diff --git a/templates/index.html b/templates/index.html
index 5d22766..d091ddf 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -117,7 +117,7 @@
             <div style="display: flex; justify-content: space-between; align-items: center;">
                 <p>PythonOCC 可用: {{ pythonocc_available }} | 服务版本: 3.0.0</p>
                 <div>
-                    <button class="upload-btn" onclick="goToHistory()" style="background: #666; margin-left: 10px;">
+                    <button class="upload-btn" onclick="goToHistory()" style="background: linear-gradient(135deg, #666, #555); margin-left: 10px;">
                         📋 查看历史记录
                     </button>
                 </div>