修复聊天框弹出bug

index.html

@@ -53,10 +53,12 @@
         <div id="chatContainer" class="chat-box hide"></div>
         
         <div class="input-row">
-            <input type="text" id="userInput" placeholder="输入你的消息..." onfocus="toggleChat(true)">
-            <button onclick="sendMessage()">发送</button>
+          <!-- 改用 onclick，顺带阻止冒泡 -->
+          <input type="text" id="userInput" placeholder="输入你的消息..."
+                 onclick="openChat(event)" />
+          <button onclick="sendMessage()">发送</button>
         </div>
-    </div>
+      </div>
 
     <footer>
         <p>&copy; 2025 DreamLife 版权所有</p>