diff --git a/WeChat/Contracts/BasicAliPay.php b/WeChat/Contracts/BasicAliPay.php
index 360d321..cce79b9 100644
--- a/WeChat/Contracts/BasicAliPay.php
+++ b/WeChat/Contracts/BasicAliPay.php
@@ -93,6 +93,7 @@ abstract class BasicAliPay
      * @param string $out_trade_no
      * @return array|boolean
      * @throws InvalidResponseException
+     * @throws \WeChat\Exceptions\LocalCacheException
      */
     public function query($out_trade_no = '')
     {
@@ -106,6 +107,7 @@ abstract class BasicAliPay
      * @param null $refund_amount 退款金额
      * @return array|boolean
      * @throws InvalidResponseException
+     * @throws \WeChat\Exceptions\LocalCacheException
      */
     public function refund($options, $refund_amount = null)
     {
@@ -119,6 +121,7 @@ abstract class BasicAliPay
      * @param array|string $options
      * @return array|boolean
      * @throws InvalidResponseException
+     * @throws \WeChat\Exceptions\LocalCacheException
      */
     public function close($options)
     {
@@ -210,6 +213,7 @@ abstract class BasicAliPay
      * @param array $options
      * @return array|boolean
      * @throws InvalidResponseException
+     * @throws \WeChat\Exceptions\LocalCacheException
      */
     protected function getResult($options)
     {
diff --git a/WeChat/Contracts/Tools.php b/WeChat/Contracts/Tools.php
index 974b028..b919e5c 100644
--- a/WeChat/Contracts/Tools.php
+++ b/WeChat/Contracts/Tools.php
@@ -274,8 +274,9 @@ class Tools
             $build = false;
         } elseif (is_object($value) && isset($value->datatype) && $value->datatype === 'MY_CURL_FILE') {
             $build = false;
-            $data[$key] = ($myCurlFile = new MyCurlFile((array)$value))->get();
-            array_push(self::$cache_curl, $myCurlFile->tempname);
+            $mycurl = new MyCurlFile((array)$value);
+            $data[$key] = $mycurl->get();
+            array_push(self::$cache_curl, $mycurl->tempname);
         } elseif (is_string($value) && class_exists('CURLFile', false) && stripos($value, '@') === 0) {
             if (($filename = realpath(trim($value, '@'))) && file_exists($filename)) {
                 $build = false;
diff --git a/WePay/Bill.php b/WePay/Bill.php
index 383da63..4c853c7 100644
--- a/WePay/Bill.php
+++ b/WePay/Bill.php
@@ -30,7 +30,8 @@ class Bill extends BasicWePay
      * @param array $options 静音参数
      * @param null|string $outType 输出类型
      * @return bool|string
-     * @throws \WeChat\Exceptions\InvalidResponseException
+     * @throws InvalidResponseException
+     * @throws \WeChat\Exceptions\LocalCacheException
      */
     public function download(array $options, $outType = null)
     {