diff --git a/webpack.config.js b/webpack.config.js
index f06620a3..41e6a9f9 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -102,6 +102,7 @@ const plugins = debug ? [cleanTask, definePlugin, copyTask, htmlTask] : [cleanTa
     new CompressionPlugin({
         threshold: 100000,
         minRatio: 0.8,
+        deleteOriginalAssets: true,
     }),
     copyTask,
     htmlTask,
@@ -121,7 +122,11 @@ const optimization = {
                 warnings: false,
             },
         },
-        extractComments: false,
+        extractComments: {
+            condition: /^\**!|@preserve|@license|@cc_on/i,
+            filename: 'ATTRIBUTION.txt',
+            banner: false,
+        },
     })],
 };