diff --git a/composer.json b/composer.json
index 2d8c00c..987e767 100644
--- a/composer.json
+++ b/composer.json
@@ -7,6 +7,7 @@
     },
     "require": {
         "php": ">=7.1.0",
+        "qcloud/cos-sdk-v5": ">=2.0",
         "cloudflare/sdk": "^1.1",
         "guzzlehttp/guzzle": "~6.0"
     }
diff --git a/etc/config.example.php b/etc/config.example.php
index 972f017..c9786c0 100644
--- a/etc/config.example.php
+++ b/etc/config.example.php
@@ -10,3 +10,9 @@ $globalConfig['cloudflare'] = [
 
 $globalConfig['dingtalk_token'] = 'your_token';
 
+$globalConfig['COS'] = [
+    'bucket' => 'bucket', //存储桶名称 格式：BucketName-APPID
+    'secretId' => 'secretId', //替换为用户的 secretId，请登录访问管理控制台进行查看和管理，https://console.cloud.tencent.com/cam/capi
+    'secretKey' => 'secretKey', //替换为用户的 secretKey，请登录访问管理控制台进行查看和管理，https://console.cloud.tencent.com/cam/capi
+    'region' => 'region', //替换为用户的 region，已创建桶归属的region可以在控制台查看，https://console.cloud.tencent.com/cos5/bucket
+];
diff --git a/jobs/cos.php b/jobs/cos.php
new file mode 100644
index 0000000..b615f85
--- /dev/null
+++ b/jobs/cos.php
@@ -0,0 +1,51 @@
+<?php
+
+require_once __DIR__ . '/../init.php';
+
+global $globalConfig;
+
+$bucket = $globalConfig['bucket'];
+$secretId = $globalConfig['secretId'];
+$secretKey = $globalConfig['secretKey'];
+$region = $globalConfig['region'];
+
+
+$cosClient = new Qcloud\Cos\Client(
+    array(
+        'region' => $region,
+        'schema' => 'https', //协议头部，默认为http
+        'credentials' => array(
+            'secretId' => $secretId,
+            'secretKey' => $secretKey,
+        )
+    )
+);
+
+try {
+    $result = $cosClient->listObjects(['Bucket' => $bucket]);
+    // 请求成功
+    if (isset($result['Contents'])) {
+
+        foreach ($result['Contents'] as $rt) {
+            if ($rt['StorageClass'] !== 'DEEP_ARCHIVE') {
+                $result = $cosClient->Copy(
+                    $bucket,
+                    $rt['Key'], //此处的 key 为对象键
+                    [
+                        'Region' => $region,
+                        'Bucket' => $bucket,
+                        'Key' => $rt['Key'],
+                    ],
+                    [
+                        'StorageClass' => 'DEEP_ARCHIVE'
+                    ]
+                );
+                var_dump(json_encode($result));
+            }
+        }
+    }
+} catch (\Exception $e) {
+    var_dump($e);
+}
+
+
diff --git a/jobs/ddns.php b/jobs/ddns.php
index 39d62b9..d32a819 100644
--- a/jobs/ddns.php
+++ b/jobs/ddns.php
@@ -29,7 +29,7 @@ try {
 }
 
 
-$realIp = shell_exec('curl -s ip.sb');
+$realIp = shell_exec('curl -s -4 ip.sb');
 $realIp = str_replace("\n", "", $realIp);
 
 if (!empty($realIp)) {