判空

6 years ago · a19771cb4c
parent e2fb524f23
commit a19771cb4c
1 changed files with 1 additions and 1 deletions
--- 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();