diff --git a/src/views/Survey/views/Preview/Index.vue b/src/views/Survey/views/Preview/Index.vue
index db294d4..95f5040 100644
--- a/src/views/Survey/views/Preview/Index.vue
+++ b/src/views/Survey/views/Preview/Index.vue
@@ -1,6 +1,6 @@
 <template>
   <!--  <layout />-->
-  <div ref="scrollbar" class="preview-container" v-memo="[currentSn]">
+  <div ref="scrollbar" class="preview-container">
     <!--    <van-nav-bar :title="getDomString(questionsData?.survey?.title)" left-arrow />-->
 
     <!--     进度条 -->
@@ -1315,6 +1315,7 @@ function clearAnswer(questions) {
 
 .preview-container {
   overflow: scroll;
+  height: 100%;
   max-height: calc(100vh - var(--sticky-top-height) - 65px - 40px);
 
   //min-height: calc(100vh - 100px);