diff --git a/packages/vant-popperjs/.eslintignore b/packages/vant-popperjs/.eslintignore
deleted file mode 100644
index a65b41774..000000000
--- a/packages/vant-popperjs/.eslintignore
+++ /dev/null
@@ -1 +0,0 @@
-lib
diff --git a/packages/vant-popperjs/build.js b/packages/vant-popperjs/build.js
deleted file mode 100644
index b045310bc..000000000
--- a/packages/vant-popperjs/build.js
+++ /dev/null
@@ -1 +0,0 @@
-require('../vant-use/build.cjs');
diff --git a/packages/vant-popperjs/package.json b/packages/vant-popperjs/package.json
index bc1438166..5697bf595 100644
--- a/packages/vant-popperjs/package.json
+++ b/packages/vant-popperjs/package.json
@@ -2,13 +2,15 @@
   "name": "@vant/popperjs",
   "version": "1.3.0",
   "description": "Pre-compiled popperjs core",
-  "main": "dist/index.cjs.js",
-  "module": "dist/index.esm.mjs",
+  "type": "module",
+  "main": "dist/index.cjs",
+  "module": "dist/index.js",
   "types": "dist/index.d.ts",
   "exports": {
     ".": {
-      "import": "./dist/index.esm.mjs",
-      "require": "./dist/index.cjs.js"
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js",
+      "require": "./dist/index.cjs"
     }
   },
   "sideEffects": false,
@@ -20,11 +22,8 @@
     "registry": "https://registry.npmjs.org/"
   },
   "scripts": {
-    "clean": "rimraf ./dist",
-    "dev": "node ./build.js -w",
-    "build:types": "tsc -p ./tsconfig.json --emitDeclarationOnly",
-    "build:bundle": "node ./build.js",
-    "build": "pnpm clean && pnpm build:bundle && pnpm build:types",
+    "dev": "rslib dev",
+    "build": "rslib build",
     "release": "vant-cli release",
     "prepare": "pnpm build"
   },
@@ -38,8 +37,7 @@
   "license": "MIT",
   "devDependencies": {
     "@popperjs/core": "^2.11.8",
-    "esbuild": "^0.24.0",
-    "rimraf": "^6.0.1",
+    "@rslib/core": "^0.1.3",
     "typescript": "^5.7.2"
   }
 }
diff --git a/packages/vant-popperjs/rslib.config.ts b/packages/vant-popperjs/rslib.config.ts
new file mode 100644
index 000000000..896e44abc
--- /dev/null
+++ b/packages/vant-popperjs/rslib.config.ts
@@ -0,0 +1,11 @@
+import { defineConfig } from '@rslib/core';
+
+export default defineConfig({
+  lib: [
+    { format: 'esm', syntax: ['Chrome 53'], dts: true },
+    { format: 'cjs', syntax: ['Chrome 53'] },
+  ],
+  output: {
+    target: 'web',
+  },
+});
diff --git a/packages/vant-use/build.cjs b/packages/vant-use/build.cjs
deleted file mode 100644
index 65c692e9c..000000000
--- a/packages/vant-use/build.cjs
+++ /dev/null
@@ -1,40 +0,0 @@
-const { build, context } = require('esbuild');
-
-async function bundle(format) {
-  const ext = format === 'esm' ? '.mjs' : '.js';
-  const outfile = `dist/index.${format}${ext}`;
-  const finish = () => console.log('Build finished:', outfile);
-
-  const options = {
-    format,
-    bundle: true,
-    target: ['chrome53'],
-    outfile,
-    // preserve Chinese character
-    charset: 'utf8',
-    external: ['vue', 'vant'],
-    entryPoints: ['./src/index.ts'],
-  };
-
-  if (process.argv.includes('-w')) {
-    const loggerPlugin = {
-      name: 'loggerPlugin',
-      setup(build) {
-        build.onEnd(finish);
-      },
-    };
-
-    const ctx = await context({
-      ...options,
-      plugins: [loggerPlugin],
-    });
-
-    await ctx.watch();
-  } else {
-    await build(options);
-    finish();
-  }
-}
-
-bundle('esm');
-bundle('cjs');
diff --git a/packages/vant-use/package.json b/packages/vant-use/package.json
index 680f23902..c03649403 100644
--- a/packages/vant-use/package.json
+++ b/packages/vant-use/package.json
@@ -37,7 +37,6 @@
   "license": "MIT",
   "devDependencies": {
     "@rslib/core": "^0.1.3",
-    "esbuild": "^0.24.0",
     "typescript": "^5.7.2",
     "vue": "^3.5.13"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8037bffb7..2f73c6b39 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -329,12 +329,9 @@ importers:
       '@popperjs/core':
         specifier: ^2.11.8
         version: 2.11.8
-      esbuild:
-        specifier: ^0.24.0
-        version: 0.24.0
-      rimraf:
-        specifier: ^6.0.1
-        version: 6.0.1
+      '@rslib/core':
+        specifier: ^0.1.3
+        version: 0.1.3(typescript@5.7.2)
       typescript:
         specifier: ^5.7.2
         version: 5.7.2
@@ -346,9 +343,6 @@ importers:
       '@rslib/core':
         specifier: ^0.1.3
         version: 0.1.3(typescript@5.7.2)
-      esbuild:
-        specifier: ^0.24.0
-        version: 0.24.0
       typescript:
         specifier: ^5.7.2
         version: 5.7.2