diff --git a/src/pages/exchangepage/template/preview.js b/src/pages/exchangepage/template/preview.js
index 7bb68698..414a96f9 100644
--- a/src/pages/exchangepage/template/preview.js
+++ b/src/pages/exchangepage/template/preview.js
@@ -37,7 +37,7 @@ export default class preview extends React.Component {
   componentDidUpdate() {
     if(this.props.step == 2){
       document.querySelector(".preview-show .goodstemplate").scrollTop = 0;
-    }else if(this.props.step == 3){
+    }else if(this.props.step == 3&&!this.state.detailactiveshow){
       document.querySelector(".preview-show .detailstemplate").scrollTop = 0;
     }else{
       document.querySelector("#previewbg").scrollTop = 0;
@@ -275,7 +275,9 @@ export default class preview extends React.Component {
                 backPrepage={(c) => this.showactivedetail(c)}
                 goodsdata={propsData.product_detail}
               />
-            ) : (<DetailView detaildata={propsData.product_detail} templateType={this.props.pageType} topImgshow={'https://lsxdemall.oss-cn-beijing.aliyuncs.com/MarketingSystem/img/goodsbigPic.png'} iptImgshow={'https://lsxdemall.oss-cn-beijing.aliyuncs.com/MarketingSystem/img/viewIpt.png'}/>)
+            ) : (<DetailView 
+              opendesc={c=>this.opendetaildescFn(c)}
+              detaildata={propsData.product_detail}   templateType={this.props.pageType} topImgshow={'https://lsxdemall.oss-cn-beijing.aliyuncs.com/MarketingSystem/img/goodsbigPic.png'} iptImgshow={'https://lsxdemall.oss-cn-beijing.aliyuncs.com/MarketingSystem/img/viewIpt.png'}/>)
           ) : null}
           {this.props.step == 4 ? (
             <Couponreduce templateType={this.props.pageType} detaildata={propsData.product_detail}/>