diff --git a/EduSystemServer/admin/models.py b/EduSystemServer/admin/models.py
index 71a8362..ff59ddb 100644
--- a/EduSystemServer/admin/models.py
+++ b/EduSystemServer/admin/models.py
@@ -1,3 +1,13 @@
 from django.db import models
 
 # Create your models here.
+
+
+class Admin(models.Model):
+    aid = models.AutoField(primary_key=True, name="aid")
+    username = models.CharField(unique=True, name="username", verbose_name="管理员账号")
+    password = models.CharField(name="password", verbose_name="管理员密码")
+
+    class Meta:
+        db_table = "admin"
+        verbose_name = "管理员"
diff --git a/EduSystemServer/course/models.py b/EduSystemServer/course/models.py
index 28bc79f..9968df1 100644
--- a/EduSystemServer/course/models.py
+++ b/EduSystemServer/course/models.py
@@ -3,8 +3,25 @@ from django.db import models
 
 # Create your models here.
 class Course(models.Model):
-    cid = models.AutoField(primary_key=True, verbose_name="课程编号")
-    c_name = models.CharField(max_length=255, verbose_name="课程名称")
-    type = models.CharField(max_length=128, verbose_name="课程类型")
-    credit = models.IntegerField(verbose_name="课程学分")
-    tid = models.ForeignKey(to="teacher", to_field="tid", on_delete="")
\ No newline at end of file
+    cid = models.AutoField(primary_key=True, verbose_name="课程编号", name="cid")
+    c_name = models.CharField(max_length=255, verbose_name="课程名称", name="c_name")
+    type = models.CharField(max_length=128, verbose_name="课程类型", name="c_type")
+    credit = models.IntegerField(verbose_name="课程学分", name="credit")
+    tid = models.ForeignKey(to="teacher", to_field="tid", on_delete=models.CASCADE, name="tid")
+
+    class Meta:
+        db_table = "course"
+        verbose_name = "课程"
+        verbose_name_plural = verbose_name
+
+
+class SC(models.Model):
+    sid = models.ForeignKey(to="Student", to_field="sid", on_delete=models.CASCADE, name="sid")
+    cid = models.ForeignKey(to="Course", to_field="cid", on_delete=models.CASCADE, name="cid")
+    middle_grade = models.IntegerField(name="middle_grade")
+    end_grade = models.IntegerField(name="end_grade")
+
+    class Meta:
+        db_table = "admin"
+        verbose_name = "管理员"
+        verbose_name_plural = verbose_name
\ No newline at end of file