diff --git a/.vscode/launch.json b/.vscode/launch.json
index eadf70a..54d3b63 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -17,6 +17,19 @@
             ],
             "type": "pwa-node"
         },
+        {
+            "name": "Debugger Build",
+            "request": "launch",
+            "runtimeArgs": [
+                "run",
+                "dev:build"
+            ],
+            "runtimeExecutable": "npm",
+            "skipFiles": [
+                // "<node_internals>/**"
+            ],
+            "type": "pwa-node"
+        },
         {
             "type": "node",
             "request": "launch",
diff --git a/build/webpack.prod.conf.js b/build/webpack.prod.conf.js
index 7c8fc9c..34aabf7 100644
--- a/build/webpack.prod.conf.js
+++ b/build/webpack.prod.conf.js
@@ -8,12 +8,15 @@ const VueLoaderPlugin = require("vue-loader/lib/plugin");
 const SpriteLoaderPlugin = require("svg-sprite-loader/plugin");
 const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
 const TerserPlugin = require("terser-webpack-plugin");
+const BundleAnalyzerPlugin = require("webpack-bundle-analyzer").BundleAnalyzerPlugin;
 const SpeedMeasurePlugin = require("speed-measure-webpack-plugin");
 const smp = new SpeedMeasurePlugin();
 
 const env = require("../config/env.prod");
 const config = require("../config");
 const utils = require("./utils");
+const mode = process.argv.includes("mode=development") ? "development" : "production";
+const isShowAnalyzer = process.argv.includes("--bundle-analyzer");
 
 //说明：由于thread-loader当前引用的最新版本相关接口未与最新webpack版本接口兼容，所以暂时先关闭
 //问题：https://github.com/webpack-contrib/thread-loader/issues/135
@@ -33,7 +36,7 @@ threadLoader.warmup(
 
 const wrapConfig = smp.wrap(
   merge(baseWebpackConfig, {
-    mode: "production",
+    mode,
     output: {
       path: config.build.assetsRoot,
       filename: utils.assetsPath("js/[name].[chunkhash].js"),
@@ -43,7 +46,9 @@ const wrapConfig = smp.wrap(
     devtool: config.build.devtool,
     optimization: {
       minimizer: [new TerserPlugin(), new CssMinimizerPlugin()],
+      usedExports: true,
     },
+    // sideEffects: ["*.css"],
     module: {
       rules: [
         {
@@ -116,4 +121,8 @@ wrapConfig.plugins.push(
   })
 );
 
+if (isShowAnalyzer) {
+  wrapConfig.plugins.push(new BundleAnalyzerPlugin());
+}
+
 module.exports = wrapConfig;
diff --git a/package.json b/package.json
index 2f0541a..031197b 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,8 @@
   "scripts": {
     "dev": "webpack-dev-server --progress --config build/webpack.dev.conf.js",
     "build": "cross-env node build/index.js ENV_TYPE=1 platform=pc",
+    "build:analyzer": "cross-env node build/index.js ENV_TYPE=1 platform=pc --bundle-analyzer",
+    "dev:build": "cross-env node build/index.js ENV_TYPE=1 platform=pc mode=development",
     "test": "webpack --config build/webpack.prod.conf.js"
   },
   "dependencies": {
@@ -47,6 +49,7 @@
     "vue-style-loader": "^4.1.3",
     "vue-template-compiler": "^2.6.14",
     "webpack": "^5.68.0",
+    "webpack-bundle-analyzer": "^4.5.0",
     "webpack-cli": "^4.9.2",
     "webpack-dev-server": "^4.4.0",
     "webpack-merge": "^4.1.4"
diff --git a/src/main.js b/src/main.js
index 2c5f357..4b0553d 100644
--- a/src/main.js
+++ b/src/main.js
@@ -5,6 +5,9 @@ import Vue from "vue";
 import App from "./App";
 import router from "./router";
 import store from "./store";
+import { cube } from "@/utils/math";
+
+console.log("cube:", cube(5));
 
 export default new Vue({
   el: "#app",
diff --git a/src/utils/math.js b/src/utils/math.js
new file mode 100644
index 0000000..435c2c9
--- /dev/null
+++ b/src/utils/math.js
@@ -0,0 +1,7 @@
+export function square(x) {
+  return x * x;
+}
+
+export function cube(x) {
+  return x * x * x;
+}
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 9ab62cd..1e57f25 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -951,6 +951,11 @@
     "@nodelib/fs.scandir" "2.1.5"
     fastq "^1.6.0"
 
