diff --git a/src/CosAdapter.php b/src/CosAdapter.php
index 7ad81ff..2e384ab 100644
--- a/src/CosAdapter.php
+++ b/src/CosAdapter.php
@@ -409,7 +409,7 @@ public function listContents($directory = '', $recursive = false)
 
         $response = $this->listObjects($directory, $recursive);
 
-        foreach ((array) $response->get('Contents') as $content) {
+        foreach ((array) $response['Contents'] as $content) {
             $list[] = $this->normalizeFileInfo($content);
         }