diff --git a/app/common.php b/app/common.php
index 06befa5..f573bae 100644
--- a/app/common.php
+++ b/app/common.php
@@ -450,19 +450,25 @@ function http_request($url, $data = null, $referer = null, $cookie = null, $head
                     }
                 }
             } else if (is_array($data) || is_object($data)) {
-                if (!isset($options['headers']['Content-Type'])) {
-                    // 默认为表单
-                    $options['headers']['Content-Type'] = 'application/x-www-form-urlencoded';
-                }
-                if ($options['headers']['Content-Type'] == 'application/x-www-form-urlencoded') {
-                    // 表单
-                    $options['form_params'] = $data;
-                } else if ($options['headers']['Content-Type'] == 'application/json') {
-                    // json
-                    $options['json'] = $data;
+                if ($options['headers']['X-Content-Type'] == 'multipart/form-data') {
+                    // 表单文件
+                    unset($options['headers']['X-Content-Type'])
+                    $options['multipart'] = $data;
                 } else {
-                    // 其他
-                    $options['body'] = http_build_query($data);
+                    if (!isset($options['headers']['Content-Type'])) {
+                        // 默认为表单
+                        $options['headers']['Content-Type'] = 'application/x-www-form-urlencoded';
+                    }
+                    if ($options['headers']['Content-Type'] == 'application/x-www-form-urlencoded') {
+                        // 表单
+                        $options['form_params'] = $data;
+                    } else if ($options['headers']['Content-Type'] == 'application/json') {
+                        // json
+                        $options['json'] = $data;
+                    } else {
+                        // 其他
+                        $options['body'] = http_build_query($data);
+                    }
                 }
             } else {
                 $options['body'] = $data;
diff --git a/app/lib/deploy/synology.php b/app/lib/deploy/synology.php
index 2d2ee63..f9b3f5c 100644
--- a/app/lib/deploy/synology.php
+++ b/app/lib/deploy/synology.php
@@ -109,19 +109,30 @@ class synology implements DeployInterface
             '_sid' => $this->token['sid'],
             'SynoToken' => $this->token['synotoken'],
         ];
-        $privatekey_file = tempnam(sys_get_temp_dir(), 'privatekey');
-        file_put_contents($privatekey_file, $privatekey);
-        $fullchain_file = tempnam(sys_get_temp_dir(), 'fullchain');
-        file_put_contents($fullchain_file, $fullchain);
-        $post = [
-            'key' => new \CURLFile($privatekey_file),
-            'cert' => new \CURLFile($fullchain_file),
-            'id' => $id,
-            'desc' => $config['desc'],
+        $headers = [
+            'X-Content-Type' => 'multipart/form-data'
         ];
-        $response = http_request($url . '?' . http_build_query($params), $post, null, null, null, $this->proxy, null, 15);
-        unlink($privatekey_file);
-        unlink($fullchain_file);
+        $post = [
+            [
+                'name' => 'key',
+                'filename' => 'key.pem',
+                'contents' => $privatekey
+            ],
+            [
+                'name' => 'cert',
+                'filename' => 'cert.pem',
+                'contents' => $fullchain
+            ],
+            [
+                'name' => 'id',
+                'contents' => $id
+            ],
+            [
+                'name' => 'desc',
+                'contents' => $config['desc']
+            ]
+        ];
+        $response = http_request($url . '?' . http_build_query($params), $post, null, null, $headers, $this->proxy, null, 15);
         $result = json_decode($response['body'], true);
         if ($id) {
             if (isset($result['success']) && $result['success']) {