diff --git a/package.json b/package.json
index 9156242..1444475 100644
--- a/package.json
+++ b/package.json
@@ -18,11 +18,11 @@
   "files": [
     "dist"
   ],
-  "main": "./dist/index.js",
-  "module": "./dist/index.js",
-  "types": "./dist/index.d.ts",
+  "main": "./dist/index.mjs",
+  "module": "./dist/index.mjs",
+  "types": "./dist/index.d.mts",
   "exports": {
-    ".": "./dist/index.js",
+    ".": "./dist/index.mjs",
     "./package.json": "./package.json"
   },
   "publishConfig": {
@@ -67,5 +67,9 @@
   "engines": {
     "node": ">=20.19.0"
   },
-  "prettier": "@sxzz/prettier-config"
+  "prettier": "@sxzz/prettier-config",
+  "tsdown": {
+    "exports": true,
+    "inlineOnly": []
+  }
 }
diff --git a/src/index.ts b/src/index.ts
index 621d253..25ebf95 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -40,8 +40,10 @@ export function RequireCJS(userOptions: Options = {}): Plugin {
     },
     outputOptions(options) {
       if (!['es', 'esm', 'module'].includes(options.format as any)) {
-        throw new Error(
-          '`rolldown-plugin-require-cjs` plugin is only necessary for ESM output',
+        this.error(
+          new Error(
+            '`rolldown-plugin-require-cjs` plugin is only necessary for ESM output',
+          ),
         )
       }
     },