diff --git a/src/Gateways/Alipay/Support.php b/src/Gateways/Alipay/Support.php
index 5b1a59d..8004933 100644
--- a/src/Gateways/Alipay/Support.php
+++ b/src/Gateways/Alipay/Support.php
@@ -446,6 +446,6 @@ class Support
             }
         }
 
-        return $dec;
+        return str_replace('.00', '', $dec);
     }
 }