diff --git a/.kktrc.ts b/.kktrc.ts
index 93bf7837..b013151b 100644
--- a/.kktrc.ts
+++ b/.kktrc.ts
@@ -19,6 +19,35 @@ export default (conf: Configuration, env: string, options: LoaderConfOptions) =>
   conf.plugins!.push(new webpack.DefinePlugin({
     VERSION: JSON.stringify(pkg.version),
   }));
-  conf.output = { ...conf.output, publicPath: './' }
+  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',
+          },
+          refractor: {
+            test: /[\\/]node_modules[\\/](refractor)[\\/]/,
+            name: 'refractor-prismjs-vendor',
+            chunks: 'all',
+          },
+          runtime: {
+            test: /[\\/]node_modules[\\/](@babel)[\\/]/,
+            name: 'babel-vendor',
+            chunks: 'all',
+          },
+          parse5: {
+            test: /[\\/]node_modules[\\/](parse5)[\\/]/,
+            name: 'parse5-vendor',
+            chunks: 'all',
+          },
+        }
+      }
+    }
+  }
   return conf;
 }
diff --git a/package.json b/package.json
index 7a4c13da..0977ef5e 100644
--- a/package.json
+++ b/package.json
@@ -28,18 +28,18 @@
   },
   "devDependencies": {
     "@uiw/react-github-corners": "1.5.3",
-    "@uiw/react-markdown-preview": "3.3.2",
+    "@uiw/react-markdown-preview": "3.4.7",
     "@uiw/react-shields": "1.1.2",
     "@uiw/reset.css": "1.0.5",
-    "@kkt/less-modules": "6.11.0",
-    "@kkt/raw-modules": "6.11.0",
-    "@kkt/scope-plugin-options": "6.11.0",
-    "@types/react": "17.0.20",
-    "@types/react-dom": "17.0.9",
+    "@kkt/less-modules": "7.0.5",
+    "@kkt/raw-modules": "7.0.5",
+    "@kkt/scope-plugin-options": "7.0.5",
+    "@types/react": "17.0.38",
+    "@types/react-dom": "17.0.11",
     "react": "17.0.2",
     "react-dom": "17.0.2",
-    "kkt": "6.11.0",
-    "tsbb": "3.2.1"
+    "kkt": "7.0.5",
+    "tsbb": "3.5.4"
   },
   "eslintConfig": {
     "extends": [
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" />