diff --git a/package.json b/package.json
index 2f0ebf3..8ac6208 100644
--- a/package.json
+++ b/package.json
@@ -9,10 +9,10 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "build": "webpack",
-    "manifest:dev": "cross-env NODE_ENV=dev node ./deploy/generate-manifest.js",
-    "manifest:prod": "cross-env NODE_ENV=prod node ./deploy/generate-manifest.js",
-    "release:dev": "npm run build && npm run manifest:dev && node ./deploy/zip.js",
-    "release:prod": "npm run build && npm run manifest:prod && node ./deploy/zip.js",
+    "manifest:dev": "cross-env NODE_ENV=development node ./deploy/generate-manifest.js",
+    "manifest:prod": "cross-env NODE_ENV=production node ./deploy/generate-manifest.js",
+    "release:dev": "cross-env NODE_ENV=development npm run build && npm run manifest:dev && node ./deploy/zip.js",
+    "release:prod": "cross-env NODE_ENV=production npm run build && npm run manifest:prod && node ./deploy/zip.js",
     "clear": "node ./deploy/clear.js",
     "deploy:dev": "npm run clear && npm run release:dev && node ./deploy/unzip.js",
     "deploy:prod": "npm run clear && npm run release:prod && node ./deploy/unzip.js"
@@ -23,7 +23,7 @@
   },
   "keywords": [],
   "author": "Haolin Zhong",
-  "license": "ISC",
+  "license": "MIT",
   "bugs": {
     "url": "https://github.com/xiaohajiayou/Leetcode-Mastery-Scheduler"
   },
diff --git a/webpack.config.js b/webpack.config.js
index 83361f6..dd960fe 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -24,7 +24,7 @@
 
 
 
-
+console.log(`[${process.env.NODE_ENV}]webpack.config.js loaded`);
 module.exports = {
     entry: {
         popup: {
@@ -54,13 +54,12 @@ module.exports = {
             }
         ]
     },
-    mode: 'production',
     // 开发模式，代码不会被压缩
-    // mode: 'development',
+    mode: process.env.NODE_ENV === 'development' ? 'development' : 'production',
     // 生成源码映射，方便调试
     devtool: 'source-map',
     // 关闭代码最小化
     optimization: {
-        minimize: false
+        minimize: process.env.NODE_ENV === 'production'
     }
 }
\ No newline at end of file