diff --git a/Assets/Editor/AudioGlobalParameterSnapshotTests.cs b/Assets/Editor/AudioGlobalParameterSnapshotTests.cs
new file mode 100644
index 000000000..82b6dfd04
--- /dev/null
+++ b/Assets/Editor/AudioGlobalParameterSnapshotTests.cs
@@ -0,0 +1,260 @@
+using System.Collections.Generic;
+using System.Linq;
+using AibisDream.Kit;
+using AibisDream.SaveSystem;
+using FMOD;
+using FMOD.Studio;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using NUnit.Framework;
+
+namespace AibisDream.SystemEditor.Tests
+{
+    public sealed class AudioGlobalParameterSnapshotTests
+    {
+        [Test]
+        public void SetFromYarn_TracksOnlySuccessfulUniqueNames()
+        {
+            var api = new FakeFmodGlobalParameterApi();
+            api.SetByNameResults["missing"] = RESULT.ERR_EVENT_NOTFOUND;
+            var registry = new YarnGlobalParameterRegistry(api);
+
+            Assert.That(registry.SetFromYarn("reverb", 0.4f), Is.EqualTo(RESULT.OK));
+            Assert.That(registry.SetFromYarn("REVERB", 0.7f), Is.EqualTo(RESULT.OK));
+            Assert.That(
+                registry.SetFromYarn("missing", 1f),
+                Is.EqualTo(RESULT.ERR_EVENT_NOTFOUND));
+
+            Assert.That(registry.TrackedNames, Has.Count.EqualTo(1));
+            Assert.That(registry.TrackedNames.Single(), Is.EqualTo("reverb"));
+            Assert.That(api.SetByNameCalls[0].IgnoreSeekSpeed, Is.False);
+            Assert.That(api.SetByNameCalls[1].IgnoreSeekSpeed, Is.False);
+        }
+
+        [Test]
+        public void CaptureFinalValues_ReadsFmodFinalValueAndRetainsFailuresForRetry()
+        {
+            var api = new FakeFmodGlobalParameterApi();
+            api.Reads["stage"] = new ParameterRead(9f, 2.37f, RESULT.OK);
+            api.Reads["missing"] = new ParameterRead(0f, 0f, RESULT.ERR_EVENT_NOTFOUND);
+            var registry = new YarnGlobalParameterRegistry(api);
+            registry.SetFromYarn("stage", 9f);
+            registry.SetFromYarn("missing", 1f);
+            var warnings = new List<string>();
+
+            var snapshot = registry.CaptureFinalValues(warnings.Add);
+
+            Assert.That(snapshot, Has.Count.EqualTo(1));
+            Assert.That(snapshot["stage"], Is.EqualTo(2.37f));
+            Assert.That(snapshot["stage"], Is.Not.EqualTo(9f));
+            Assert.That(registry.TrackedNames, Is.EquivalentTo(new[] { "stage", "missing" }));
+            Assert.That(warnings, Has.Count.EqualTo(1));
+            StringAssert.Contains("missing", warnings[0]);
+        }
+
+        [Test]
+        public void ResetToDefaults_RemovesOnlyParametersThatFmodResetSuccessfully()
+        {
+            var goodId = new PARAMETER_ID { data1 = 1, data2 = 2 };
+            var failedId = new PARAMETER_ID { data1 = 3, data2 = 4 };
+            var api = new FakeFmodGlobalParameterApi();
+            api.Descriptions["good"] = new ParameterDescriptionRead(
+                new PARAMETER_DESCRIPTION { id = goodId, defaultvalue = 0.25f },
+                RESULT.OK);
+            api.Descriptions["failed"] = new ParameterDescriptionRead(
+                new PARAMETER_DESCRIPTION { id = failedId, defaultvalue = 0.75f },
+                RESULT.OK);
+            api.SetByIdResults[failedId] = RESULT.ERR_INVALID_PARAM;
+            var registry = new YarnGlobalParameterRegistry(api);
+            registry.SetFromYarn("good", 1f);
+            registry.SetFromYarn("failed", 1f);
+            var warnings = new List<string>();
+
+            registry.ResetToDefaults(warnings.Add);
+
+            Assert.That(registry.TrackedNames, Is.EquivalentTo(new[] { "failed" }));
+            Assert.That(api.SetByIdCalls, Has.Count.EqualTo(2));
+            var goodReset = api.SetByIdCalls.Single(call => call.Id.Equals(goodId));
+            Assert.That(goodReset.Value, Is.EqualTo(0.25f));
+            Assert.That(goodReset.IgnoreSeekSpeed, Is.True);
