diff --git a/src/AliOssAdapter.php b/src/AliOssAdapter.php
index 24ae2b1..f29fbf4 100644
--- a/src/AliOssAdapter.php
+++ b/src/AliOssAdapter.php
@@ -111,7 +111,7 @@ public function __construct(
         $this->endPoint = $endPoint;
         $this->ssl = $ssl;
         $this->isCname = $isCname;
-        $this->cdnDomain = $cdnDomain
+        $this->cdnDomain = $cdnDomain;
         $this->options = array_merge($this->options, $options);
     }