diff --git a/package.json b/package.json
index 7e408dd..979d0b9 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,6 @@
     "antd": "^5.12.8",
     "crypto-js": "^4.2.0",
     "dayjs": "^1.11.10",
-    "dayjs-plugin-utc": "^0.1.2",
     "mobx": "^6.12.0",
     "mobx-react": "^9.1.0",
     "react": "^18.2.0",
diff --git a/tailwind.config.js b/tailwind.config.js
index 2ee32e8..bb50a51 100644
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -1,8 +1,7 @@
 /** @type {import('tailwindcss').Config} */
 export default {
   content: ['./index.html', './src/**/*.{vue,js,ts,jsx,tsx}'],
-  purge: ['./index.html', './src/**/*.{vue,js,ts,jsx,tsx}'],
-  darkMode: false,
+  darkMode: 'media',
   theme: {
     colors: {
       'whatsapp': '#25D366',