diff --git a/pages/popup.html b/pages/popup.html
index 3eaf774..85f0eac 100644
--- a/pages/popup.html
+++ b/pages/popup.html
@@ -53,7 +53,7 @@
         <div class="llm-input-bar">
           <textarea id="llmInput" rows="1" placeholder="请输入您的问题..."></textarea>
           <button id="llmSendBtn">发送</button>
-          <button id="clearLlmHistoryBtn" title="清空智能助手历史" style="margin-left:8px;">🗑️</button>
+          <img id="clearLlmHistoryBtn" src="../assets/delete.png" title="清空智能助手历史" class="delete-icon" />
         </div>
       </div>
     </div>