diff --git a/scene/entity/npc.gd b/scene/entity/npc.gd
index 94a2884a..1e57d9ec 100644
--- a/scene/entity/npc.gd
+++ b/scene/entity/npc.gd
@@ -69,6 +69,7 @@ var speaking_sign_mode := 0:
 			speaking_sign_tween = create_tween()
 			if val == 0:
 				speaking_sign_tween.tween_property(speaking_sign, "modulate:a", 0.0, 0.3)
+				speaking_animation.stop()
 			elif val == 1:
 				speaking_sign_tween.tween_property(speaking_sign, "modulate", base_mod, 0.3)
 				speaking_sign_tween.parallel().tween_property(
@@ -133,10 +134,10 @@ func _align_signs_status():
 
 
 func _on_toggle_active(activated: bool) -> void:
-	if activated and speaking_sign_mode == 0:
-		speaking_sign_mode = 1
-	elif not activated and speaking_sign_mode > 0:
+	if not activated:
 		speaking_sign_mode = 0
+	elif speaking_sign_mode == 0:
+		speaking_sign_mode = 1
 
 
 func _on_interacted() -> void:
@@ -147,9 +148,10 @@ func _on_interacted() -> void:
 		ground_archive.set_pair(name, "icount", icount)
 		DialogueManager.show_dialogue_balloon(dialogue_res, dialogue_title)
 		interacted.emit()
+		var out_of_range = speaking_sign_mode == 0
 		speaking_sign_mode = 2
 		await DialogueManager.dialogue_ended
-		speaking_sign_mode = 1
+		speaking_sign_mode = 0 if out_of_range else 1
 		# 在 unlock 之前发射
 		talk_finished.emit()
 		SceneManager.unlock_player()