diff --git a/service/service.go b/service/service.go
index 8214edb..24a89ce 100644
--- a/service/service.go
+++ b/service/service.go
@@ -72,21 +72,3 @@ func (helper *SQLiteHelper) querySingleColumn(tableName, columnName string) (str
 func (helper *SQLiteHelper) QueryVersion() (string, error) {
 	return helper.querySingleColumn("Config", "Version")
 }
-
-// func main() {
-// 	// Example usage
-// 	helper := NewSQLiteHelper("path/to/database.db")
-// 	defer helper.Close()
-
-// 	version, err := helper.QueryVersion()
-// 	if err != nil {
-// 		log.Fatal(err)
-// 	}
-// 	fmt.Println("Database version:", version)
-
-// 	macAddress, err := helper.QueryMacAddressByPrefix("00:1A:2B")
-// 	if err != nil {
-// 		log.Fatal(err)
-// 	}
-// 	fmt.Println("MacAddress:", macAddress)
-// }