diff --git a/admin/head.php b/admin/head.php
index 120208e..f25fd09 100644
--- a/admin/head.php
+++ b/admin/head.php
@@ -7,7 +7,7 @@ if($admin_cdnpublic==1){
 }elseif($admin_cdnpublic==2){
 	$cdnpublic = 'https://s4.zstatic.net/ajax/libs/';
 }elseif($admin_cdnpublic==4){
-	$cdnpublic = '//lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/';
+	$cdnpublic = '//cdnjs.cloudflare.com/ajax/libs/';
 }else{
 	$cdnpublic = '//mirrors.sustech.edu.cn/cdnjs/ajax/libs/';
 }
diff --git a/includes/common.php b/includes/common.php
index 063c354..dc2e442 100644
--- a/includes/common.php
+++ b/includes/common.php
@@ -91,7 +91,7 @@ if($conf['cdnpublic']==1){
 }elseif($conf['cdnpublic']==2){
 	$cdnpublic = 'https://s4.zstatic.net/ajax/libs/';
 }elseif($conf['cdnpublic']==4){
-	$cdnpublic = '//lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/';
+	$cdnpublic = '//cdnjs.cloudflare.com/ajax/libs/';
 }else{
 	$cdnpublic = '//mirrors.sustech.edu.cn/cdnjs/ajax/libs/';
 }
diff --git a/includes/pages/verify_slide.php b/includes/pages/verify_slide.php
index 5eb554a..7b1cf06 100644
--- a/includes/pages/verify_slide.php
+++ b/includes/pages/verify_slide.php
@@ -46,7 +46,7 @@ Element.prototype.appendChild = function() {
     return window.appendChildOrg.apply(this, arguments);
 };
 initGeetest4({
-    captchaId: "54088bb07d2df3c46b79f80300b0abbe",
+    captchaId: "e8df55d3ec2c40cd8b7a236be3e4ba9c",
     product: 'bind',
     protocol: 'https://',
     riskType: 'slide',
diff --git a/user/ajax.php b/user/ajax.php
index 8949e0e..ba7e95c 100644
--- a/user/ajax.php
+++ b/user/ajax.php
@@ -128,7 +128,7 @@ case 'connect':
 break;
 case 'captcha':
 	if($conf['captcha_version'] == '1'){
-		$captcha_id = !empty($conf['captcha_id'])?$conf['captcha_id']:'54088bb07d2df3c46b79f80300b0abbe';
+		$captcha_id = !empty($conf['captcha_id'])?$conf['captcha_id']:'e8df55d3ec2c40cd8b7a236be3e4ba9c';
 		$result = ['success'=>1, 'gt'=>$captcha_id, 'version'=>1];
 	}else{
 		$GtSdk = new \lib\GeetestLib($conf['captcha_id'], $conf['captcha_key']);