diff --git a/examples/global-demo.html b/examples/global-demo.html
index 2f7d0a4..97df56c 100644
--- a/examples/global-demo.html
+++ b/examples/global-demo.html
@@ -4,14 +4,14 @@
 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>SDK 鍏ㄥ眬鎸傝浇鍔犺浇绀轰緥</title>
+  <title>SDK 全局挂载加载示例</title>
 </head>
 
 <body>
   <canvas id="renderDom"></canvas>
 
-  <!-- 闈炴ā鍧楀寲锛氫娇鐢ㄥ叏灞€鏋勫缓浜х墿锛屽姞杞藉悗鍙€氳繃 window.faceSDK.kernel 璋冪敤 -->
-  <!-- 閮ㄧ讲鍚庢妸 src 鏀规垚瀹為檯璁块棶璺緞锛屽 https://doc.zguiy.com/sdk/zt/assets/index.global.js -->
+  <!-- 非模块化：使用全局构建产物，加载后可通过 window.faceSDK.kernel 调用 -->
+  <!-- 部署后把 src 改成实际访问路径，如 https://doc.zguiy.com/sdk/zt/assets/index.global.js -->
   <script src="https://sdk.zguiy.com/zt/assets/index.global.js"></script>
   <script>
     const config = {
@@ -20,29 +20,25 @@
       env: { hdrPath: 'https://sdk.zguiy.com/resurces/hdr/hdr.env', intensity: 1.2, rotationY: 0.3 },
     };
 
-    const kernel = window.faceSDK && window.faceSDK.kernel;
+    const sdkKernel = window.faceSDK && window.faceSDK.kernel;
 
+    if (!sdkKernel) {
+      console.error('faceSDK kernel is not available. Confirm index.global.js loaded correctly.');
+    } else {
+      sdkKernel.init(config);
 
-    kernel.init(config);
-
-
-    kernel.on('model:load:progress', (data) => {
-      console.log('妯″瀷鍔犺浇浜嬩欢', data);
-    });
-
-
-
-    kernel.on('model:loaded', (data) => {
-      console.log('妯″瀷鍔犺浇瀹屾垚', data);
-    });
-
-
-
-    kernel.on('model:click', (data) => {
-      console.log('妯″瀷鐐瑰嚮浜嬩欢', data);
-    });
+      sdkKernel.on('model:load:progress', (data) => {
+        console.log('模型加载事件', data);
+      });
 
+      sdkKernel.on('model:loaded', (data) => {
+        console.log('模型加载完成', data);
+      });
 
+      sdkKernel.on('model:click', (data) => {
+        console.log('模型点击事件', data);
+      });
+    }
   </script>
 </body>
 
