diff --git a/src/ncmcrypt.cpp b/src/ncmcrypt.cpp
index a27ede1..6524bd1 100644
--- a/src/ncmcrypt.cpp
+++ b/src/ncmcrypt.cpp
@@ -253,9 +253,10 @@ void NeteaseCrypt::FixMetadata()
         tag->setAlbum(TagLib::String(mMetaData->album(), TagLib::String::UTF8));
     }
 
-    tag->setComment(TagLib::String("Create by netease copyright protected dump tool. author 5L", TagLib::String::UTF8));
+    tag->setComment(TagLib::String("Create by taurusxin/ncmdump.", TagLib::String::UTF8));
 
     audioFile->save();
+    audioFile->~File();
 }
 
 void NeteaseCrypt::Dump()