diff --git a/unity/Assets/UI/GameManager.cs b/unity/Assets/UI/GameManager.cs
index 100ec36..56bd0a2 100644
--- a/unity/Assets/UI/GameManager.cs
+++ b/unity/Assets/UI/GameManager.cs
@@ -61,6 +61,9 @@ namespace GameFramework
         /// </summary>
         private IEnumerator DeathTransition()
         {
+            // 等待一帧，让 HUD 先更新血量显示（最后一滴血消失）
+            yield return null;
+
             // 1. 查找玩家并禁用控制
             var player = GameObject.FindGameObjectWithTag("Player");
             if (player != null)