Fix basepath ipv6, fix sponsor.

package.json

@@ -3,7 +3,8 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "dotenv -- next dev --no-turbopack",
+    "dev": "dotenv -- next dev",
+    "clean": "rm -rf .next",
     "build": "next build",
     "start": "dotenv -- next start",
     "lint": "eslint",
@@ -24,6 +25,7 @@
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "dotenv-cli": "11.0.0",
+    "dotenv": "^17.4.2",
     "eslint": "^9",
     "eslint-config-next": "16.1.6",
     "sass": "^1.98.0",