diff --git a/v2/aop/AlipayConfig.php b/v2/aop/AlipayConfig.php
index de7629f9f1..5adfccf057 100644
--- a/v2/aop/AlipayConfig.php
+++ b/v2/aop/AlipayConfig.php
@@ -1,4 +1,3 @@
-
 <?php
 class AlipayConfig {
     /**
@@ -194,4 +193,4 @@ public function setSkipSign(bool $skipSign)
     {
         $this->skipSign = $skipSign;
     }
-}
\ No newline at end of file
+}