diff --git a/AliPay/Bill.php b/AliPay/Bill.php
index ed3c981..80c5b8b 100644
--- a/AliPay/Bill.php
+++ b/AliPay/Bill.php
@@ -36,7 +36,7 @@ class Bill extends BasicAliPay
     /**
      * 创建数据操作
      * @param array $options
-     * @return mixed
+     * @return array|bool
      * @throws \WeChat\Exceptions\InvalidResponseException
      * @throws \WeChat\Exceptions\LocalCacheException
      */
diff --git a/AliPay/Pos.php b/AliPay/Pos.php
index bb43cec..c82e283 100644
--- a/AliPay/Pos.php
+++ b/AliPay/Pos.php
@@ -37,7 +37,7 @@ class Pos extends BasicAliPay
     /**
      * 创建数据操作
      * @param array $options
-     * @return mixed
+     * @return array|bool
      * @throws \WeChat\Exceptions\InvalidResponseException
      * @throws \WeChat\Exceptions\LocalCacheException
      */
diff --git a/AliPay/Scan.php b/AliPay/Scan.php
index 85bfc70..0ecf4b0 100644
--- a/AliPay/Scan.php
+++ b/AliPay/Scan.php
@@ -36,7 +36,7 @@ class Scan extends BasicAliPay
     /**
      * 创建数据操作
      * @param array $options
-     * @return mixed
+     * @return array|bool
      * @throws \WeChat\Exceptions\InvalidResponseException
      * @throws \WeChat\Exceptions\LocalCacheException
      */
diff --git a/AliPay/Trade.php b/AliPay/Trade.php
index 0438f3e..b1aac3f 100644
--- a/AliPay/Trade.php
+++ b/AliPay/Trade.php
@@ -69,7 +69,7 @@ class Trade extends BasicAliPay
     /**
      * 执行通过接口
      * @param array $options
-     * @return array|boolean|mixed
+     * @return array|boolean
      * @throws \WeChat\Exceptions\InvalidResponseException
      * @throws \WeChat\Exceptions\LocalCacheException
      */