diff --git a/package.json b/package.json
index 110e6c4..10926a4 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "@ant-design/icons-vue": "^6.1.0",
     "@emotion/css": "^11.13.0",
     "@vueuse/core": "^10.11.1",
+    "@wasm-audio-decoders/ogg-vorbis": "^0.1.16",
     "anon-tokyo": "0.0.0-alpha.0",
     "ant-design-vue": "^3.2.20",
     "axios": "^1.7.4",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 524cbac..68b720b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -17,6 +17,9 @@ importers:
       '@vueuse/core':
         specifier: ^10.11.1
         version: 10.11.1(vue@3.5.13(typescript@5.5.4))
+      '@wasm-audio-decoders/ogg-vorbis':
+        specifier: ^0.1.16
+        version: 0.1.16
       anon-tokyo:
         specifier: 0.0.0-alpha.0
         version: 0.0.0-alpha.0
@@ -1357,6 +1360,9 @@ packages:
     cpu: [x64]
     os: [win32]
 
+  '@eshaz/web-worker@1.2.2':
+    resolution: {integrity: sha512-WxXiHFmD9u/owrzempiDlBB1ZYqiLnm9s6aPc8AlFQalq2tKmqdmMr9GXOupDgzXtqnBipj8Un0gkIm7Sjf8mw==}
+
   '@gar/promisify@1.1.3':
     resolution: {integrity: sha512-k2Ty1JcVojjJFwrg/ThKi2ujJ7XNLYaFGNB/bWT9wGR+oSMJHMa5w+CUq6p/pVrKeNNgA7pCqEcjSnHVoqJQFw==}
 
@@ -1638,6 +1644,12 @@ packages:
   '@vueuse/shared@10.11.1':
     resolution: {integrity: sha512-LHpC8711VFZlDaYUXEBbFBCQ7GS3dVU9mjOhhMhXP6txTV4EhYQg/KGnQuvt/sPAtoUKq7VVUnL6mVtFoL42sA==}
 
+  '@wasm-audio-decoders/common@9.0.5':
+    resolution: {integrity: sha512-b9JNh9sPAvn8PVIizNh9D60WkfQong/u9ea873H47u7zvVDLctxYIp2aZw9CQqXaQdk7JB3MoU5UHiseO40swg==}
+
+  '@wasm-audio-decoders/ogg-vorbis@0.1.16':
+    resolution: {integrity: sha512-HcEx4LPZbbzjhs9bTXgMaXLVCSMSo/egY9paJxAnE9tsYbvseAaGtVddLYktl3Qi/G+nW/ZzUXg4144izJjqCw==}
+
   '@xmldom/xmldom@0.8.10':
     resolution: {integrity: sha512-2WALfTl4xo2SkGCYRt6rDTFfk9R1czmBvUQy12gK2KuRKIpWEhcbbzy8EZXtz/jkRqHX8bFEc6FC1HjX4TUWYw==}
     engines: {node: '>=10.0.0'}
@@ -1869,6 +1881,9 @@ packages:
   code-points@2.0.0-1:
     resolution: {integrity: sha512-PuPoUdSqHY96e+CvEGe0+J9XkEqnQ4o79X+k+PJlZ84sZDoSJ2Q8/1OJT4dqYn8yL5EUxGCq/x2EcLEfvcGqaw==}
 
+  codec-parser@2.5.0:
+    resolution: {integrity: sha512-Ru9t80fV8B0ZiixQl8xhMTLru+dzuis/KQld32/x5T/+3LwZb0/YvQdSKytX9JqCnRdiupvAvyYJINKrXieziQ==}
+
   color-convert@1.9.3:
     resolution: {integrity: sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==}
 
@@ -3175,6 +3190,9 @@ packages:
   signal-exit@3.0.7:
     resolution: {integrity: sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==}
 
+  simple-yenc@1.0.4:
+    resolution: {integrity: sha512-5gvxpSd79e9a3V4QDYUqnqxeD4HGlhCakVpb6gMnDD7lexJggSBJRBO5h52y/iJrdXRilX9UCuDaIJhSWm5OWw==}
+
   slash@2.0.0:
     resolution: {integrity: sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==}
     engines: {node: '>=6'}
@@ -4838,6 +4856,8 @@ snapshots:
   '@esbuild/win32-x64@0.23.1':
     optional: true
 
+  '@eshaz/web-worker@1.2.2': {}
+
   '@gar/promisify@1.1.3': {}
 
   '@jridgewell/gen-mapping@0.3.5':
@@ -5183,6 +5203,16 @@ snapshots:
       - '@vue/composition-api'
       - vue
 
+  '@wasm-audio-decoders/common@9.0.5':
+    dependencies:
+      '@eshaz/web-worker': 1.2.2
+      simple-yenc: 1.0.4
+
+  '@wasm-audio-decoders/ogg-vorbis@0.1.16':
+    dependencies:
+      '@wasm-audio-decoders/common': 9.0.5
+      codec-parser: 2.5.0
+
   '@xmldom/xmldom@0.8.10': {}
 
   abbrev@1.1.1: {}
@@ -5462,6 +5492,8 @@ snapshots:
     dependencies:
       code-point: 1.1.0
 
+  codec-parser@2.5.0: {}
+
   color-convert@1.9.3:
     dependencies:
       color-name: 1.1.3
@@ -6841,6 +6873,8 @@ snapshots:
 
   signal-exit@3.0.7: {}
 
+  simple-yenc@1.0.4: {}
+
   slash@2.0.0: {}
 
   smart-buffer@4.2.0: {}
diff --git a/src/plugin/boss/palaceBossProjectile.ts b/src/plugin/boss/palaceBossProjectile.ts
index bb962ce..5df329a 100644
--- a/src/plugin/boss/palaceBossProjectile.ts
+++ b/src/plugin/boss/palaceBossProjectile.ts
@@ -69,6 +69,9 @@ export class SplittableBall extends Projectile<PalaceBoss> {
     private ax: number = 0;
     private ay: number = 0;
 
+    /** 是否已经分裂过 */
+    private splitted: boolean = false;
+
     static init(colors: Record<string, string[]>) {
         this.ball.clear();
         for (const [key, color] of Object.entries(colors)) {
@@ -192,6 +195,8 @@ export class SplittableBall extends Projectile<PalaceBoss> {
 
     private split(boss: PalaceBoss) {
         if (!this.splitData?.split) return;
+        if (this.splitted) return;
+        this.splitted = true;
         const {
             startAngle,
             endAngle,
@@ -258,4 +263,9 @@ export class SplittableBall extends Projectile<PalaceBoss> {
         const ctx = canvas.ctx;
         ctx.drawImage(texture.canvas, this.x - 16, this.y - 16, 32, 32);
     }
+
+    destroy(): void {
+        this.split(this.boss);
+        super.destroy();
+    }
 }