diff --git a/sample/restoreObject.php b/sample/restoreObject.php
index 79eeffbd..ce819549 100644
--- a/sample/restoreObject.php
+++ b/sample/restoreObject.php
@@ -13,7 +13,7 @@
             'secretId'  => $secretId ,
             'secretKey' => $secretKey)));
 try {
-    $result = $cosClient->putObject(array(
+    $result = $cosClient->restoreObject(array(
         'Bucket' => 'examplebucket-125000000', //格式：BucketName-APPID
         'Key' => 'exampleobject',
         'Days' => integer,