From a19771cb4cf1b8191e16e0de9349010c1371a809 Mon Sep 17 00:00:00 2001
From: hjm <63528605@qq.com>
Date: Fri, 30 Aug 2019 16:10:36 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=A4=E7=A9=BA?=
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---
 public/react/src/context/EvaluateSuccessEffectDisplay.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/react/src/context/EvaluateSuccessEffectDisplay.js b/public/react/src/context/EvaluateSuccessEffectDisplay.js
index ec34db31f..98e61520b 100644
--- a/public/react/src/context/EvaluateSuccessEffectDisplay.js
+++ b/public/react/src/context/EvaluateSuccessEffectDisplay.js
@@ -21,7 +21,7 @@ class EvaluateSuccessEffectDisplay extends Component {
     componentDidMount() {
         if (this.props.type == 'html') {
             const iframe = document.getElementById('_displayIframe')
-            if (iframe && iframe.contentWindow) {
+            if (iframe && iframe.contentWindow && this.props.iframe_src) {
                 iframe.contentWindow.open()
                 iframe.contentWindow.document.write(this.props.iframe_src);
                 iframe.contentWindow.document.close();