diff --git a/examples/express-plugin/package.json b/examples/express-plugin/package.json
index 46f4e2ef8..610730fc6 100644
--- a/examples/express-plugin/package.json
+++ b/examples/express-plugin/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@examples/express-plugin",
   "private": true,
+  "type": "module",
   "scripts": {
     "build": "rslib build"
   },
diff --git a/examples/module-federation/mf-host/package.json b/examples/module-federation/mf-host/package.json
index 5e69e98f8..33016efa6 100644
--- a/examples/module-federation/mf-host/package.json
+++ b/examples/module-federation/mf-host/package.json
@@ -2,6 +2,7 @@
   "name": "@examples/mf-host",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "scripts": {
     "build": "rsbuild build",
     "dev": "rsbuild dev",
diff --git a/examples/module-federation/mf-react-component/package.json b/examples/module-federation/mf-react-component/package.json
index 04be6567c..7578a3ff3 100644
--- a/examples/module-federation/mf-react-component/package.json
+++ b/examples/module-federation/mf-react-component/package.json
@@ -1,15 +1,16 @@
 {
   "name": "@examples/mf-react-component",
   "private": true,
+  "type": "module",
   "exports": {
     ".": {
       "types": "./dist/cjs/index.d.ts",
-      "import": "./dist/esm/index.mjs",
-      "require": "./dist/cjs/index.js"
+      "import": "./dist/esm/index.js",
+      "require": "./dist/cjs/index.cjs"
     }
   },
-  "main": "./dist/cjs/index.js",
-  "module": "./dist/esm/index.mjs",
+  "main": "./dist/cjs/index.cjs",
+  "module": "./dist/esm/index.js",
   "types": "./dist/cjs/index.d.ts",
   "scripts": {
     "build": "rslib build",
diff --git a/examples/module-federation/mf-remote/package.json b/examples/module-federation/mf-remote/package.json
index 57f58abb6..9b02c5e59 100644
--- a/examples/module-federation/mf-remote/package.json
+++ b/examples/module-federation/mf-remote/package.json
@@ -2,6 +2,7 @@
   "name": "@examples/mf-remote",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "scripts": {
     "build": "rsbuild build",
     "dev": "rsbuild dev",
diff --git a/examples/preact-component-bundle-false/package.json b/examples/preact-component-bundle-false/package.json
index 35d59dd15..a9b185f5e 100644
--- a/examples/preact-component-bundle-false/package.json
+++ b/examples/preact-component-bundle-false/package.json
@@ -1,8 +1,9 @@
 {
   "name": "@examples/preact-component-bundle-false",
   "private": true,
-  "main": "./dist/cjs/index.js",
-  "module": "./dist/esm/index.mjs",
+  "type": "module",
+  "main": "./dist/cjs/index.cjs",
+  "module": "./dist/esm/index.js",
   "types": "./dist/cjs/index.d.ts",
   "scripts": {
     "build": "rslib build"
diff --git a/examples/react-component-bundle-false/package.json b/examples/react-component-bundle-false/package.json
index a734726d8..10c550830 100644
--- a/examples/react-component-bundle-false/package.json
+++ b/examples/react-component-bundle-false/package.json
@@ -1,8 +1,9 @@
 {
   "name": "@examples/react-component-bundle-false",
   "private": true,
-  "main": "./dist/cjs/index.js",
-  "module": "./dist/esm/index.mjs",
+  "type": "module",
+  "main": "./dist/cjs/index.cjs",
+  "module": "./dist/esm/index.js",
   "types": "./dist/cjs/index.d.ts",
   "scripts": {
     "build": "rslib build"
diff --git a/examples/react-component-bundle/package.json b/examples/react-component-bundle/package.json
index 4d24c2d3b..ca1389763 100644
--- a/examples/react-component-bundle/package.json
+++ b/examples/react-component-bundle/package.json
@@ -1,8 +1,9 @@
 {
   "name": "@examples/react-component-bundle",
   "private": true,
-  "main": "./dist/cjs/index.js",
-  "module": "./dist/esm/index.mjs",
+  "type": "module",
+  "main": "./dist/cjs/index.cjs",
+  "module": "./dist/esm/index.js",
   "types": "./dist/cjs/index.d.ts",
   "scripts": {
     "build": "rslib build"
diff --git a/examples/react-component-umd/package.json b/examples/react-component-umd/package.json
index e2d720ec2..4154bb82d 100644
--- a/examples/react-component-umd/package.json
+++ b/examples/react-component-umd/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@examples/react-component-umd",
   "private": true,
+  "type": "module",
   "main": "./dist/umd/index.js",
   "unpkg": "./dist/umd/index.js",
   "scripts": {