音乐资源释放时，同时释放AudioClip对象

assets/core/common/audio/AudioEffect.ts

@@ -64,7 +64,9 @@ export class AudioEffect extends AudioSource {
      */
     release(url: string) {
         if (this.effects.has(url)) {
+            var ac = this.effects.get(url);
             this.effects.delete(url);
+            ac?.destroy();
             oops.res.release(url);
         }
     }

assets/core/common/audio/AudioMusic.ts

@@ -81,6 +81,7 @@ export class AudioMusic extends AudioSource {
     /** 释放当前背景音乐资源 */
     release() {
         if (this._url) {
+            this.clip?.destroy();
             oops.res.release(this._url);
             this._url = null!;
         }