diff --git a/source/arm11/open_agb_firm.c b/source/arm11/open_agb_firm.c
index c962cc7..3594edd 100644
--- a/source/arm11/open_agb_firm.c
+++ b/source/arm11/open_agb_firm.c
@@ -127,7 +127,7 @@ static atp_error_t config_item( atp_callerdata_t data, atp_counter_t index, atp_
 	{
 		ee_snprintf(buf, sizeof(buf), "%d", g_oafConfig.backlight);
 		cfg->text = "屏幕亮度";
-		cfg->extra_text = buf;
+		cfg->extra_text = "100";
 	}
 	else if( index == 1 )
 	{