fix: fix bugs

package.json

@@ -24,10 +24,6 @@
   "license": "MIT",
   "dependencies": {
     "@kevisual/router": "0.0.10",
-    "clsx": "^2.1.1",
-    "dayjs": "^1.11.13",
-    "lodash-es": "^4.17.21",
-    "lucide-react": "^0.487.0",
     "@tiptap/core": "^2.11.7",
     "@tiptap/extension-code-block-lowlight": "^2.11.7",
     "@tiptap/extension-document": "^2.11.7",
@@ -39,18 +35,23 @@
     "@tiptap/pm": "^2.11.7",
     "@tiptap/starter-kit": "^2.11.7",
     "@tiptap/suggestion": "^2.11.7",
+    "clsx": "^2.1.1",
+    "dayjs": "^1.11.13",
     "github-markdown-css": "^5.8.1",
     "highlight.js": "^11.11.1",
     "idb": "^8.0.2",
     "idb-keyval": "^6.2.1",
     "immer": "^10.1.1",
+    "lodash-es": "^4.17.21",
     "lowlight": "^3.3.0",
+    "lucide-react": "^0.487.0",
     "marked": "^15.0.7",
-    "tiptap-markdown": "^0.8.10",
     "nanoid": "^5.1.5",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-toastify": "^11.0.5",
+    "tiptap-markdown": "^0.8.10",
+    "turndown": "^7.2.0",
     "zustand": "^5.0.3"
   },
   "exports": {
@@ -67,6 +68,7 @@
     "@types/node": "^22.14.0",
     "@types/react": "^19.1.0",
     "@types/react-dom": "^19.1.1",
+    "@types/turndown": "^5.0.5",
     "@vitejs/plugin-basic-ssl": "^2.0.0",
     "@vitejs/plugin-react": "^4.3.4",
     "tailwindcss": "^4.1.3",