diff --git a/packages/engine/package.json b/packages/engine/package.json
index 50768a335..f0fce903c 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -11,6 +11,9 @@
     "url": "https://github.com/didi/LogicFlow",
     "directory": "packages/engine"
   },
+  "browser": {
+    "vm": "./es/expression/browserVm.js"
+  },
   "license": "Apache-2.0",
   "scripts": {
     "dev": "cross-env NODE_ENV=development webpack-dev-server --client-log-level warning --config scripts/webpack.config.dev.js",
diff --git a/packages/engine/src/expression/browserVm.ts b/packages/engine/src/expression/browserVm.ts
index 12d609b51..1559b7b7d 100644
--- a/packages/engine/src/expression/browserVm.ts
+++ b/packages/engine/src/expression/browserVm.ts
@@ -5,30 +5,35 @@ import {
   getWarningMsg,
 } from '../constant/LogCode';
 
-const runInBrowserContext = async (code: string, globalData: any = {}) => {
+const createContext = (globalData) => {
   const iframe = document.createElement('iframe');
   iframe.style.display = 'none';
   if (!document || !document.body) {
     console.error(getErrorMsg(ErrorCode.NO_DOCUMENT_BODY));
   }
-  let res = null;
+  const iframeWindow = iframe.contentWindow as any;
+  iframeWindow.parent = null;
+  Object.keys(globalData).forEach((key) => {
+    iframeWindow[key] = globalData[key];
+  });
+  return iframeWindow;
+};
+const runInContext = (code, context) => {
   try {
-    document.body.appendChild(iframe);
-    const iframeWindow = iframe.contentWindow as any;
-    iframeWindow.parent = null;
-    const iframeEval = iframeWindow.eval;
-    Object.keys(globalData).forEach((key) => {
-      iframeWindow[key] = globalData[key];
-    });
-    iframeEval.call(iframeWindow, code);
-    res = iframeWindow;
+    const iframeEval = context.eval;
+    iframeEval.call(context, code);
   } catch (e) {
-    console.warn(getWarningMsg(WarningCode.EXPRESSION_EXEC_ERROR), { code, globalData, e });
+    console.warn(getWarningMsg(WarningCode.EXPRESSION_EXEC_ERROR), { code, context, e });
   }
-  document.body.removeChild(iframe);
-  return res;
+  return context;
+};
+const runInBrowserContext = async (code: string, globalData: any = {}) => {
+  const context = createContext(globalData);
+  runInContext(code, context);
+  return context;
 };
-
 export {
   runInBrowserContext,
+  createContext,
+  runInContext,
 };
diff --git a/packages/engine/src/expression/nodeVm.ts b/packages/engine/src/expression/nodeVm.ts
index 7d46a1e36..7d5b2e328 100644
--- a/packages/engine/src/expression/nodeVm.ts
+++ b/packages/engine/src/expression/nodeVm.ts
@@ -1,6 +1,7 @@
 /* eslint-disable global-require */
+const vm = require('vm');
+
 const runInNewContext = async (code: string, globalData: any = {}) => {
-  const vm = require('vm');
   const context = vm.createContext(globalData);
   vm.runInContext(code, context);
   return context;