diff --git a/src/__init__.py b/src/__init__.py
index e9dc5a4..133cb4e 100644
--- a/src/__init__.py
+++ b/src/__init__.py
@@ -22,10 +22,13 @@ def create_app(test_config=None):
         pass
 
     @app.route('/')
-    def hello():
+    def index():
         return render_template("index.html")
     from . import db
     db.init_app(app)
     from . import auth
     app.register_blueprint(auth.bp)
+    from . import admin
+    app.register_blueprint(admin.bp)
+    app.add_url_rule("/admin", endpoint="admin.index")
     return app
\ No newline at end of file
diff --git a/src/admin.py b/src/admin.py
new file mode 100644
index 0000000..7149199
--- /dev/null
+++ b/src/admin.py
@@ -0,0 +1,14 @@
+from flask import (
+    Blueprint, flash, g, redirect, render_template, request, url_for
+)
+from werkzeug.exceptions import abort
+
+from src.auth import admin_login_required
+from src.db import get_db
+
+bp = Blueprint('admin', __name__, url_prefix='/admin')
+
+@bp.route('/')
+@admin_login_required
+def index():
+    return render_template("admin/index.html")
\ No newline at end of file
diff --git a/src/auth.py b/src/auth.py
index 0e816a9..f7278f0 100644
--- a/src/auth.py
+++ b/src/auth.py
@@ -46,7 +46,7 @@ def loginadmin():
         if error is None:
             session.clear()
             session['user_id'] = 0
-            return redirect(url_for('admin'))
+            return redirect(url_for('admin.index'))
         flash(error)
     return render_template('auth/loginadmin.html')
 
@@ -60,6 +60,9 @@ def load_logged_in_user():
 
     if user_id is None:
         g.user = None
+    elif user_id == 0:
+        g.user = {'user_id':0, 'user_name': 'admin'}
+         # use id=0 to refer to admin
     else:
         g.user = get_db().execute(
             'SELECT * FROM user WHERE user_id = ?', (user_id,)
@@ -79,4 +82,15 @@ def login_required(view):
 
         return view(**kwargs)
 
+    return wrapped_view
+
+def admin_login_required(view):
+    @functools.wraps(view)
+    def wrapped_view(**kwargs):
+        if g.user is None:
+            return redirect(url_for('auth.loginadmin'))
+        elif g.user['user_id'] != 0:
+            return redirect(url_for('index'))
+        return view(**kwargs)
+
     return wrapped_view
\ No newline at end of file
diff --git a/src/templates/admin/index.html b/src/templates/admin/index.html
new file mode 100644
index 0000000..d2abfa3
--- /dev/null
+++ b/src/templates/admin/index.html
@@ -0,0 +1,9 @@
+{% extends 'base.html' %}
+
+{% block header %}
+  <h1>{% block title %}管理主页{% endblock %}</h1>
+{% endblock %}
+
+{% block content %}
+  <p> lalala </p>
+{% endblock %}
\ No newline at end of file