diff --git a/cmd/gocq/login.go b/cmd/gocq/login.go
index b000d9e..8b19768 100644
--- a/cmd/gocq/login.go
+++ b/cmd/gocq/login.go
@@ -265,7 +265,7 @@ func fetchCaptcha(id string) string {
 	return ""
 }
 
-func energy(uin uint64, id string, appVersion string, salt []byte) ([]byte, error) {
+func energy(uin uint64, id string, _ string, salt []byte) ([]byte, error) {
 	signServer := base.SignServer
 	if !strings.HasSuffix(signServer, "/") {
 		signServer += "/"