fix:响应

@@ -5,7 +5,6 @@ namespace Lackoxygen\TopWarehouse;
 use Illuminate\Support\Arr;
 use Lackoxygen\TopWarehouse\Constants\ResponseCode;
 use Lackoxygen\TopWarehouse\Contracts\ResponseInterface;
-use Lackoxygen\TopWarehouse\Exception\Exception;
 use Lackoxygen\TopWarehouse\Utils\JsonUtil;
 use Psr\Http\Message\ResponseInterface as PsrResponseInterface;
 
@@ -53,7 +52,9 @@ class Response implements ResponseInterface
      */
     public function getContents(): string
     {
-        return $this->response->getBody()->getContents();
+        $response = clone $this->response;
+
+        return $response->getBody()->getContents();
     }
 
     /**