From 9c3c4670463bdda72f7012b0aeb4efa24b890722 Mon Sep 17 00:00:00 2001
From: Ding Yuntian <1491671119@qq.com>
Date: Wed, 5 Aug 2026 21:13:43 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E9=9D=99=E9=9F=B3=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Scripts/Framework/AudioKit/AudioManager.cs | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/Assets/Scripts/Framework/AudioKit/AudioManager.cs b/Assets/Scripts/Framework/AudioKit/AudioManager.cs
index e10957eb3..f05d61633 100644
--- a/Assets/Scripts/Framework/AudioKit/AudioManager.cs
+++ b/Assets/Scripts/Framework/AudioKit/AudioManager.cs
@@ -468,13 +468,19 @@ namespace AibisDream.Kit
 
         public void SetVolume(float normalizedVolume)
         {
-            // 将 0~1 映射到 minDecibels ~ maxDecibels，再转换为线性幅度
-            // 使用对数曲线匹配人耳听觉特性
-            float db = Mathf.Lerp(minDecibels, maxDecibels, normalizedVolume);
-            float linearVolume = Mathf.Pow(10f, db / 20f);
+            normalizedVolume = Mathf.Clamp01(normalizedVolume);
 
-            var masterVca = RuntimeManager.GetBus("bus:/");
-            masterVca.setVolume(linearVolume);
+            // 最低档需要真正静音；有限的最小分贝值仍会保留可听的线性幅度。
+            float linearVolume = 0f;
+            if (normalizedVolume > 0f)
+            {
+                // 将非零音量映射到 minDecibels ~ maxDecibels，保留原有的对数听感曲线。
+                float db = Mathf.Lerp(minDecibels, maxDecibels, normalizedVolume);
+                linearVolume = Mathf.Pow(10f, db / 20f);
+            }
+
+            var masterBus = RuntimeManager.GetBus("bus:/");
+            masterBus.setVolume(linearVolume);
         }
 
         #endregion