diff --git a/packages/rax-render/package.json b/packages/rax-render/package.json
index 3d94e3d9f..c0ed599de 100644
--- a/packages/rax-render/package.json
+++ b/packages/rax-render/package.json
@@ -61,5 +61,6 @@
   "publishConfig": {
     "registry": "https://registry.npm.alibaba-inc.com"
   },
-  "license": "MIT"
+  "license": "MIT",
+  "homepage": "https://unpkg.alibaba-inc.com/@ali/lowcode-rax-renderer@0.1.2/build/index.html"
 }
diff --git a/packages/rax-render/src/engine/index.jsx b/packages/rax-render/src/engine/index.jsx
index 67f5d5fd9..2a4af143f 100644
--- a/packages/rax-render/src/engine/index.jsx
+++ b/packages/rax-render/src/engine/index.jsx
@@ -1,8 +1,8 @@
 /* eslint-disable */
-import { Component, createElement as raxCreateElement } from 'rax';
+import { Component, createElement } from 'rax';
 import PropTypes from 'prop-types';
 import Debug from 'debug';
-import * as isEmpty from 'lodash/isEmpty';
+import isEmpty from 'lodash/isEmpty';
 import findDOMNode from 'rax-find-dom-node';
 import { isFileSchema, goldlog } from '../utils';
 import AppContext from '../context/appContext';
@@ -21,6 +21,8 @@ const ENGINE_COMPS = {
   TempEngine,
 };
 
+const raxCreateElement = createElement;
+
 class FaultComponent extends Component {
   render() {
     // FIXME: errorlog
@@ -169,9 +171,10 @@ export default class Engine extends Component {
         Comp = ENGINE_COMPS[`${componentName}Engine`];
       }
     }
-    if (Comp) {
-      return (
-        <AppContext.Provider
+
+    return (
+      Comp
+      ? <AppContext.Provider
           value={{
             appHelper,
             components: allComponents,
@@ -189,9 +192,8 @@ export default class Engine extends Component {
             {...this.props}
           />
         </AppContext.Provider>
-      );
-    }
-    return null;
+      : null
+    );
   }
 }
 
diff --git a/packages/rax-simulator-renderer/package.json b/packages/rax-simulator-renderer/package.json
index 874fa07df..f2bbbde4c 100644
--- a/packages/rax-simulator-renderer/package.json
+++ b/packages/rax-simulator-renderer/package.json
@@ -8,6 +8,7 @@
   "license": "MIT",
   "files": [],
   "scripts": {
+    "build": "build-scripts build",
     "cloud-build": "build-scripts build --skip-demo",
     "test": "ava",
     "test:snapshot": "ava --update-snapshots"
diff --git a/packages/rax-simulator-renderer/src/renderer-view.tsx b/packages/rax-simulator-renderer/src/renderer-view.tsx
index 6956c4ceb..5f8e974ca 100644
--- a/packages/rax-simulator-renderer/src/renderer-view.tsx
+++ b/packages/rax-simulator-renderer/src/renderer-view.tsx
@@ -1,6 +1,7 @@
 import { Fragment, Component, createElement } from 'rax';
 // import { observer } from './obx-rax/observer';
-import RaxEngine from '@ali/lowcode-rax-renderer';
+// import RaxEngine from '@ali/lowcode-rax-renderer/lib/index';
+import RaxEngine from '../../rax-render/lib/index';
 import { SimulatorRenderer } from './renderer';
 import { host } from './host';
 
diff --git a/packages/rax-simulator-renderer/src/renderer.ts b/packages/rax-simulator-renderer/src/renderer.ts
index 71cffbba0..67bb30b01 100644
--- a/packages/rax-simulator-renderer/src/renderer.ts
+++ b/packages/rax-simulator-renderer/src/renderer.ts
@@ -393,20 +393,20 @@ function matcher(parent: any) {
 function getNodeInstance(dom: HTMLElement): NodeInstance<any> | null {
   const INTERNAL = '_internal';
   let instance = Instance.get(dom);
-  let parent;
+  let node;
   while (instance && instance[INTERNAL]) {
     if (matcher(instance)) {
-      parent = instance;
+      node = instance;
       break;
     }
     instance = instance[INTERNAL].__parentInstance;
   }
-  if (!parent) {
+  if (!node) {
     return null;
   }
   return {
-    nodeId: parent.props.componentId,
-    instance: parent
+    nodeId: node.props.componentId,
+    instance: node
   }
   // return parent;
   // const instance = fiberNode.stateNode;