diff --git a/index.html b/index.html
index 04b149d..9436a25 100644
--- a/index.html
+++ b/index.html
@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="devtools" content="no">
     <title>Air Captcha Demo</title>
-    <script src="https://captcha.xyehr.cn/captcha/v1/api.js" defer></script>
+    <script src="https://captcha.xyehr.cn/captcha/v1/api2.js" defer></script>
 </head>
 <body>
     <h2>Air Captcha Demo</h2>