+            Assert.That(warnings, Has.Count.EqualTo(1));
+            StringAssert.Contains("failed", warnings[0]);
+        }
+
+        [Test]
+        public void RestoreFinalValues_JumpsImmediatelyThenNextYarnTargetUsesSeekSpeed()
+        {
+            var api = new FakeFmodGlobalParameterApi();
+            api.SetByNameResults["missing"] = RESULT.ERR_EVENT_NOTFOUND;
+            var registry = new YarnGlobalParameterRegistry(api);
+            var warnings = new List<string>();
+
+            registry.RestoreFinalValues(
+                new Dictionary<string, float>
+                {
+                    ["stage"] = 2.37f,
+                    ["missing"] = 1f
+                },
+                warnings.Add);
+            registry.SetFromYarn("stage", 3f);
+
+            Assert.That(api.SetByNameCalls, Has.Count.EqualTo(3));
+            Assert.That(api.SetByNameCalls[0].Value, Is.EqualTo(2.37f));
+            Assert.That(api.SetByNameCalls[0].IgnoreSeekSpeed, Is.True);
+            Assert.That(api.SetByNameCalls[1].Name, Is.EqualTo("missing"));
+            Assert.That(api.SetByNameCalls[1].IgnoreSeekSpeed, Is.True);
+            Assert.That(api.SetByNameCalls[2].Value, Is.EqualTo(3f));
+            Assert.That(api.SetByNameCalls[2].IgnoreSeekSpeed, Is.False);
+            Assert.That(registry.TrackedNames, Is.EquivalentTo(new[] { "stage" }));
+            Assert.That(warnings, Has.Count.EqualTo(1));
+            StringAssert.Contains("missing", warnings[0]);
+        }
+
+        [Test]
+        public void AudioSnapshotDto_RoundTripsFinalValuesWithoutChangingSchema()
+        {
+            var source = new SaveSnapshot();
+            source.sections[SnapshotProviderIds.Audio] = new AudioSnapshotDto
+            {
+                ambState = "Dream",
+                yarnGlobalParameters = new Dictionary<string, float>
+                {
+                    ["reverb"] = 0.42f,
+                    ["hs1LogStage"] = 2.37f
+                }
+            };
+
+            var json = JsonConvert.SerializeObject(source);
+            var restored = JsonConvert.DeserializeObject<SaveSnapshot>(json);
+            var audio = ((JObject)restored.sections[SnapshotProviderIds.Audio])
+                .ToObject<AudioSnapshotDto>();
+
+            Assert.That(restored.schemaVersion, Is.EqualTo(2));
+            Assert.That(SaveSnapshotSchema.CurrentVersion, Is.EqualTo(2));
+            Assert.That(audio.yarnGlobalParameters["reverb"], Is.EqualTo(0.42f));
+            Assert.That(audio.yarnGlobalParameters["hs1LogStage"], Is.EqualTo(2.37f));
+        }
+
+        private readonly struct SetByNameCall
+        {
+            internal SetByNameCall(string name, float value, bool ignoreSeekSpeed)
+            {
+                Name = name;
+                Value = value;
+                IgnoreSeekSpeed = ignoreSeekSpeed;
+            }
+
+            internal string Name { get; }
+            internal float Value { get; }
+            internal bool IgnoreSeekSpeed { get; }
+        }
+
+        private readonly struct SetByIdCall
+        {
+            internal SetByIdCall(PARAMETER_ID id, float value, bool ignoreSeekSpeed)
+            {
+                Id = id;
+                Value = value;
+                IgnoreSeekSpeed = ignoreSeekSpeed;
+            }
+
+            internal PARAMETER_ID Id { get; }
+            internal float Value { get; }
+            internal bool IgnoreSeekSpeed { get; }
+        }
+
+        private readonly struct ParameterRead
+        {
+            internal ParameterRead(float value, float finalValue, RESULT result)
+            {
+                Value = value;
+                FinalValue = finalValue;
+                Result = result;
+            }
+
+            internal float Value { get; }
+            internal float FinalValue { get; }
+            internal RESULT Result { get; }
