diff --git a/khaikang/models.py b/khaikang/models.py
new file mode 100644
index 0000000..fde83cf
--- /dev/null
+++ b/khaikang/models.py
@@ -0,0 +1,57 @@
+from django.db import models
+from django.contrib.auth.models import AbstractBaseUser
+
+class User(AbstractBaseUser):
+    """customized user field."""
+    username = models.CharField(max_length=30, unique=True) # max to 30 char
+    USERNAME_FIELD = 'username' # setting username field to "id"
+
+    created_time = models.DateTimeField()
+    shown_name = models.CharField(max_length=50) # max to 50 char
+
+    url = models.URLField(max_length=200) # max to 200 char
+
+
+    desc = models.TextField() # description
+
+    GROUP_CLASSES = [
+    ('admin', 'admin'),
+    ('sysop', 'sysop'),
+    ('general', 'general'),
+    ('suspended', 'suspended'),
+    ('deleted', 'deleted'),
+    ]
+
+    classfication = models.CharField(
+        max_length=9,
+        choices=GROUP_CLASSES,
+        default='general',
+    )
+
+    email = models.EmailField(max_length=200) # max to 200 char
+
+    REQUIRED_FIELDS = ['id', 'shown_name', 'classfication', 'email']
+
+class Following(models.Model):
+    follower = models.ForeignKey(User, on_delete=models.CASCADE, related_name="follower")
+    followee = models.ForeignKey(User, on_delete=models.CASCADE, related_name="followee")
+
+
+class Post(models.Model):
+    text = models.TextField()
+    poster = models.ForeignKey(User, on_delete=models.CASCADE)
+    post_time = models.DateTimeField()
+
+    GROUP_PRIVILAGES = [
+    ('public', 'public'), # post to public timeline
+    ('unpublic', 'unpublic'), # not post to public timeline
+    ('private', 'private'), # to followers
+    ]
+
+    privilage = models.CharField(
+        max_length=8,
+        choices=GROUP_PRIVILAGES,
+        default='public',
+    )
+
+
diff --git a/khaikang/settings.py b/khaikang/settings.py
index e86d144..18377a9 100644
--- a/khaikang/settings.py
+++ b/khaikang/settings.py
@@ -31,6 +31,7 @@ DEBUG = True
 # Application definition
 
 INSTALLED_APPS = [
+    'khaikang',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
@@ -54,7 +55,7 @@ ROOT_URLCONF = 'khaikang.urls'
 TEMPLATES = [
     {
         'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [],
+        'DIRS': ['templates',],
         'APP_DIRS': True,
         'OPTIONS': {
             'context_processors': [
@@ -122,3 +123,6 @@ STATIC_ROOT = '/home/kiantin1/public_html/khaikang/static/'
 # https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field
 
 DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+# automatically redirect to home page (/home) after login.
+LOGIN_REDIRECT_URL = '/home'
\ No newline at end of file
diff --git a/khaikang/urls.py b/khaikang/urls.py
index 75da5d0..9f14fc4 100644
--- a/khaikang/urls.py
+++ b/khaikang/urls.py
@@ -16,8 +16,10 @@ Including another URLconf
 from django.contrib import admin
 from django.urls import path
 from django.urls import include
+from . import views
 
 urlpatterns = [
     path('admin/', admin.site.urls),
-    path('account/', include('django.contrib.auth.urls')),
+    path('accounts/', include('django.contrib.auth.urls')),
+    path('home/',  views.home, name='home'),
 ]
diff --git a/khaikang/views.py b/khaikang/views.py
new file mode 100644
index 0000000..59ae0ec
--- /dev/null
+++ b/khaikang/views.py
@@ -0,0 +1,16 @@
+
+from django.http import HttpResponse
+from django.template import loader
+from .models import User, Post 
+
+def home(request):
+    public_timeline_list = Post.objects.filter(privilage = 'public')[:10]
+
+    print(public_timeline_list)
+
+    template = loader.get_template('index.html')
+
+    context = {
+        'latest_question_list': public_timeline_list,
+    }
+    return HttpResponse(template.render(context, request))
\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
new file mode 100644
index 0000000..13dd62f
--- /dev/null
+++ b/templates/index.html
@@ -0,0 +1,12 @@
+{% extends "base_generic.html" %}
+
+{% block content %}
+<form method="POST" id="posting-form">
+    {% csrf_token %}
+    <div class="posting-form-group">
+      <label>Post</label>
+      <input type="text" class="form-post" id="post_text" placeholder="What do you want to post?">
+    </div>
+     <button type="submit_post" class="btn">Post!</button>
+  </form>
+{% endblock %}
\ No newline at end of file
diff --git a/templates/registration/login.html b/templates/registration/login.html
new file mode 100644
index 0000000..6024127
--- /dev/null
+++ b/templates/registration/login.html
@@ -0,0 +1,39 @@
+{% extends "base_generic.html" %}
+
+
+{% block content %}
+
+{% if form.errors %}
+  <p>Your username and password didn't match. Please try again.</p>
+{% endif %}
+
+
+  {% if user.is_authenticated %}
+    <p>You don't have to log in again since you have logged in.</p>
+    <p><a href="/home">Go to main page.</a></p>
+  {% else %}
+    <p>Please login:</p>
+
+
+<form method="post" action="{% url 'login' %}">
+{% csrf_token %}
+<div>
+  <td>{{ form.username.label_tag }}</td>
+  <td>{{ form.username }}</td>
+</div>
+<div>
+  <td>{{ form.password.label_tag }}</td>
+  <td>{{ form.password }}</td>
+</div>
+
+<div>
+  <input type="submit" value="login" />
+  <input type="hidden" name="next" value="{{ next }}" />
+</div>
+</form>
+
+{# Assumes you setup the password_reset view in your URLconf #}
+<p><a href="{% url 'password_reset' %}">Lost password?</a></p>
+
+{% endif %}
+{% endblock %}
\ No newline at end of file