diff --git "a/Assets/Audio/\346\270\270\346\210\217\347\273\223\346\235\237.mp3" "b/Assets/Audio/\346\270\270\346\210\217\347\273\223\346\235\237.mp3"
new file mode 100644
index 0000000..7ccf00c
Binary files /dev/null and "b/Assets/Audio/\346\270\270\346\210\217\347\273\223\346\235\237.mp3" differ
diff --git "a/Assets/Audio/\346\270\270\346\210\217\347\273\223\346\235\237.mp3.meta" "b/Assets/Audio/\346\270\270\346\210\217\347\273\223\346\235\237.mp3.meta"
new file mode 100644
index 0000000..1ec5c45
--- /dev/null
+++ "b/Assets/Audio/\346\270\270\346\210\217\347\273\223\346\235\237.mp3.meta"
@@ -0,0 +1,23 @@
+fileFormatVersion: 2
+guid: 419c04cfaaced4ed89fe6bd410af9ada
+AudioImporter:
+  externalObjects: {}
+  serializedVersion: 7
+  defaultSettings:
+    serializedVersion: 2
+    loadType: 0
+    sampleRateSetting: 0
+    sampleRateOverride: 44100
+    compressionFormat: 1
+    quality: 1
+    conversionMode: 0
+    preloadAudioData: 0
+  platformSettingOverrides: {}
+  forceToMono: 0
+  normalize: 1
+  loadInBackground: 0
+  ambisonic: 0
+  3D: 1
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Prefabs/AudioSystem.prefab b/Assets/Prefabs/AudioSystem.prefab
index ff0d748..74b02fc 100644
--- a/Assets/Prefabs/AudioSystem.prefab
+++ b/Assets/Prefabs/AudioSystem.prefab
@@ -144,6 +144,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   start: {fileID: 8300000, guid: 9e3abcae91e5d4976800c4bb89aa4c2b, type: 3}
   background: {fileID: 8300000, guid: 053f96f50958c4c9db8459c7e64a2c07, type: 3}
+  end: {fileID: 8300000, guid: 419c04cfaaced4ed89fe6bd410af9ada, type: 3}
   trap: {fileID: 8300000, guid: 473b4c4e9bf9645ecb97f1ea5d6e42c3, type: 3}
   prop: {fileID: 8300000, guid: 473b4c4e9bf9645ecb97f1ea5d6e42c3, type: 3}
   footLeft: {fileID: 8300000, guid: 74dfebaa0141bcf47baeb7f4e6683a44, type: 3}
diff --git a/Assets/Prefabs/Player1.prefab b/Assets/Prefabs/Player1.prefab
index e692f1f..d5088d4 100644
--- a/Assets/Prefabs/Player1.prefab
+++ b/Assets/Prefabs/Player1.prefab
@@ -294,7 +294,7 @@ MonoBehaviour:
   carriedCratePrefab: {fileID: 8444238979230049489, guid: 46f10c127c0848946ae31345d863aef2, type: 3}
   moveLeftKey: 97
   moveRightKey: 100
-  jump: 32
+  jump: 119
   grabKey: 115
   horizontalSpeed: 2
   moveSpeed: 2
@@ -305,8 +305,9 @@ MonoBehaviour:
   rightFootAnchor: {fileID: 7319513830124477421}
   leftFootAudio: {fileID: 8300000, guid: 74dfebaa0141bcf47baeb7f4e6683a44, type: 3}
   rightFootAudio: {fileID: 8300000, guid: 1dd1c7b2920534043bebac2e322c1d68, type: 3}
-  jumpAudio: {fileID: 8300000, guid: 235a548266b2c438ca6563a38b04c97b, type: 3}
+  allCarriedCrates: []
   rigidBody: {fileID: 0}
+  grablist: []
 --- !u!82 &9016137575395165826
 AudioSource:
   m_ObjectHideFlags: 0
diff --git a/Assets/Prefabs/Player2.prefab b/Assets/Prefabs/Player2.prefab
index 65fbe7c..b4eb822 100644
--- a/Assets/Prefabs/Player2.prefab
+++ b/Assets/Prefabs/Player2.prefab
@@ -2044,7 +2044,7 @@ MonoBehaviour:
   carriedCratePrefab: {fileID: 8444238979230049489, guid: 46f10c127c0848946ae31345d863aef2, type: 3}
   moveLeftKey: 276
   moveRightKey: 275
-  jump: 48
+  jump: 273
   grabKey: 274
   horizontalSpeed: 2
   moveSpeed: 2
@@ -2055,8 +2055,9 @@ MonoBehaviour:
   rightFootAnchor: {fileID: 2098970189250627752}
   leftFootAudio: {fileID: 8300000, guid: 74dfebaa0141bcf47baeb7f4e6683a44, type: 3}
   rightFootAudio: {fileID: 8300000, guid: 1dd1c7b2920534043bebac2e322c1d68, type: 3}
-  jumpAudio: {fileID: 8300000, guid: 235a548266b2c438ca6563a38b04c97b, type: 3}
+  allCarriedCrates: []
   rigidBody: {fileID: 0}
+  grablist: []
 --- !u!82 &1887630252337677242
 AudioSource:
   m_ObjectHideFlags: 0
diff --git a/Assets/Scripts/AudioSystem.cs b/Assets/Scripts/AudioSystem.cs
index 9f38ea5..e83b7fa 100644
--- a/Assets/Scripts/AudioSystem.cs
+++ b/Assets/Scripts/AudioSystem.cs
@@ -8,6 +8,8 @@ public class AudioSystem : MonoBehaviour
     public AudioClip start;
     // 循环背景音乐
     public AudioClip background;
+    // 游戏结束音效
+    public AudioClip end;
     // 陷阱
     public AudioClip trap;
     // 道具
@@ -28,16 +30,26 @@ void Start()
         audioSource = GetComponent<AudioSource>();
         effectSource = GameObject.Find("AudioEffect").GetComponent<AudioSource>();
 
-        this.PlayBackground();
+        // this.PlayBackground();
 
-        // Invoke("PlayBackground", 5f);
+        // Invoke("PlayGameEnd", 5f);
         // Invoke("PlayTrap", 6f);
     }
 
     // Update is called once per frame
     void Update()
     {
-        if (!audioSource.isPlaying && audioSource.clip != null) {
+        if (audioSource.isPlaying)
+        {
+            return;
+        }
+        if (audioSource.clip == end)
+        {
+            audioSource.clip = start;
+            audioSource.Play();
+        }
+        else
+        {
             audioSource.clip = background;
             audioSource.Play();
         }
@@ -84,4 +96,11 @@ public void PlayJump()
             effectSource.PlayOneShot(jump, 1);
         }
     }
+
+    public void PlayGameEnd()
+    {
+        audioSource.Stop();
+        audioSource.clip = end;
+        audioSource.Play();
+    }
 }