diff --git a/src/views/caseDetail.vue b/src/views/caseDetail.vue
index 359ce73..d143387 100644
--- a/src/views/caseDetail.vue
+++ b/src/views/caseDetail.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="main casemain" :class="{on: step == pageIndex }" :id="'pagemain'+pageIndex" v-show="step == pageIndex" >
     <img src="../assets/bg.png" alt="" class="bg" />
-    <div class="dealbox">
+    <div class="dealbox" style="position: relative;z-index:1;background:transparent;">
       <div class="prev" @click="switchPage(pageIndex - 1)">上一步</div>
     </div>
     <div class="content">
@@ -356,7 +356,7 @@ const onChange=(newIndex)=>{
   .bg {
     width: 100%;
     position: absolute;
-    z-index: -1;
+    z-index: 0;
   }
 
   .content {
diff --git a/src/views/caseIntro.vue b/src/views/caseIntro.vue
index 3695fbd..fa96aa4 100644
--- a/src/views/caseIntro.vue
+++ b/src/views/caseIntro.vue
@@ -219,7 +219,7 @@ onBeforeMount(() => {
     .bg {
         width: 100%;
         position: absolute;
-        z-index: -1;
+        z-index: 0;
     }
 
     .content {