+        }
+
+        private readonly struct ParameterDescriptionRead
+        {
+            internal ParameterDescriptionRead(
+                PARAMETER_DESCRIPTION description,
+                RESULT result)
+            {
+                Description = description;
+                Result = result;
+            }
+
+            internal PARAMETER_DESCRIPTION Description { get; }
+            internal RESULT Result { get; }
+        }
+
+        private sealed class FakeFmodGlobalParameterApi : IFmodGlobalParameterApi
+        {
+            internal readonly Dictionary<string, RESULT> SetByNameResults =
+                new(System.StringComparer.OrdinalIgnoreCase);
+            internal readonly Dictionary<string, ParameterRead> Reads =
+                new(System.StringComparer.OrdinalIgnoreCase);
+            internal readonly Dictionary<string, ParameterDescriptionRead> Descriptions =
+                new(System.StringComparer.OrdinalIgnoreCase);
+            internal readonly Dictionary<PARAMETER_ID, RESULT> SetByIdResults = new();
+            internal readonly List<SetByNameCall> SetByNameCalls = new();
+            internal readonly List<SetByIdCall> SetByIdCalls = new();
+
+            public RESULT SetParameterByName(
+                string name,
+                float value,
+                bool ignoreSeekSpeed)
+            {
+                SetByNameCalls.Add(new SetByNameCall(name, value, ignoreSeekSpeed));
+                return SetByNameResults.TryGetValue(name, out var result)
+                    ? result
+                    : RESULT.OK;
+            }
+
+            public RESULT GetParameterByName(
+                string name,
+                out float value,
+                out float finalValue)
+            {
+                if (Reads.TryGetValue(name, out var read))
+                {
+                    value = read.Value;
+                    finalValue = read.FinalValue;
+                    return read.Result;
+                }
+
+                value = 0f;
+                finalValue = 0f;
+                return RESULT.OK;
+            }
+
+            public RESULT GetParameterDescriptionByName(
+                string name,
+                out PARAMETER_DESCRIPTION description)
+            {
+                if (Descriptions.TryGetValue(name, out var read))
+                {
+                    description = read.Description;
+                    return read.Result;
+                }
+
+                description = default;
+                return RESULT.ERR_EVENT_NOTFOUND;
+            }
+
+            public RESULT SetParameterById(
+                PARAMETER_ID id,
+                float value,
+                bool ignoreSeekSpeed)
+            {
+                SetByIdCalls.Add(new SetByIdCall(id, value, ignoreSeekSpeed));
+                return SetByIdResults.TryGetValue(id, out var result)
+                    ? result
+                    : RESULT.OK;
+            }
+        }
+    }
+}
diff --git a/Assets/Editor/AudioGlobalParameterSnapshotTests.cs.meta b/Assets/Editor/AudioGlobalParameterSnapshotTests.cs.meta
new file mode 100644
index 000000000..9f9fda781
--- /dev/null
+++ b/Assets/Editor/AudioGlobalParameterSnapshotTests.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: e120d9cfce5a4723a6e640b3cc3ce29b
diff --git a/Assets/Scripts/Framework/AudioKit/AudioManager.cs b/Assets/Scripts/Framework/AudioKit/AudioManager.cs
index 49ac3deb7..e10957eb3 100644
--- a/Assets/Scripts/Framework/AudioKit/AudioManager.cs
+++ b/Assets/Scripts/Framework/AudioKit/AudioManager.cs
@@ -42,6 +42,7 @@ namespace AibisDream.Kit
         private EventInstance _voiceInstance;
         private readonly Dictionary<string, EventInstance> _musicDict = new();
         private readonly Dictionary<string, EventInstance> _sfxDict = new();
+        private YarnGlobalParameterRegistry _yarnGlobalParameters;
 
