diff --git a/composer.json b/composer.json
index 3f21eca..e67b097 100755
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
 		"mtdowling/jmespath.php": "^2.4",
 		"adbario/php-dot-notation": "^2.2",
 		"alibabacloud/tea": "^3.1",
-		"alibabacloud/tea-fileform": "^3.2",
+		"alibabacloud/tea-fileform": "^0.3.2",
 		"phpunit/phpunit": "^7.5"
     },
 	"repositories":{
diff --git a/php/README.md b/php/README.md
index 33319a7..d42a0fb 100644
--- a/php/README.md
+++ b/php/README.md
@@ -32,7 +32,7 @@ Alipay Easy SDK主要目标是提升开发者在**服务端**集成支付宝开
 ## 安装依赖
 ### 通过[Composer](https://packagist.org/packages/alipaysdk/easysdk/)在线安装依赖（推荐）
 
-`composer require alipaysdk/easysdk:^1.0`
+`composer require alipaysdk/easysdk:1.1.0`
 
 ### 本地手动集成依赖（适用于自己修改源码后的本地重新打包安装）
 1. 本机安装配置[Composer](https://getcomposer.org/)工具。