diff --git a/app.py b/app.py
index 3e849a2c066cd5975cf00a79bd3dd90e864c9cec..21609b8a362f12af5f8ecbb3adaa67cc23aa6954 100644
--- a/app.py
+++ b/app.py
@@ -131,7 +131,7 @@ async def thread_view(tid):
 
 @app.route('/f')
 async def forum_view():
-    fname =  request.args['kw']
+    fname =  request.args['kw'][:-1] if request.args['kw'][-1] == '吧' else request.args['kw']
     pn = int(request.args.get('pn') or 1)
     sort = int(request.args.get('sort') or 0)
 
@@ -149,6 +149,10 @@ async def forum_view():
 async def user_view():
     return 'UNDER CONSTRUCTION'
 
+@app.route('/')
+async def main_view():
+    return await render_template('index.html')
+
 ######################################################################
 
 @app.errorhandler(RuntimeError)
diff --git a/templates/index.html b/templates/index.html
new file mode 100644
index 0000000000000000000000000000000000000000..afa1a5a0b37f16bc6f2d24806bdb71ee47ab666f
--- /dev/null
+++ b/templates/index.html
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<head>
+  <title>错误 - RAT</title>
+
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+
+  <link href="/static/css/main.css" rel="stylesheet">
+
+  <style>
+    .list {
+	margin: 5% !important;
+	padding: 1% !important;
+    }
+
+    form {
+    display: flex;
+    flex-direction: row;
+    margin: 1%;
+    font-size: large;
+    }
+    
+    form > label {
+    flex-shrink: 0;
+    text-align: right;
+    }
+    
+    form > input {
+    flex-grow: 1;
+    text-align: center;
+    }
+  </style>
+</head>
+
+<body>
+  <div class="list" style="text-align: center;">
+    <div style="font-size: 10em;">
+      <a title="吱?" style="text-decoration: none;">
+	&#x1F400;
+      </a>
+    </div>
+    <h1>RAT Ain't Tieba</h1>
+    <h2>一款<a href="https://writefreesoftware.org/">尊重用户自由的</a>百度贴吧前端</h2>
+  </div>
+  <div class="list">
+    <form action="/f" method="get">
+      <label for="kw">贴吧传送门:</label>
+      <input type="text" name="kw" required />
+    </form>
+  </div>
+  <footer>
+    <div><a href="https://0xacab.org/johnxina/rat">RAT Ain't Tieba</a></div>
+    <div><a href="https://0xacab.org/johnxina/rat/-/blob/no-masters/LICENSE">自豪地以 AGPLv3 释出</a></div>
+    <div><a href="https://0xacab.org/johnxina/rat">源代码</a></div>
+  </footer>
+</body>