fix bug

src/pages/project/index.js

@@ -126,8 +126,8 @@ export default class Index extends Component {
 
     getIndexShare().then(res => {
       this.setState({
-        shareImg: res.imgUrl || 'https://estateagents.oss-cn-shanghai.aliyuncs.com/miniapp/upload/images/1574145199853-97feda7895c65be33aa234a7b81b37f.jpg',
-        imgDocument: res.imgDocument,
+        shareImg: (res || {}).imgUrl || 'https://estateagents.oss-cn-shanghai.aliyuncs.com/miniapp/upload/images/1574145199853-97feda7895c65be33aa234a7b81b37f.jpg',
+        imgDocument: (res || {}).imgDocument,
       })
     })
     if (this.props.curCity.id) {