From 635b2e00914b88e5b8c1d88b6a31d9eb7a5c8999 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=8D=A3=E5=BD=AC?= <rongbin.arb@alibaba-inc.com>
Date: Tue, 21 Jul 2020 15:23:34 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9Eref=E6=A3=80=E6=B5=8B?=
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---
 packages/rax-render/src/engine/base.jsx | 2 +-
 packages/rax-render/src/utils/index.js  | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/packages/rax-render/src/engine/base.jsx b/packages/rax-render/src/engine/base.jsx
index a10ca50bb..016a21dbb 100644
--- a/packages/rax-render/src/engine/base.jsx
+++ b/packages/rax-render/src/engine/base.jsx
@@ -346,7 +346,7 @@ export default class BaseEngine extends Component {
       engine.createElement(
       Comp,
         props,
-      (!isFileSchema(schema)
+      (!isFileSchema(schema) &&
           !!schema.children &&
           this.__createVirtualDom(
             isJSExpression(schema.children) ? parseExpression(schema.children, self) : schema.children,
diff --git a/packages/rax-render/src/utils/index.js b/packages/rax-render/src/utils/index.js
index e6119969b..9100f9619 100644
--- a/packages/rax-render/src/utils/index.js
+++ b/packages/rax-render/src/utils/index.js
@@ -268,9 +268,7 @@ export function generateI18n(locale = 'zh-CN', messages = {}) {
  * @param {*} Comp 需要判断的组件
  */
 export function acceptsRef(Comp) {
-  return (
-    (Comp.$$typeof && Comp.$$typeof === REACT_FORWARD_REF_TYPE) || (Comp.prototype && Comp.prototype.isReactComponent)
-  );
+  return Comp && Comp.prototype && Comp.prototype.setState;
 }
 
 /**