diff --git a/presigned_url.go b/presigned_url.go
index be71528..2a02fc8 100644
--- a/presigned_url.go
+++ b/presigned_url.go
@@ -3,7 +3,6 @@ package minio
 import (
 	"context"
 	"fmt"
-	"net/url"
 	"time"
 )
 
@@ -14,15 +13,14 @@ func (c Client) GetPresignedURL(ctx context.Context, bucket, object string, expi
 	}
 
 	// params
-	reqParams := make(url.Values)
-	reqParams.Set("response-content-disposition", fmt.Sprintf("attachment; filename=\"%s\"", object))
+	//reqParams := make(url.Values)
+	//reqParams.Set("response-content-disposition", fmt.Sprintf("attachment; filename=\"%s\"", object))
 
 	// get
-	presignedURL, err := c.client.PresignedGetObject(context.Background(), bucket, object, expiry, reqParams)
-	fmt.Println("presignedURL", presignedURL)
+	presignedURL, err := c.client.PresignedGetObject(context.Background(), bucket, object, expiry, nil)
 	if err != nil {
 		fmt.Printf("[minio.GetPresignedURL][%s] get object %s error: %s \n", bucket, object, err.Error())
-		fmt.Printf("params %v \n", reqParams)
+		//fmt.Printf("params %v \n", reqParams)
 		return ""
 	}