diff --git a/.changeset/twenty-sheep-jam.md b/.changeset/twenty-sheep-jam.md
new file mode 100644
index 000000000..8ae736553
--- /dev/null
+++ b/.changeset/twenty-sheep-jam.md
@@ -0,0 +1,5 @@
+---
+"@wangeditor-next/plugin-formula": patch
+---
+
+chore(plugin-formula): add esm build plugins
diff --git a/packages/plugin-formula/rollup.config.js b/packages/plugin-formula/rollup.config.js
index 55c7e55f7..9151f1995 100644
--- a/packages/plugin-formula/rollup.config.js
+++ b/packages/plugin-formula/rollup.config.js
@@ -14,6 +14,11 @@ const esmConf = createRollupConfig({
     format: 'esm',
     name,
   },
+  plugins: [
+    string({
+      include: '**/*.css',
+    }),
+  ],
 })
 
 configList.push(esmConf)