diff --git a/package.json b/package.json
index ce91d76..4afa85b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@antv/layout",
-  "version": "2.0.0-beta.1",
+  "version": "2.0.0-beta.2",
   "description": "graph layout algorithm",
   "main": "dist/index.min.js",
   "module": "lib/index.js",
diff --git a/rollup.config.mjs b/rollup.config.mjs
index 35a0ddb..ca110f8 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -27,7 +27,7 @@ const mainConfig = {
     {
       dir: 'lib',
       format: 'esm',
-      sourcemap: true,
+      sourcemap: false,
       preserveModules: true,
       preserveModulesRoot: 'src',
     }
@@ -48,7 +48,7 @@ const workerESMConfig = {
   output: {
     file: 'lib/worker.js',
     format: 'esm',
-    sourcemap: true,
+    sourcemap: false,
   },
   plugins: [
     resolve(),