diff --git a/extend/catcher/CatchUpload.php b/extend/catcher/CatchUpload.php
index dab98b1..0693c24 100644
--- a/extend/catcher/CatchUpload.php
+++ b/extend/catcher/CatchUpload.php
@@ -61,7 +61,7 @@ class CatchUpload
         $path = Filesystem::disk($this->getDriver())->putFile($this->getPath(), $file);
 
         if ($path) {
-            $url = Utils::getCloudDomain($this->getDriver()) . $path;
+            $url = self::getCloudDomain($this->getDriver()) . $path;
 
             Attachments::create(array_merge([
                 'path' => $path,
@@ -261,4 +261,28 @@ class CatchUpload
             ], 'filesystem');
         }
     }
+
+    /**
+     * 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['type']) {
+            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(sprintf('Driver [%s] Not Supported.', $driver));
+        }
+    }
 }
diff --git a/extend/catcher/Utils.php b/extend/catcher/Utils.php
index fb20b7f..eb37ea2 100644
--- a/extend/catcher/Utils.php
+++ b/extend/catcher/Utils.php
@@ -1,8 +1,6 @@
 <?php
 namespace catcher;
 
-use catcher\exceptions\FailedException;
-use think\file\UploadedFile;
 use think\helper\Str;
 
 class Utils
@@ -52,28 +50,4 @@ 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['type']) {
-          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(sprintf('Driver [%s] Not Supported.', $driver));
-        }
-    }
 }