diff --git a/package.json b/package.json
index dcf7290..18ff41c 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "build": "esbuild src/index.js --minify --bundle --format=esm --target=esnext --outfile=dist/index.js"
   },
   "dependencies": {
+    "iofs": "^1.5.3",
     "svg2ttf": "^6.0.3",
     "ttf2svg": "^1.2.0",
     "ttf2woff2": "^5.0.0"
diff --git a/src/lib/core.js b/src/lib/core.js
new file mode 100644
index 0000000..5b02524
--- /dev/null
+++ b/src/lib/core.js
@@ -0,0 +1,12 @@
+/**
+ * {}
+ * @author yutent<yutent.io@gmail.com>
+ * @date 2024/02/02 10:23:28
+ */
+import fs from 'iofs'
+
+import svg2ttf from 'svg2ttf'
+import ttf2svg from 'ttf2svg'
+import ttf2woff2 from 'ttf2woff2'
+
+export default {}