update

package.json

@@ -18,6 +18,7 @@
     "github-markdown-css": "^5.8.1",
     "highlight.js": "^11.11.1",
     "marked": "^15.0.7",
+    "marked-alert": "^2.1.2",
     "marked-highlight": "^2.2.1",
     "naive-ui": "^2.41.0",
     "normalize.css": "^8.0.1",