diff --git a/ChatBot/templates/index.html b/ChatBot/templates/index.html
index 8f67d22..4627437 100644
--- a/ChatBot/templates/index.html
+++ b/ChatBot/templates/index.html
@@ -2,28 +2,131 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Chatbot</title>
     <style>
+        * {
+            box-sizing: border-box;
+            margin: 0;
+            padding: 0;
+        }
+        body {
+            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
+            background-color: #f5f5f5;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            min-height: 100vh;
+            padding: 20px;
+        }
+        .chat-wrapper {
+            width: 800px;
+            height: 600px;
+            background-color: #fff;
+            border-radius: 12px;
+            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
+            display: flex;
+            flex-direction: column;
+            overflow: hidden;
+        }
+        .chat-header {
+            background-color: #4a90d9;
+            color: white;
+            padding: 16px 20px;
+            font-size: 18px;
+            font-weight: 600;
+        }
         .chat-container {
-            max-height: 3000px; /* 设置对话框的最大高度 */
-            overflow-y: auto; /* 当内容溢出时添加垂直滚动条 */
+            flex: 1;
+            overflow-y: auto;
+            padding: 20px;
+            background-color: #f9f9f9;
+        }
+        .message {
+            margin-bottom: 16px;
+            padding: 12px 16px;
+            border-radius: 8px;
+            max-width: 80%;
+            word-wrap: break-word;
+        }
+        .message.user {
+            background-color: #4a90d9;
+            color: white;
+            margin-left: auto;
+            text-align: right;
+        }
+        .message.assistant {
+            background-color: #e8e8e8;
+            color: #333;
+            margin-right: auto;
+        }
+        .message-label {
+            font-size: 12px;
+            font-weight: 600;
+            margin-bottom: 4px;
+            opacity: 0.8;
+        }
+        .input-area {
+            padding: 16px 20px;
+            background-color: #fff;
+            border-top: 1px solid #e0e0e0;
+        }
+        form {
+            display: flex;
+            gap: 12px;
+        }
+        #user_input {
+            flex: 1;
+            padding: 12px 16px;
+            border: 1px solid #ddd;
+            border-radius: 8px;
+            font-size: 14px;
+            outline: none;
+            transition: border-color 0.2s;
+        }
+        #user_input:focus {
+            border-color: #4a90d9;
+        }
+        input[type="submit"] {
+            padding: 12px 24px;
+            background-color: #4a90d9;
+            color: white;
+            border: none;
+            border-radius: 8px;
+            font-size: 14px;
+            font-weight: 600;
+            cursor: pointer;
+            transition: background-color 0.2s;
+        }
+        input[type="submit"]:hover {
+            background-color: #3a7bc8;
         }
     </style>
 </head>
 <body>
-<div class="chat-container">
-    {% for item in history %}
-        {% if item.role == 'user' %}
-            <p>User: {{ item.content }}</p>
-        {% elif item.role == 'system' %}
-            <p>Bot: {{ item.content }}</p>
-        {% endif %}
-    {% endfor %}
+<div class="chat-wrapper">
+    <div class="chat-header">ChatBot</div>
+    <div class="chat-container">
+        {% for item in history %}
+            {% if item.role == 'user' %}
+                <div class="message user">
+                    <div class="message-label">You</div>
+                    <div>{{ item.content }}</div>
+                </div>
+            {% elif item.role == 'assistant' %}
+                <div class="message assistant">
+                    <div class="message-label">Bot</div>
+                    <div>{{ item.content }}</div>
+                </div>
+            {% endif %}
+        {% endfor %}
+    </div>
+    <div class="input-area">
+        <form action="/" method="post">
+            <input type="text" id="user_input" name="user_input" placeholder="Type your message..." required>
+            <input type="submit" value="Send">
+        </form>
+    </div>
 </div>
-<form action="/" method="post">
-    <label for="user_input">User Input:</label><br>
-    <input type="text" id="user_input" name="user_input" required><br>
-    <input type="submit" value="Submit">
-</form>
 </body>
 </html>
\ No newline at end of file
