diff --git a/.kktrc.ts b/.kktrc.ts
index 952d20fc..1d64ae12 100644
--- a/.kktrc.ts
+++ b/.kktrc.ts
@@ -1,7 +1,6 @@
 import path from 'path';
 import webpack, { Configuration } from 'webpack';
 import { LoaderConfOptions } from 'kkt';
-import WebpackDevServer from 'webpack-dev-server';
 import lessModules from '@kkt/less-modules';
 import rawModules from '@kkt/raw-modules';
 import scopePluginOptions from '@kkt/scope-plugin-options';
@@ -21,15 +20,24 @@ export default (conf: Configuration, env: 'development' | 'production', options:
     }),
   );
   if (env === 'production') {
+    conf.optimization = {
+      ...conf.optimization,
+      splitChunks: {
+        cacheGroups: {
+          reactvendor: {
+            test: /[\\/]node_modules[\\/](react|react-dom)[\\/]/,
+            name: 'react-vendor',
+            chunks: 'all',
+          },
+          prismjs: {
+            test: /[\\/]node_modules[\\/](refractor)[\\/]/,
+            name: 'refractor-vendor',
+            chunks: 'all',
+          },
+        },
+      },
+    };
     conf.output = { ...conf.output, publicPath: './' };
   }
   return conf;
 };
-
-/**
- * Modify WebpackDevServer Configuration Example
- */
-export const devServer = (config: WebpackDevServer.Configuration) => {
-  // Return your customised Webpack Development Server config.
-  return config;
-};
diff --git a/package.json b/package.json
index 08ecb7d4..2f03383b 100644
--- a/package.json
+++ b/package.json
@@ -49,9 +49,9 @@
     "react-dom": ">=16.9.0"
   },
   "devDependencies": {
-    "@kkt/less-modules": "6.11.0",
-    "@kkt/raw-modules": "6.11.0",
-    "@kkt/scope-plugin-options": "6.11.0",
+    "@kkt/less-modules": "7.0.4",
+    "@kkt/raw-modules": "7.0.4",
+    "@kkt/scope-plugin-options": "7.0.4",
     "@types/react": "17.0.38",
     "@types/react-dom": "17.0.11",
     "@types/react-test-renderer": "17.0.1",
@@ -60,14 +60,14 @@
     "@uiw/react-split": "5.8.4",
     "@uiw/react-textarea-code-editor": "1.4.14",
     "husky": "7.0.4",
-    "kkt": "6.11.0",
+    "kkt": "7.0.4",
     "lint-staged": "12.1.5",
     "prettier": "2.5.1",
     "react": "17.0.2",
     "react-dom": "17.0.2",
     "react-router-dom": "6.2.1",
     "react-test-renderer": "17.0.2",
-    "tsbb": "3.4.4"
+    "tsbb": "3.5.4"
   },
   "eslintConfig": {
     "extends": [