diff --git a/main/gui.c b/main/gui.c
index 4026fab..f197f6f 100644
--- a/main/gui.c
+++ b/main/gui.c
@@ -84,6 +84,7 @@ static lv_obj_t *desktop_label;
 static lv_anim_t desktop_animate;
 
 value_setting_panel_t *value_setting_panel = NULL;
+static bool panel_locked = false;
 
 static lv_obj_t *scr;
 
@@ -237,10 +238,11 @@ static void gui_close_value_setting_panel() {
 }
 
 static void gui_check_value_setting_panel_task(void *pvParameters) {
-  vTaskDelay(5000 / portTICK_PERIOD_MS);
+  vTaskDelay(GUI_PANEL_TIMEOUT_US / 1000 / portTICK_PERIOD_MS);
   for (;;) {
-    if (esp_timer_get_time() - value_setting_panel->last_updated_at >
-        GUI_PANEL_TIMEOUT_US) {
+    if (!panel_locked &&
+        esp_timer_get_time() - value_setting_panel->last_updated_at >
+            GUI_PANEL_TIMEOUT_US) {
       gui_close_value_setting_panel();
       vTaskDelete(NULL);
     }
@@ -296,26 +298,32 @@ static void gui_create_value_setting_panel() {
 }
 
 static void gui_change_strip_level(int32_t target_value) {
+  panel_locked = true;
   gui_create_value_setting_panel();
   lv_label_set_text(value_setting_panel->label, "Strip Level");
   lv_bar_set_range(value_setting_panel->bar, 0, 255);
   lv_bar_set_value(value_setting_panel->bar, target_value, LV_ANIM_ON);
+  panel_locked = false;
 }
 
 static void gui_change_display_brightness(int8_t display_index,
                                           int32_t target_value) {
+  panel_locked = true;
   gui_create_value_setting_panel();
   lv_label_set_text_fmt(value_setting_panel->label, "Display#%d Brightness",
                         display_index);
   lv_bar_set_range(value_setting_panel->bar, 0, 100);
   lv_bar_set_value(value_setting_panel->bar, target_value, LV_ANIM_ON);
+  panel_locked = false;
 }
 
 static void gui_change_volume_level(int32_t target_value) {
+  panel_locked = true;
   gui_create_value_setting_panel();
   lv_label_set_text(value_setting_panel->label, "Volume Level");
   lv_bar_set_range(value_setting_panel->bar, 0, 100);
   lv_bar_set_value(value_setting_panel->bar, target_value, LV_ANIM_ON);
+  panel_locked = false;
 }
 
 void gui_status_bar_create(lv_obj_t *scr) {