final version of settings, everything works

godot_project/Game/scripts/ui_sounds.gd

 extends Node
 
+
+
 @onready var sounds = {
 	"UI_Hover": AudioStreamPlayer.new(),
 	"UI_Click": AudioStreamPlayer.new(),
@@ -26,5 +28,5 @@ func install_sounds(node: Node) -> void:
 		install_sounds(child)
 
 func ui_sfx_play(sound: String) -> void:
-	if sound in sounds:
+	if sound in sounds and Config.button_check==true:
 		sounds[sound].play()

godot_project/GameStarter/Config.gd

 extends Node
 
 var volume_value: float = -10.0  # Valeur par défaut du volume
+var button_check=true

godot_project/GameStarter/setting.gd

@@ -35,6 +35,6 @@ func _on_check_button_music_toggled(toggled_on: bool) -> void:
 
 func _on_check_button_button_sound_toggled(toggled_on: bool) -> void:
 	if toggled_on==false:
-		AudioServer.set_bus_mute(AudioServer.get_bus_index("Sfx"),true)
+		Config.button_check=false
 	else:
-		AudioServer.set_bus_mute(AudioServer.get_bus_index("Sfx"),false)
+		Config.button_check=true