+"@polka/url@^1.0.0-next.20":
+  version "1.0.0-next.21"
+  resolved "https://registry.yarnpkg.com/@polka/url/-/url-1.0.0-next.21.tgz#5de5a2385a35309427f6011992b544514d559aa1"
+  integrity sha512-a5Sab1C4/icpTZVzZc5Ghpz88yQtGOyNqYXcZgOssB2uuAr+wF/MvN6bgtW32q7HHrvBki+BsZ0OuNv6EV3K9g==
+
 "@trysound/sax@0.2.0":
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/@trysound/sax/-/sax-0.2.0.tgz#cccaab758af56761eb7bf37af6f03f326dd798ad"
@@ -1312,7 +1317,12 @@ acorn-import-assertions@^1.7.6:
   resolved "https://registry.yarnpkg.com/acorn-import-assertions/-/acorn-import-assertions-1.8.0.tgz#ba2b5939ce62c238db6d93d81c9b111b29b855e9"
   integrity sha512-m7VZ3jwz4eK6A4Vtt8Ew1/mNbP24u0FhdyfA7fSvnJR6LMdfOYnmuIrrJAgrYfYJ10F/otaHTtrtrtmHdMNzEw==
 
-acorn@^8.4.1:
+acorn-walk@^8.0.0:
+  version "8.2.0"
+  resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-8.2.0.tgz#741210f2e2426454508853a2f44d0ab83b7f69c1"
+  integrity sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA==
+
+acorn@^8.0.4, acorn@^8.4.1:
   version "8.7.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.7.0.tgz#90951fde0f8f09df93549481e5fc141445b791cf"
   integrity sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==
@@ -2714,6 +2724,11 @@ dot-prop@^5.2.0:
   dependencies:
     is-obj "^2.0.0"
 
+duplexer@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.2.tgz#3abe43aef3835f8ae077d136ddce0f276b0400e6"
+  integrity sha512-jtD6YG370ZCIi/9GTaJKQxWTZD045+4R4hTk/x1UyoqadyJ9x9CgSi1RlVDQF8U2sxLLSnFkCaMihqljHIWgMg==
+
 ecc-jsbn@~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"
@@ -3310,6 +3325,13 @@ graceful-fs@^4.1.2, graceful-fs@^4.2.3, graceful-fs@^4.2.4, graceful-fs@^4.2.6,
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.9.tgz#041b05df45755e587a24942279b9d113146e1c96"
   integrity sha512-NtNxqUcXgpW2iMrfqSfR73Glt39K+BLwWsPs94yR63v45T0Wbej7eRmL5cWfwEgqXnmjQp3zaJTshdRW/qC2ZQ==
 
+gzip-size@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-6.0.0.tgz#065367fd50c239c0671cbcbad5be3e2eeb10e462"
+  integrity sha512-ax7ZYomf6jqPTQ4+XCpUGyXKHk5WweS+e05MBO4/y3WJ5RkmPXNKvX+bx1behVILVwr6JSQvZAku021CHPXG3Q==
+  dependencies:
+    duplexer "^0.1.2"
+
 handle-thing@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-2.0.1.tgz#857f79ce359580c340d43081cc648970d0bb234e"
@@ -4524,6 +4546,11 @@ mkdirp@^1.0.3:
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
   integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
 
+mrmime@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/mrmime/-/mrmime-1.0.0.tgz#14d387f0585a5233d291baba339b063752a2398b"
+  integrity sha512-a70zx7zFfVO7XpnQ2IX1Myh9yY4UYvfld/dikWRnsXxbyvMcfz+u6UfgNAtH+k2QqtJuzVpv6eLTx1G2+WKZbQ==
+
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
@@ -4853,6 +4880,11 @@ open@^8.0.9:
     is-docker "^2.1.1"
     is-wsl "^2.2.0"
 
