diff --git a/modules/config/login.go b/modules/config/login.go
index 4bda954..fd6c5df 100644
--- a/modules/config/login.go
+++ b/modules/config/login.go
@@ -120,6 +120,9 @@ func GetLoginByName(name string) *Login {
 
 // GetLoginByToken get login by token
 func GetLoginByToken(token string) *Login {
+	if token == "" {
+		return nil
+	}
 	err := loadConfig()
 	if err != nil {
 		log.Fatal(err)