diff --git a/toh/hero/__init__.py b/toh/hero/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/toh/hero/admin.py b/toh/hero/admin.py
new file mode 100644
index 0000000..8c38f3f
--- /dev/null
+++ b/toh/hero/admin.py
@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.
diff --git a/toh/hero/apps.py b/toh/hero/apps.py
new file mode 100644
index 0000000..d673eaa
--- /dev/null
+++ b/toh/hero/apps.py
@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class HeroConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'hero'
diff --git a/toh/hero/migrations/0001_initial.py b/toh/hero/migrations/0001_initial.py
new file mode 100644
index 0000000..e9c983b
--- /dev/null
+++ b/toh/hero/migrations/0001_initial.py
@@ -0,0 +1,21 @@
+# Generated by Django 4.1.2 on 2022-10-10 15:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Hero',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+            ],
+        ),
+    ]
diff --git a/toh/hero/migrations/0002_hero_age.py b/toh/hero/migrations/0002_hero_age.py
new file mode 100644
index 0000000..e5ef436
--- /dev/null
+++ b/toh/hero/migrations/0002_hero_age.py
@@ -0,0 +1,18 @@
+# Generated by Django 4.1.2 on 2022-10-10 18:06
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hero', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='hero',
+            name='age',
+            field=models.IntegerField(blank=True, null=True),
+        ),
+    ]
diff --git a/toh/hero/migrations/0003_team.py b/toh/hero/migrations/0003_team.py
new file mode 100644
index 0000000..3551922
--- /dev/null
+++ b/toh/hero/migrations/0003_team.py
@@ -0,0 +1,23 @@
+# Generated by Django 4.1.2 on 2022-10-10 18:25
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hero', '0002_hero_age'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Team',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+                ('leader', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='leader_set', to='hero.hero')),
+                ('members', models.ManyToManyField(related_name='teams', to='hero.hero')),
+            ],
+        ),
+    ]
diff --git a/toh/hero/migrations/0004_hero_score.py b/toh/hero/migrations/0004_hero_score.py
new file mode 100644
index 0000000..5577e28
--- /dev/null
+++ b/toh/hero/migrations/0004_hero_score.py
@@ -0,0 +1,18 @@
+# Generated by Django 4.1.2 on 2022-10-10 18:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('hero', '0003_team'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='hero',
+            name='score',
+            field=models.IntegerField(default=0),
+        ),
+    ]
diff --git a/toh/hero/migrations/__init__.py b/toh/hero/migrations/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/toh/hero/models.py b/toh/hero/models.py
new file mode 100644
index 0000000..b10832f
--- /dev/null
+++ b/toh/hero/models.py
@@ -0,0 +1,27 @@
+from django.db import models
+
+class Hero(models.Model):
+    name = models.CharField(max_length=120)
+    age = models.IntegerField(blank=True, null=True)
+    score = models.IntegerField(default=0)
+
+    def __str__(self):
+        return self.name
+
+    def introduce(self):
+        print(f'Hello, my name is {self.name} and my score is {self.score}')
+
+class Team(models.Model):
+    name = models.CharField(max_length=120)
+    leader = models.ForeignKey(
+        Hero,
+        on_delete=models.CASCADE,
+        related_name='leader_set',
+    )
+    members = models.ManyToManyField(
+        Hero,
+        related_name='teams',
+    )
+
+    def __str__(self):
+        return self.name
\ No newline at end of file
diff --git a/toh/hero/tests.py b/toh/hero/tests.py
new file mode 100644
index 0000000..7ce503c
--- /dev/null
+++ b/toh/hero/tests.py
@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
diff --git a/toh/hero/urls.py b/toh/hero/urls.py
new file mode 100644
index 0000000..7384e1e
--- /dev/null
+++ b/toh/hero/urls.py
@@ -0,0 +1,9 @@
+from django.urls import path
+from . import views
+
+urlpatterns = [
+    path('', views.hero_list),
+    path('<int:id>/', views.id, name='hero_id'),
+    path('<str:name>/', views.name, name='hero_name'),
+    path('info/<int:id>/', views.hero_info, name='hero_info'),
+]
\ No newline at end of file
diff --git a/toh/hero/views.py b/toh/hero/views.py
new file mode 100644
index 0000000..d86c570
--- /dev/null
+++ b/toh/hero/views.py
@@ -0,0 +1,53 @@
+from django.http import HttpResponse, HttpResponseBadRequest, HttpResponseNotAllowed, JsonResponse
+from django.views.decorators.csrf import csrf_exempt
+import json
+from json.decoder import JSONDecodeError
+from .models import Hero
+
+# def index(request):
+#     return HttpResponse('Hello, world!')
