diff --git a/css/chat.css b/css/chat.css
index 968a4ff..6417595 100644
--- a/css/chat.css
+++ b/css/chat.css
@@ -4,7 +4,6 @@
     left: 0;
     width: 100%;
     background: #fff;
-    padding: 10px;
     box-shadow: 0 -2px 5px #fff;
     display: flex;
     flex-direction: column;
diff --git a/index.html b/index.html
index 4bf536c..6339369 100644
--- a/index.html
+++ b/index.html
@@ -54,8 +54,7 @@
         
         <div class="input-row">
           <!-- 改用 onclick，顺带阻止冒泡 -->
-          <input type="text" id="userInput" placeholder="输入你的消息..."
-                 onclick="openChat(event)" />
+          <input type="text" id="userInput" placeholder="输入你的消息..." onclick="openChat(event)" />
           <button onclick="sendMessage()">发送</button>
         </div>
       </div>