(auto_now=True)
     created_by = models.ForeignKey(User)
 
+    class Meta:
+        db_table = "contest"
+
 
 class ContestProblem(AbstractProblem):
     contest = models.ForeignKey(Contest)
+    # 比如A B 或者1 2 或者 a b 将按照这个排序
+    sort_index = models.CharField(max_length=30)
+
+    class Meta:
+        db_table = "contest_problem"
+
+
+class ContestProblemTestCase(models.Model):
+    """
+    如果比赛是按照通过的测试用例总分计算的话，就需要这个model 记录每个测试用例的分数
+    """
+    # 测试用例的id 这个还在测试用例的配置文件里面有对应
+    id = models.CharField(max_length=40, primary_key=True, db_index=True)
+    problem = models.ForeignKey(ContestProblem)
+    score = models.IntegerField()
+
+    class Meta:
+        db_table = "contest_problem_test_case"
diff --git a/problem/models.py b/problem/models.py
index 844f4db..e8255cd 100644
--- a/problem/models.py
+++ b/problem/models.py
@@ -5,7 +5,11 @@ from account.models import User
 
 
 class ProblemTag(models.Model):
-    pass
+    name = models.CharField(max_length=30)
+    description = models.CharField(max_length=50)
+
+    class Meta:
+        db_table = "problem_tag"
 
 
 class AbstractProblem(models.Model):
@@ -39,14 +43,13 @@ class AbstractProblem(models.Model):
     total_submit_number = models.IntegerField(default=0)
     # 通过数量
     total_accepted_number = models.IntegerField(default=0)
-    # 标签
-    tags = models.ManyToManyField(ProblemTag, null=True)
-    # 难度 0 - n
-    difficulty = models.IntegerField()
 
     class Meta:
         abstract = True
 
 
 class Problem(AbstractProblem):
-    pass
+    # 难度 0 - n
+    difficulty = models.IntegerField()
+    # 标签
+    tags = models.ManyToManyField(ProblemTag, null=True)