diff --git a/main.py b/main.py
index dba25c9..1c031c3 100644
--- a/main.py
+++ b/main.py
@@ -143,6 +143,3 @@ class GMCLCore(object):
 
                 for i in  mtd_list:
                     i.join()
-
-launcher=GMCLCore("AAA","V250")
-launcher.Download("http://mirrors.163.com/centos/8.2.2004/isos/x86_64/CentOS-8.2.2004-x86_64-boot.iso","aa.iso")
\ No newline at end of file