diff --git a/EduSystemServer/.idea/EduSystemServer.iml b/EduSystemServer/.idea/EduSystemServer.iml
index 02a9ee7..258a1c1 100644
--- a/EduSystemServer/.idea/EduSystemServer.iml
+++ b/EduSystemServer/.idea/EduSystemServer.iml
@@ -14,7 +14,7 @@
   </component>
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$" />
-    <orderEntry type="jdk" jdkName="Python 3.7 (EduSystemServer)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.9" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
   <component name="TemplatesService">
diff --git a/EduSystemServer/.idea/dataSources.xml b/EduSystemServer/.idea/dataSources.xml
index a974322..a5ca85d 100644
--- a/EduSystemServer/.idea/dataSources.xml
+++ b/EduSystemServer/.idea/dataSources.xml
@@ -8,5 +8,14 @@
       <jdbc-url>jdbc:mysql://localhost:3306/edu_sys</jdbc-url>
       <working-dir>$ProjectFileDir$</working-dir>
     </data-source>
+    <data-source source="LOCAL" name="Django default" uuid="ffb088a0-406e-44b2-aed0-9587474966bf">
+      <driver-ref>mysql.8</driver-ref>
+      <synchronize>true</synchronize>
+      <imported>true</imported>
+      <remarks>$PROJECT_DIR$/EduSystemServer/settings.py</remarks>
+      <jdbc-driver>com.mysql.cj.jdbc.Driver</jdbc-driver>
+      <jdbc-url>jdbc:mysql://127.0.0.1:3306/edu_sys</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
   </component>
 </project>
\ No newline at end of file
diff --git a/EduSystemServer/.idea/misc.xml b/EduSystemServer/.idea/misc.xml
index fea17c1..d56657a 100644
--- a/EduSystemServer/.idea/misc.xml
+++ b/EduSystemServer/.idea/misc.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7 (EduSystemServer)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/EduSystemServer/Eduadmin/models.py b/EduSystemServer/Eduadmin/models.py
index c061404..5b573f8 100644
--- a/EduSystemServer/Eduadmin/models.py
+++ b/EduSystemServer/Eduadmin/models.py
@@ -4,8 +4,8 @@ from django.db import models
 
 
 class Admin(models.Model):
-    username = models.CharField(max_length=32, primary_key=True, name="username", verbose_name="管理员账号")
-    password = models.CharField(max_length=128, name="password", verbose_name="管理员密码")
+    username = models.CharField(max_length=32, primary_key=True, name="username", verbose_name="管理员账号", blank=True)
+    password = models.CharField(max_length=128, name="password", verbose_name="管理员密码", blank=True)
 
     class Meta:
         db_table = "Eduadmin"
diff --git a/EduSystemServer/Student/models.py b/EduSystemServer/Student/models.py
index e3a2b11..48c8358 100644
--- a/EduSystemServer/Student/models.py
+++ b/EduSystemServer/Student/models.py
@@ -3,17 +3,18 @@ from django.db import models
 
 # Create your models here.
 class Student(models.Model):
-    sid = models.IntegerField(primary_key=True, verbose_name="学生编号", name="sid")
-    username = models.CharField(max_length=30, verbose_name="用户名称", name="s_username")
-    password = models.CharField(max_length=100, verbose_name="密码", name="s_password")
-    s_name = models.CharField(max_length=100, verbose_name="姓名", name="s_name")
-    sex = models.CharField(max_length=4, verbose_name="性别", name="s_sex")
-    grade = models.IntegerField(verbose_name="年级", name="s_grade")
-    class_name = models.CharField(max_length=50, verbose_name="班级", name="s_class_name")
-    major = models.CharField(max_length=50, verbose_name="专业名称", name="s_major")
+    sid = models.AutoField(primary_key=True, verbose_name="学生编号", name="sid")
+    username = models.CharField(max_length=30, verbose_name="用户名称", name="s_username", blank=True)
+    password = models.CharField(max_length=100, verbose_name="密码", name="s_password", blank=True)
+    s_name = models.CharField(max_length=100, verbose_name="姓名", name="s_name", blank=True)
+    sex = models.CharField(max_length=4, verbose_name="性别", name="s_sex", blank=True)
+    grade = models.CharField(max_length=20, verbose_name="年级", name="s_grade", blank=True)
+    class_name = models.CharField(max_length=50, verbose_name="班级", name="s_class_name", blank=True)
+    major = models.CharField(max_length=50, verbose_name="专业名称", name="s_major", blank=True)
 
     def to_dict(self):
-        return {"sid": self.sid, "s_name": self.s_name}
+        return {"sid": self.sid, "s_name": self.s_name, "username": self.username, "password": self.password,
+                "s_sex": self.sex, "s_grade": self.grade, "class_name": self.class_name, "major": self.major}
 
     class Meta:
         db_table = "student"
diff --git a/EduSystemServer/course/models.py b/EduSystemServer/course/models.py
index 6b746e5..b2fda46 100644
--- a/EduSystemServer/course/models.py
+++ b/EduSystemServer/course/models.py
@@ -7,8 +7,8 @@ from Student.models import Student
 # Create your models here.
 class Course(models.Model):
     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")
+    c_name = models.CharField(max_length=255, verbose_name="课程名称", name="c_name", blank=True)
+    type = models.CharField(max_length=128, verbose_name="课程类型", name="c_type", blank=True)
     credit = models.IntegerField(verbose_name="课程学分", name="credit")
     tid = models.ForeignKey(Teacher, to_field="tid", on_delete=models.CASCADE, name="tid")
 
@@ -28,4 +28,4 @@ class SC(models.Model):
         db_table = "sc"
         verbose_name = "管理员"
         verbose_name_plural = verbose_name
-        unique_together = ("sid", "cid")
\ No newline at end of file
+        unique_together = ("sid", "cid")
diff --git a/EduSystemServer/teacher/models.py b/EduSystemServer/teacher/models.py
index 4eca1f1..d6ce4c4 100644
--- a/EduSystemServer/teacher/models.py
+++ b/EduSystemServer/teacher/models.py
@@ -4,11 +4,11 @@ from django.db import models
 # Create your models here.
 class Teacher(models.Model):
     tid = models.AutoField(primary_key=True, verbose_name="教师编号", name="tid")
-    t_name = models.CharField(max_length=255, verbose_name="教师名称", name="t_name")
-    sex = models.CharField(max_length=128, verbose_name="教师性别", name="t_sex")
-    title = models.CharField(max_length=128, verbose_name="教师职称", name="t_title")
-    education = models.CharField(max_length=128, verbose_name="教师学历", name="t_education")
-    dept = models.CharField(max_length=128, verbose_name="教师所属院系", name="t_dept")
+    t_name = models.CharField(max_length=255, verbose_name="教师名称", name="t_name", blank=True)
+    sex = models.CharField(max_length=128, verbose_name="教师性别", name="t_sex", blank=True)
+    title = models.CharField(max_length=128, verbose_name="教师职称", name="t_title", blank=True)
+    education = models.CharField(max_length=128, verbose_name="教师学历", name="t_education", blank=True)
+    dept = models.CharField(max_length=128, verbose_name="教师所属院系", name="t_dept", blank=True)
 
     class Meta:
         db_table = "teacher"