diff --git a/public/project/images/convert.bat b/public/project/images/convert.bat
deleted file mode 100644
index 7f461e7..0000000
--- a/public/project/images/convert.bat
+++ /dev/null
@@ -1,3 +0,0 @@
-for %%i in (*.jpg) do (
-    ffmpeg -i "%%i" -q:v 70 "%%~ni.webp"
-)
\ No newline at end of file
diff --git a/src/module/audio/decoder.ts b/src/module/audio/decoder.ts
index d38cfe2..829f74d 100644
--- a/src/module/audio/decoder.ts
+++ b/src/module/audio/decoder.ts
@@ -116,6 +116,7 @@ export abstract class AudioDecoder {
                 decodedData.channelData.forEach((v, i) => {
                     buffer.copyToChannel(v, i);
                 });
+                decoder.destroy();
                 return buffer;
             }
         }