diff --git a/plugin/channel.go b/plugin/channel.go
index b3e5ab2..2f0baf5 100644
--- a/plugin/channel.go
+++ b/plugin/channel.go
@@ -179,7 +179,7 @@ const (
 	RDPGFX_DVC_CHANNEL_NAME = "Microsoft::Windows::RDS::Graphics" //图形扩展
 )
 
-var StaticVirtualChannels = map[string]int{
+var StaticVirtualChannels = map[string]int64{
 	CLIPRDR_SVC_CHANNEL_NAME: CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP |
 		CHANNEL_OPTION_COMPRESS_RDP | CHANNEL_OPTION_SHOW_PROTOCOL,
 	RDPDR_SVC_CHANNEL_NAME: CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP | CHANNEL_OPTION_COMPRESS_RDP,