fix README.md

README.md

@@ -3,7 +3,7 @@
 [![Build Status](https://github.com/ucloud/ucloud-sdk-php/workflows/build/badge.svg)](https://github.com/ucloud/ucloud-sdk-php/actions)
 [![CodeCov](https://codecov.io/gh/ucloud/ucloud-sdk-php/branch/master/graph/badge.svg)](https://codecov.io/gh/ucloud/ucloud-sdk-php)
 [![PHPv](https://img.shields.io/github/v/release/ucloud/ucloud-sdk-php?include_prereleases)](http://www.php.net)
-[![Downloads](https://img.shields.io/packagist/dt/ucloud-sdks/ucloud-sdk-php.svg?style=flat)](https://packagist.org/packages/ucloud-sdks/ucloud-sdk-php)
+[![Downloads](https://img.shields.io/packagist/dt/ucloud/ucloud-sdk-php.svg?style=flat)](https://packagist.org/packages/ucloud/ucloud-sdk-php)
 [![Apache 2 License](https://img.shields.io/packagist/l/aws/aws-sdk-php.svg?style=flat)](http://aws.amazon.com/apache-2-0/)
 
 ## Chinese Guide