diff --git a/extend/catcher/Utils.php b/extend/catcher/Utils.php
index ffe9a7c..a83c613 100644
--- a/extend/catcher/Utils.php
+++ b/extend/catcher/Utils.php
@@ -1,6 +1,8 @@
 <?php
 namespace catcher;
 
+use catcher\exceptions\FailedException;
+use think\file\UploadedFile;
 use think\helper\Str;
 
 class Utils
@@ -49,6 +51,29 @@ class Utils
         }
 
         return array_merge($search, $params);
+    }
 
+  /**
+   * 获取云存储的域名
+   *
+   * @time 2020年01月25日
+   * @param $driver
+   * @return string
+   */
+    public static function getCloudDomain($driver): ?string
+    {
+        $driver = \config('filesystem.disks.' . $driver);
+
+        switch ($driver) {
+          case CatchUpload::QIQNIU:
+          case CatchUpload::LOCAL:
+               return $driver['domain'];
+          case CatchUpload::OSS:
+                return $driver['end_point'];
+          case CatchUpload::QCLOUD:
+               return $driver['cdn'];
+          default:
+            throw new FailedException('Driver [%s] Not Supported.');
+        }
     }
 }