diff --git a/WeChat/Contracts/Tools.php b/WeChat/Contracts/Tools.php
index fe3882e..8209cae 100644
--- a/WeChat/Contracts/Tools.php
+++ b/WeChat/Contracts/Tools.php
@@ -360,6 +360,11 @@ class Tools
             $mycurl = new MyCurlFile((array)$value);
             $data[$key] = $mycurl->get();
             array_push(self::$cache_curl, $mycurl->tempname);
+        } elseif (is_array($value) && isset($value['datatype']) && $value['datatype'] === 'MY_CURL_FILE') {
+            $build = false;
+            $mycurl = new MyCurlFile($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)) {
                 $build = false;
@@ -458,4 +463,4 @@ class Tools
         file_exists(self::$cache_path) || mkdir(self::$cache_path, 0755, true);
         return self::$cache_path . $name;
     }
-}
\ No newline at end of file
+}