diff --git a/WeChat/Contracts/MyCurlFile.php b/WeChat/Contracts/MyCurlFile.php
new file mode 100644
index 0000000..291c27e
--- /dev/null
+++ b/WeChat/Contracts/MyCurlFile.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace WeChat\Contracts;
+
+/**
+ * 自定义CURL文件类
+ * Class MyCurlFile
+ * @package WeChat\Contracts
+ */
+class MyCurlFile extends \stdClass
+{
+
+    /**
+     * MyCurlFile constructor.
+     * @param $filename
+     * @param string $mimetype
+     * @param string $postname
+     * @throws \WeChat\Exceptions\LocalCacheException
+     */
+    public function __construct($filename, $mimetype = '', $postname = '')
+    {
+
+        $this->mimetype = $mimetype;
+        $this->postname = $postname;
+        $this->content = base64_encode(file_get_contents($filename));
+        $this->extension = pathinfo($filename, PATHINFO_EXTENSION);
+        if (empty($this->extension)) $this->extension = 'tmp';
+        if (empty($this->mimetype)) $this->mimetype = Tools::getExtMine($this->extension);
+        if (empty($this->postname)) $this->postname = pathinfo($filename, PATHINFO_BASENAME);
+    }
+
+    /**
+     * 获取文件信息
+     * @return \CURLFile|string
+     * @throws \WeChat\Exceptions\LocalCacheException
+     */
+    public function get()
+    {
+        $this->tempname = rand(100000, 999999) . ".{$this->extension}";
+        $this->filename = Tools::pushFile($this->tempname, base64_decode($this->content));
+        if (class_exists('CURLFile')) {
+            return new \CURLFile($this->filename, $this->mimetype, $this->postname);
+        }
+        return "@{$this->tempname};filename={$this->postname};type={$this->mimetype}";
+    }
+
+    /**
+     * 类销毁处理
+     */
+    public function __destruct()
+    {
+        Tools::delCache($this->tempname);
+    }
+
+}
\ No newline at end of file
diff --git a/WeChat/Contracts/Tools.php b/WeChat/Contracts/Tools.php
index 40e2371..1037836 100644
--- a/WeChat/Contracts/Tools.php
+++ b/WeChat/Contracts/Tools.php
@@ -50,7 +50,7 @@ class Tools
 
     /**
      * 根据文件后缀获取文件MINE
-     * @param array $ext 文件后缀
+     * @param string|array $ext 文件后缀
      * @param array $mine 文件后缀MINE信息
      * @return string
      * @throws LocalCacheException