diff --git a/.kktrc.ts b/.kktrc.ts
index ba69df47..c2805767 100644
--- a/.kktrc.ts
+++ b/.kktrc.ts
@@ -19,35 +19,40 @@ export default (conf: Configuration, env: string, options: LoaderConfOptions) =>
   conf.plugins!.push(new webpack.DefinePlugin({
     VERSION: JSON.stringify(pkg.version),
   }));
-  conf.optimization = {
-    ...conf.optimization,
-    splitChunks: {
-      cacheGroups: {
-        reactvendor: {
-          test: /[\\/]node_modules[\\/](react|react-dom)[\\/]/,
-          name: 'react-vendor',
-          chunks: 'all',
-        },
-        katex: {
-          test: /[\\/]node_modules[\\/](katex)[\\/]/,
-          name: 'katex-vendor',
-          chunks: 'all',
-        },
-        micromark: {
-          test: /[\\/]node_modules[\\/](micromark)[\\/]/,
-          name: 'micromark-vendor',
-          chunks: 'all',
-        },
-        prismjs: {
-          test: /[\\/]node_modules[\\/](prismjs)[\\/]/,
-          name: 'prismjs-vendor',
-          chunks: 'async',
-        },
-      },
-    },
-  };
   if (env === 'production') {
     conf.output = { ...conf.output, publicPath: './' };
+    conf.optimization = {
+      ...conf.optimization,
+      splitChunks: {
+        cacheGroups: {
+          reactvendor: {
+            test: /[\\/]node_modules[\\/](react|react-dom)[\\/]/,
+            name: 'react-vendor',
+            chunks: 'all',
+          },
+          prismjs: {
+            test: /[\\/]node_modules[\\/](prismjs)[\\/]/,
+            name: 'prismjs-vendor',
+            chunks: 'all',
+          },
+          micromark: {
+            test: /[\\/]node_modules[\\/](micromark)[\\/]/,
+            name: 'micromark-vendor',
+            chunks: 'all',
+          },
+          uiw: {
+            test: /[\\/]node_modules[\\/](\@uiw)[\\/]/,
+            name: 'uiw-vendor',
+            chunks: 'all',
+          },
+          parse5: {
+            test: /[\\/]node_modules[\\/](parse5)[\\/]/,
+            name: 'parse5-vendor',
+            chunks: 'all',
+          },
+        },
+      },
+    };
   }
   return conf;
 }
diff --git a/package.json b/package.json
index 08a72564..1e54320e 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,8 @@
     "css:watch": "compile-less -d src -o esm --watch",
     "css:build:dist": "compile-less -d src --combine dist.css --rm-global",
     "watch": "tsbb watch",
-    "build": "tsbb build && npm run css:build && npm run css:build:dist"
+    "build": "tsbb build && npm run css:build && npm run css:build:dist",
+    "map": "source-map-explorer build/static/js/*.js --html build/website-result.html"
   },
   "repository": {
     "type": "git",
@@ -39,15 +40,16 @@
   "devDependencies": {
     "@types/react": "17.0.38",
     "@types/react-dom": "17.0.11",
-    "@kkt/less-modules": "6.11.0",
-    "@kkt/raw-modules": "6.11.0",
-    "@kkt/scope-plugin-options": "6.11.0",
+    "@kkt/less-modules": "7.0.5",
+    "@kkt/raw-modules": "7.0.5",
+    "@kkt/scope-plugin-options": "7.0.5",
     "@uiw/react-github-corners": "1.5.3",
     "@uiw/react-markdown-preview": "3.4.7",
     "compile-less-cli": "1.8.11",
-    "kkt": "6.11.0",
+    "kkt": "7.0.5",
     "react": "17.0.2",
     "react-dom": "17.0.2",
+    "source-map-explorer": "2.5.2",
     "tsbb": "3.5.4"
   },
   "eslintConfig": {
diff --git a/src/react-app-env.d.ts b/src/react-app-env.d.ts
deleted file mode 100644
index 6431bc5f..00000000
--- a/src/react-app-env.d.ts
+++ /dev/null
@@ -1 +0,0 @@
-/// <reference types="react-scripts" />
diff --git a/tsconfig.json b/tsconfig.json
index b42b1d23..599a9b5c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -24,6 +24,7 @@
   },
   "include": [
     "website",
-    "src/**/*"
+    "src",
+    ".kktrc.ts"
   ]
 }