diff --git a/client/deno.jsonc b/client/deno.jsonc
index 0d27762..bf1351b 100644
--- a/client/deno.jsonc
+++ b/client/deno.jsonc
@@ -14,6 +14,8 @@
     "@types/react": "npm:@types/react@18.3.1",
     "@types/react-dom": "npm:@types/react-dom@18.3.1",
     "@vitejs/plugin-react": "npm:@vitejs/plugin-react@4.7.0",
+    "vite-plugin-babel": "npm:vite-plugin-babel@1.3.2",
+    "@babel/preset-env": "npm:@babel/preset-env@7.28.3",
     "react": "npm:react@18.3.1",
     "react-dom": "npm:react-dom@18.3.1",
     "vite": "npm:vite@7.0.6",
diff --git a/client/vite.config.ts b/client/vite.config.ts
index e0494a8..8cae720 100644
--- a/client/vite.config.ts
+++ b/client/vite.config.ts
@@ -1,13 +1,27 @@
 import { defineConfig } from 'vite'
 import deno from '@deno/vite-plugin'
 import react from '@vitejs/plugin-react'
-
+import pluginBabel from 'vite-plugin-babel'
 import config from '../server/config.ts'
 
 // https://vite.dev/config/
 export default defineConfig({
-    plugins: [deno(), react()],
+    plugins: [react(), pluginBabel({
+        babelConfig: {
+            presets: [
+                [
+                    '@babel/preset-env',
+                    {
+                        targets: {
+                            android: '70'
+                        },
+                    }
+                ],
+            ],
+        }
+    }), deno()],
     build: {
+        cssTarget: 'chrome70',
         sourcemap: true,
         outDir: "." + config.data_path + '/page_compiled',
     },