+
+def id(request, id):
+    return HttpResponse(f'Your id is {id}!')
+
+def name(request, name):
+    return HttpResponse(f'Your name is {name}!')
+
+@csrf_exempt
+def hero_list(request):
+    if request.method == 'GET':
+        hero_all_list = [hero for hero in Hero.objects.all().values()]
+        return JsonResponse(hero_all_list, safe=False)
+    elif request.method == 'POST':
+        try:
+            body = request.body.decode()
+            hero_name = json.loads(body)['name']
+        except (KeyError, JSONDecodeError) as e:
+            return HttpResponseBadRequest()
+        hero = Hero(name=hero_name)
+        hero.save()
+        response_dict = {'id': hero.id, 'name': hero.name}
+        return JsonResponse(response_dict, status=201)
+    else:
+        return HttpResponseNotAllowed(['GET', 'POST'])
+
+@csrf_exempt
+def hero_info(request, id):
+    if request.method == 'GET':
+        hero = Hero.objects.get(id=id)
+        return JsonResponse({"id": hero.id, "name": hero.name, "age": hero.age})
+    elif request.method == 'PUT':
+        try:
+            body = request.body.decode()
+            hero_name = json.loads(body)['name']
+            hero_age = json.loads(body)['age']
+        except (KeyError, JSONDecodeError) as e:
+            return HttpResponseBadRequest()
+        hero = Hero.objects.get(id=id)
+        hero.name = hero_name
+        hero.age = hero_age
+        hero.save()
+        response_dict = {"id": hero.id, "name": hero.name, "age": hero.age}
+        return JsonResponse(response_dict, status=200)
+    else:
+        return HttpResponseNotAllowed(['GET', 'PUT'])
\ No newline at end of file
diff --git a/toh/manage.py b/toh/manage.py
new file mode 100644
index 0000000..04f198e
--- /dev/null
+++ b/toh/manage.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'toh.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/toh/toh/__init__.py b/toh/toh/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/toh/toh/asgi.py b/toh/toh/asgi.py
new file mode 100644
index 0000000..940b9f8
--- /dev/null
+++ b/toh/toh/asgi.py
@@ -0,0 +1,16 @@
+"""
+ASGI config for toh project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'toh.settings')
+
+application = get_asgi_application()
diff --git a/toh/toh/settings.py b/toh/toh/settings.py
new file mode 100644
index 0000000..731ead0
--- /dev/null
+++ b/toh/toh/settings.py
@@ -0,0 +1,124 @@
+"""
+Django settings for toh project.
+
+Generated by 'django-admin startproject' using Django 4.1.2.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/4.1/ref/settings/
+"""
+
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/4.1/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-x*cal+4dr^5wqe&0modde7$72#ck2zxe-&e=uhfvdal6(22!o)'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = ['127.0.0.1','0.0.0.0', 'localhost']
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'hero.apps.HeroConfig',
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'toh.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'toh.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/4.1/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/4.1/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/4.1/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/4.1/howto/static-files/
+
+STATIC_URL = 'static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
diff --git a/toh/toh/urls.py b/toh/toh/urls.py
new file mode 100644
index 0000000..8c57ad4
--- /dev/null
+++ b/toh/toh/urls.py
@@ -0,0 +1,22 @@
+"""toh URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/4.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import include, path
+
+urlpatterns = [
+    path('hero/', include('hero.urls')),
+    path('admin/', admin.site.urls),
+]
diff --git a/toh/toh/wsgi.py b/toh/toh/wsgi.py
new file mode 100644
index 0000000..97b4d40
--- /dev/null
+++ b/toh/toh/wsgi.py
@@ -0,0 +1,16 @@
+"""
+WSGI config for toh project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.1/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'toh.settings')
+
+application = get_wsgi_application()