diff --git a/My project/Assets/Scripts/Logic/Audio/AudioManager.cs b/My project/Assets/Scripts/Logic/Audio/AudioManager.cs
index 37b49c1f0..219a525e1 100644
--- a/My project/Assets/Scripts/Logic/Audio/AudioManager.cs	
+++ b/My project/Assets/Scripts/Logic/Audio/AudioManager.cs	
@@ -43,7 +43,7 @@ namespace Logic.Audio
             foreach (var player in _allPlayer) player.Update();
         }
 
-        public void PlayMusic(string musicName, float fadeIn, float fadeOut, bool isLoop)
+        public void PlayMusic(string musicName, float fadeIn, float fadeOut, bool isLoop, float volume=1)
         {
             if (!_clips.ContainsKey(musicName)) return;
             if (_musicPlayer != null) _musicPlayer.Stop();
@@ -53,6 +53,7 @@ namespace Logic.Audio
             _musicPlayer.Length = _clips[musicName].length;
             _musicPlayer.FadeInDuration = fadeIn;
             _musicPlayer.FadeOutDuration = fadeOut;
+            _musicPlayer.VolumeRatio = volume;
             _musicPlayer.Play();
         }
 
@@ -61,7 +62,7 @@ namespace Logic.Audio
             _musicPlayer?.Stop();
         }
 
-        public void PlayAudio(string musicName, float fadeIn, float fadeOut, bool isLoop)
+        public void PlayAudio(string musicName, float fadeIn, float fadeOut, bool isLoop, float volume=1)
         {
             if (!_clips.ContainsKey(musicName)) return;
             var player = GetPlayer();
@@ -70,6 +71,7 @@ namespace Logic.Audio
             player.Length = _clips[musicName].length;
             player.FadeInDuration = fadeIn;
             player.FadeOutDuration = fadeOut;
+            _musicPlayer.VolumeRatio = volume;
             player.Play();
         }
 
@@ -108,6 +110,8 @@ namespace Logic.Audio
         public float Length;
         public float FadeInDuration;
         public float FadeOutDuration;
+        // 音量 0-1
+        public float VolumeRatio;
         
         public float StartTime;
         public float EndTime;
@@ -150,11 +154,11 @@ namespace Logic.Audio
             {
                 if (Time.time - StartTime < FadeInDuration)
                 {
-                    Source.volume = (Time.time - StartTime) / FadeInDuration;
+                    Source.volume = (Time.time - StartTime) / FadeInDuration * VolumeRatio;
                 }
                 else
                 {
-                    Source.volume = 1;
+                    Source.volume = 1 * VolumeRatio;
                     State = PlayerState.Playing;
                 }
             }
@@ -178,7 +182,7 @@ namespace Logic.Audio
                 }
                 else
                 {
-                    Source.volume = (FadeOutDuration - Time.time + EndTime) / FadeOutDuration;
+                    Source.volume = (FadeOutDuration - Time.time + EndTime) / FadeOutDuration * VolumeRatio;
                 }
             }
         }