         #endregion
 
@@ -52,6 +53,9 @@ namespace AibisDream.Kit
         private AmbState? _ambStateBeforePauseMenu;
 
         public AmbState CurrentAmbState => _currentAmbState;
+        private YarnGlobalParameterRegistry YarnGlobalParameters =>
+            _yarnGlobalParameters ??= new YarnGlobalParameterRegistry(
+                new RuntimeFmodGlobalParameterApi());
 
         #endregion
 
@@ -124,7 +128,8 @@ namespace AibisDream.Kit
 
             var dto = new AudioSnapshotDto
             {
-                ambState = ambState.ToString()
+                ambState = ambState.ToString(),
+                yarnGlobalParameters = YarnGlobalParameters.CaptureFinalValues(Debug.LogWarning)
             };
 
             foreach (var pair in _musicDict)
@@ -142,21 +147,34 @@ namespace AibisDream.Kit
             return dto;
         }
 
-        public void RestoreSnapshot(AudioSnapshotDto data)
+        public void RestoreSnapshot(AudioSnapshotDto data, Action<string> warn = null)
         {
+            warn ??= Debug.LogWarning;
+            YarnGlobalParameters.ResetToDefaults(warn);
+
             foreach (var musicEvent in _musicDict.Values)
             {
+                musicEvent.stop(STOP_MODE.IMMEDIATE);
                 musicEvent.release();
             }
 
             foreach (var sfxEvent in _sfxDict.Values)
             {
+                sfxEvent.stop(STOP_MODE.IMMEDIATE);
                 sfxEvent.release();
             }
 
             _musicDict.Clear();
             _sfxDict.Clear();
 
+            if (!string.IsNullOrEmpty(data.ambState)
+                && Enum.TryParse<AmbState>(data.ambState, out var ambState))
+            {
+                ChangeAmb(ambState);
+            }
+
+            YarnGlobalParameters.RestoreFinalValues(data.yarnGlobalParameters, warn);
+
             if (data.musicPaths != null)
             {
                 foreach (var music in data.musicPaths)
@@ -176,13 +194,6 @@ namespace AibisDream.Kit
                     _sfxDict[sfx.Key] = instance;
                 }
             }
-
-            if (!string.IsNullOrEmpty(data.ambState)
-                && Enum.TryParse<AmbState>(data.ambState, out var ambState))
-            {
-                ChangeAmb(ambState);
-            }
-
         }
 
         public void PauseAll()
@@ -250,6 +261,16 @@ namespace AibisDream.Kit
             RuntimeManager.StudioSystem.setParameterByName(paramName, value);
         }
 
+        public void SetYarnGlobalParam(string paramName, float value)
+        {
+            var result = YarnGlobalParameters.SetFromYarn(paramName, value);
+            if (result != RESULT.OK)
+            {
+                Debug.LogWarning(
+                    $"[AudioManager] Yarn 全局参数 {paramName ?? "(null)"} 设置失败：{result}。");
+            }
+        }
+
         public void SetMainMenuStage(int stage)
         {
             SetGlobalParam(MainMenuStageParamName, stage);
@@ -267,6 +288,7 @@ namespace AibisDream.Kit
 
         private void OnGameStart()
         {
+            YarnGlobalParameters.ResetToDefaults(Debug.LogWarning);
             SetMainMenuStage(3);
         }
 
@@ -300,6 +322,7 @@ namespace AibisDream.Kit
             
             _musicDict.Clear();
             _sfxDict.Clear();
+            YarnGlobalParameters.ResetToDefaults(Debug.LogWarning);
             ChangeAmb(menuAmbState);
         }
 
