diff --git a/app/Services/WechatPayService.php b/app/Services/WechatPayService.php
index fb0a0e2..bc519a8 100644
--- a/app/Services/WechatPayService.php
+++ b/app/Services/WechatPayService.php
@@ -134,8 +134,8 @@ class WechatPayService
     {
         // 检查必要头是否存在
         if (
-            empty($headers['timestamp']) || empty($headers['nonce']) ||
-            empty($headers['signature']) || empty($headers['serial'])
+            empty($headers['wechatpay-timestamp']) || empty($headers['wechatpay-nonce']) ||
+            empty($headers['wechatpay-signature']) || empty($headers['wechatpay-serial'])
         ) {
             Log::error('请求头参数确实');
             return false;
@@ -148,8 +148,8 @@ class WechatPayService
         // }
 
         // 构造验签名串：timestamp + \n + nonce + \n + body + \n
-        $signStr = $headers['timestamp'] . "\n"
-            . $headers['nonce'] . "\n"
+        $signStr = $headers['wechatpay-timestamp'] . "\n"
+            . $headers['wechatpay-nonce'] . "\n"
             . json_encode($body) . "\n";
 
         // 加载微信支付平台公钥
@@ -160,7 +160,7 @@ class WechatPayService
         }
 
         // Base64 解码签名
-        $signature = base64_decode($headers['signature']);
+        $signature = base64_decode($headers['wechatpay-signature']);
 
         // 验证签名
         $result = openssl_verify($signStr, $signature, $publicKey, OPENSSL_ALGO_SHA256);