+opener@^1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/opener/-/opener-1.5.2.tgz#5d37e1f35077b9dcac4301372271afdeb2a13598"
+  integrity sha512-ur5UIdyw5Y7yEj9wLzhqXiy6GZ3Mwx0yGI+5sMn2r0N0v3cKJvUmFH5yPP+WXh9e0xfyzyJX95D8l088DNFj7A==
+
 ora@^1.2.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/ora/-/ora-1.4.0.tgz#884458215b3a5d4097592285f93321bb7a79e2e5"
@@ -6310,6 +6342,15 @@ simple-swizzle@^0.2.2:
   dependencies:
     is-arrayish "^0.3.1"
 
+sirv@^1.0.7:
+  version "1.0.19"
+  resolved "https://registry.yarnpkg.com/sirv/-/sirv-1.0.19.tgz#1d73979b38c7fe91fcba49c85280daa9c2363b49"
+  integrity sha512-JuLThK3TnZG1TAKDwNIqNq6QA2afLOCcm+iE8D1Kj3GA40pSPsxQjjJl0J8X3tsR7T+CP1GavpzLwYkgVLWrZQ==
+  dependencies:
+    "@polka/url" "^1.0.0-next.20"
+    mrmime "^1.0.0"
+    totalist "^1.0.0"
+
 slash@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"
@@ -6853,6 +6894,11 @@ toidentifier@1.0.1:
   resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.1.tgz#3be34321a88a820ed1bd80dfaa33e479fbb8dd35"
   integrity sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==
 
+totalist@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/totalist/-/totalist-1.1.0.tgz#a4d65a3e546517701e3e5c37a47a70ac97fe56df"
+  integrity sha512-gduQwd1rOdDMGxFG1gEvhV88Oirdo2p+KjoYFU7k2g+i7n6AFFbDQ5kMPUsW0pNbfQsB/cwXvT1i4Bue0s9g5g==
+
 tough-cookie@~2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.5.0.tgz#cd9fb2a0aa1d5a12b473bd9fb96fa3dcff65ade2"
@@ -7147,6 +7193,21 @@ wbuf@^1.1.0, wbuf@^1.7.3:
   dependencies:
     minimalistic-assert "^1.0.0"
 
+webpack-bundle-analyzer@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/webpack-bundle-analyzer/-/webpack-bundle-analyzer-4.5.0.tgz#1b0eea2947e73528754a6f9af3e91b2b6e0f79d5"
+  integrity sha512-GUMZlM3SKwS8Z+CKeIFx7CVoHn3dXFcUAjT/dcZQQmfSZGvitPfMob2ipjai7ovFFqPvTqkEZ/leL4O0YOdAYQ==
+  dependencies:
+    acorn "^8.0.4"
+    acorn-walk "^8.0.0"
+    chalk "^4.1.0"
+    commander "^7.2.0"
+    gzip-size "^6.0.0"
+    lodash "^4.17.20"
+    opener "^1.5.2"
+    sirv "^1.0.7"
+    ws "^7.3.1"
+
 webpack-cli@^4.9.2:
   version "4.9.2"
   resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-4.9.2.tgz#77c1adaea020c3f9e2db8aad8ea78d235c83659d"
@@ -7332,6 +7393,11 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
+ws@^7.3.1:
+  version "7.5.7"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.7.tgz#9e0ac77ee50af70d58326ecff7e85eb3fa375e67"
+  integrity sha512-KMvVuFzpKBuiIXW3E4u3mySRO2/mCHSyZDJQM5NQ9Q9KHWHWh0NHgfbRMLLrceUK5qAL4ytALJbpRMjixFZh8A==
+
 ws@^8.4.2:
   version "8.5.0"
   resolved "https://registry.yarnpkg.com/ws/-/ws-8.5.0.tgz#bfb4be96600757fe5382de12c670dab984a1ed4f"