diff --git a/Assets/Scripts/Framework/AudioKit/AudioYarnCommand.cs b/Assets/Scripts/Framework/AudioKit/AudioYarnCommand.cs
index efec908f6..92a598c64 100644
--- a/Assets/Scripts/Framework/AudioKit/AudioYarnCommand.cs
+++ b/Assets/Scripts/Framework/AudioKit/AudioYarnCommand.cs
@@ -66,7 +66,7 @@ namespace AibisDream.Kit
         [YarnCommand("set_global_param")]
         public static void SetGlobalParam(string paramName, float value)
         {
-            AudioManager.Instance.SetGlobalParam(paramName, value);
+            AudioManager.Instance.SetYarnGlobalParam(paramName, value);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Assets/Scripts/Framework/AudioKit/YarnGlobalParameterRegistry.cs b/Assets/Scripts/Framework/AudioKit/YarnGlobalParameterRegistry.cs
new file mode 100644
index 000000000..d89ec1149
--- /dev/null
+++ b/Assets/Scripts/Framework/AudioKit/YarnGlobalParameterRegistry.cs
@@ -0,0 +1,149 @@
+using System;
+using System.Collections.Generic;
+using FMOD;
+using FMOD.Studio;
+using FMODUnity;
+
+namespace AibisDream.Kit
+{
+    internal interface IFmodGlobalParameterApi
+    {
+        RESULT SetParameterByName(string name, float value, bool ignoreSeekSpeed);
+        RESULT GetParameterByName(string name, out float value, out float finalValue);
+        RESULT GetParameterDescriptionByName(string name, out PARAMETER_DESCRIPTION description);
+        RESULT SetParameterById(PARAMETER_ID id, float value, bool ignoreSeekSpeed);
+    }
+
+    internal sealed class RuntimeFmodGlobalParameterApi : IFmodGlobalParameterApi
+    {
+        public RESULT SetParameterByName(string name, float value, bool ignoreSeekSpeed)
+        {
+            return RuntimeManager.StudioSystem.setParameterByName(name, value, ignoreSeekSpeed);
+        }
+
+        public RESULT GetParameterByName(string name, out float value, out float finalValue)
+        {
+            return RuntimeManager.StudioSystem.getParameterByName(name, out value, out finalValue);
+        }
+
+        public RESULT GetParameterDescriptionByName(
+            string name,
+            out PARAMETER_DESCRIPTION description)
+        {
+            return RuntimeManager.StudioSystem.getParameterDescriptionByName(name, out description);
+        }
+
+        public RESULT SetParameterById(PARAMETER_ID id, float value, bool ignoreSeekSpeed)
+        {
+            return RuntimeManager.StudioSystem.setParameterByID(id, value, ignoreSeekSpeed);
+        }
+    }
+
+    /// <summary>
+    /// 只记录曾被 Yarn set_global_param 成功修改的参数名。
+    /// 参数值与默认值始终以 FMOD Studio System 为唯一来源。
+    /// </summary>
+    internal sealed class YarnGlobalParameterRegistry
+    {
+        private readonly IFmodGlobalParameterApi _api;
+        private readonly HashSet<string> _trackedNames =
+            new(StringComparer.OrdinalIgnoreCase);
+
+        internal YarnGlobalParameterRegistry(IFmodGlobalParameterApi api)
+        {
+            _api = api ?? throw new ArgumentNullException(nameof(api));
+        }
+
+        internal IReadOnlyCollection<string> TrackedNames => _trackedNames;
+
+        internal RESULT SetFromYarn(string name, float value)
+        {
+            if (string.IsNullOrWhiteSpace(name))
+            {
+                return RESULT.ERR_INVALID_PARAM;
+            }
+
+            var result = _api.SetParameterByName(name, value, ignoreSeekSpeed: false);
+            if (result == RESULT.OK)
+            {
+                _trackedNames.Add(name);
+            }
+
+            return result;
+        }
+
+        internal Dictionary<string, float> CaptureFinalValues(Action<string> warn)
+        {
+            var values = new Dictionary<string, float>(StringComparer.OrdinalIgnoreCase);
+            foreach (var name in _trackedNames)
+            {
+                var result = _api.GetParameterByName(name, out _, out var finalValue);
+                if (result == RESULT.OK)
+                {
+                    values[name] = finalValue;
+                    continue;
+                }
+
+                warn?.Invoke(
+                    $"[AudioManager] 捕获 Yarn 全局参数 {name} 失败：{result}。本次存档跳过该参数。");
+            }
+
+            return values;
+        }
+
+        internal void ResetToDefaults(Action<string> warn)
+        {
+            var names = new List<string>(_trackedNames);
+            foreach (var name in names)
+            {
+                var descriptionResult =
+                    _api.GetParameterDescriptionByName(name, out var description);
+                if (descriptionResult != RESULT.OK)
+                {
+                    warn?.Invoke(
+                        $"[AudioManager] 查询 Yarn 全局参数 {name} 默认值失败：{descriptionResult}。保留追踪以便稍后重试。");
+                    continue;
+                }
+
+                var resetResult = _api.SetParameterById(
+                    description.id,
+                    description.defaultvalue,
+                    ignoreSeekSpeed: true);
+                if (resetResult != RESULT.OK)
+                {
+                    warn?.Invoke(
+                        $"[AudioManager] 重置 Yarn 全局参数 {name} 失败：{resetResult}。保留追踪以便稍后重试。");
+                    continue;
+                }
+
+                _trackedNames.Remove(name);
+            }
+        }
+
+        internal void RestoreFinalValues(
+            IReadOnlyDictionary<string, float> values,
+            Action<string> warn)
+        {
+            if (values == null)
+            {
+                return;
+            }
+
+            foreach (var pair in values)
+            {
+                var result = _api.SetParameterByName(
+                    pair.Key,
+                    pair.Value,
+                    ignoreSeekSpeed: true);
+                if (result == RESULT.OK)
+                {
+                    _trackedNames.Add(pair.Key);
+                    continue;
+                }
+
+                warn?.Invoke(
+                    $"[AudioManager] 恢复 Yarn 全局参数 {pair.Key} 失败：{result}。跳过该参数。");
+            }
+        }
+    }
+}
diff --git a/Assets/Scripts/Framework/AudioKit/YarnGlobalParameterRegistry.cs.meta b/Assets/Scripts/Framework/AudioKit/YarnGlobalParameterRegistry.cs.meta
new file mode 100644
index 000000000..5eacdc051
--- /dev/null
+++ b/Assets/Scripts/Framework/AudioKit/YarnGlobalParameterRegistry.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: fe8472981b434b1d94e494cca8e3801d
diff --git a/Assets/Scripts/SaveSystem/Providers/AudioSnapshotProvider.cs b/Assets/Scripts/SaveSystem/Providers/AudioSnapshotProvider.cs
index abf44e1b1..1cd63e8a8 100644
--- a/Assets/Scripts/SaveSystem/Providers/AudioSnapshotProvider.cs
+++ b/Assets/Scripts/SaveSystem/Providers/AudioSnapshotProvider.cs
@@ -37,7 +37,7 @@ namespace AibisDream.SaveSystem
                 return;
             }
 
