diff --git a/src/bytedesk-integration/config/bytedesk.config.js b/src/bytedesk-integration/config/bytedesk.config.js
index a5676304..9d12247e 100644
--- a/src/bytedesk-integration/config/bytedesk.config.js
+++ b/src/bytedesk-integration/config/bytedesk.config.js
@@ -35,6 +35,13 @@ export const bytedeskConfig = {
     subtitle: '点击咨询', // 副标题
   },
 
+  // 按钮大小配置
+  buttonConfig: {
+    show: true,
+    width: 40,
+    height: 40,
+  },
+
   // 主题配置
   theme: {
     mode: 'system', // light | dark | system
diff --git a/src/components/PerformancePanel.tsx b/src/components/PerformancePanel.tsx
index c286c9af..b63a67a3 100644
--- a/src/components/PerformancePanel.tsx
+++ b/src/components/PerformancePanel.tsx
@@ -100,7 +100,7 @@ export const PerformancePanel: React.FC = () => {
         aria-label="Open performance panel"
         icon={<MdSpeed />}
         position="fixed"
-        bottom="20px"
+        bottom="100px"
         right="20px"
         colorScheme="blue"
         size="lg"
diff --git a/src/styles/bytedesk-override.css b/src/styles/bytedesk-override.css
index 2e705635..884a6651 100644
--- a/src/styles/bytedesk-override.css
+++ b/src/styles/bytedesk-override.css
@@ -23,6 +23,10 @@ iframe[src*="/chat/"],
 iframe[src*="/visitor/"] {
   position: fixed !important;
   z-index: 999999 !important;
+  max-height: 80vh !important;  /* 限制最大高度为视口的80% */
+  max-width: 40vh !important;  /* 限制最大高度为视口的80% */
+  bottom: 10px !important;      /* 确保底部有足够空间 */
+  right: 10px !important;       /* 右侧边距 */
 }
 
 /* Bytedesk 覆盖层（如果存在） */
@@ -37,16 +41,6 @@ iframe[src*="/visitor/"] {
   z-index: 1000000 !important;
 }
 
-/* ========== H5 端客服组件整体缩小 ========== */
-@media (max-width: 768px) {
-  /* 整个客服容器缩小（包括按钮和提示框） */
-  [class*="bytedesk"],
-  [id*="bytedesk"],
-  [class*="BytedeskWeb"] {
-    transform: scale(0.7) !important;
-    transform-origin: bottom right !important;
-  }
-}
 
 /* ========== 提示框 3 秒后自动消失 ========== */
 /* 提示框（"在线客服 点击咨询"气泡）- 扩展选择器 */