-            AudioManager.Instance.RestoreSnapshot(audio);
+            AudioManager.Instance.RestoreSnapshot(audio, context.Warn);
         }
     }
 }
diff --git a/Assets/Scripts/SaveSystem/SaveSnapshot.cs b/Assets/Scripts/SaveSystem/SaveSnapshot.cs
index 92dcb1299..a9961d27f 100644
--- a/Assets/Scripts/SaveSystem/SaveSnapshot.cs
+++ b/Assets/Scripts/SaveSystem/SaveSnapshot.cs
@@ -123,7 +123,10 @@ namespace AibisDream.SaveSystem
         public bool isTalking;
     }
 
-    /// <summary>sections["audio"]：FMOD 音乐/SFX 终态与 AMB 状态（不记播放进度）。</summary>
+    /// <summary>
+    /// sections["audio"]：FMOD 音乐/SFX 终态、AMB 状态与 Yarn 全局参数 finalValue
+    /// （不记 Event 播放进度）。
+    /// </summary>
     [Serializable]
     public class AudioSnapshotDto
     {
@@ -134,6 +137,9 @@ namespace AibisDream.SaveSystem
 
         /// <summary><see cref="AmbState"/> 枚举名。</summary>
         public string ambState;
+
+        /// <summary>由 Yarn set_global_param 修改过的参数名 → 捕获时的 FMOD finalValue。</summary>
+        public Dictionary<string, float> yarnGlobalParameters = new();
     }
 
     /// <summary>