diff --git a/src/views/Index.vue b/src/views/Index.vue
index 5fa976e3..d365bbdc 100644
--- a/src/views/Index.vue
+++ b/src/views/Index.vue
@@ -947,7 +947,6 @@
       width: 68px;
       height: 68px;
       margin: 0 auto;
-
       ::v-deep .el-avatar {
         width: 68px;
         height: 68px;
diff --git a/src/views/portal/case/Detail.vue b/src/views/portal/case/Detail.vue
index 2142483b..dfee3d44 100644
--- a/src/views/portal/case/Detail.vue
+++ b/src/views/portal/case/Detail.vue
@@ -391,11 +391,13 @@ export default {
       }
     },
     handleScroll() {
+       let innerw = document.querySelector("#fixd-box");
         let innerHeight = document.querySelector('#case-list-content').clientHeight
         let pdfTopBox = document.querySelector('#comments-box')
         let pdfPreview = document.querySelector('#pdfPreview') //pdf盒子距离顶部的高度
         let contentDiv = document.querySelector('#content-div').clientWidth;
-        let outerHeight = document.documentElement.clientHeight
+        let outerHeight = document.documentElement.clientHeight;
+        let outerWidth = innerw.clientWidth;
         let scrollTop = document.documentElement.scrollTop
         if ((outerHeight + scrollTop + 350) >= innerHeight) {
           if(this.moreState == 1 && this.course.pageIndex < 4) {
@@ -412,7 +414,7 @@ export default {
         }
         if(scrollTop > 630) {
           this.isTopBoxShow = true;
-          document.querySelector('#fixd-box').style.cssText = "position: fixed;top: -4420px;width:245.5px";
+          document.querySelector('#fixd-box').style.cssText = "position: fixed;top: -442px;width:"+outerWidth+"px";
         } else {
           document.querySelector('#fixd-box').style.cssText = "position: static";
         }
diff --git a/src/views/portal/case/Index.vue b/src/views/portal/case/Index.vue
index dd29c6d0..105546f4 100644
--- a/src/views/portal/case/Index.vue
+++ b/src/views/portal/case/Index.vue
@@ -1,6 +1,6 @@
 <template>
   <div id="case-list-content">
-    <div class="case-banner">
+    <div style="margin-bottom:30px" class="case-banner">
       <portal-header current="case" textColor="#fff" @emitInput="emitInput"></portal-header>
     </div>
     <div class="xcontent2">
@@ -476,9 +476,11 @@ export default {
       this.getCaseData();
     },
     handleScroll() {
+      let innerw = document.querySelector("#fixd-box");
       let innerHeight = document.querySelector("#case-list-content")
         .clientHeight;
       let outerHeight = document.documentElement.clientHeight;
+      let outerWidth = innerw.clientWidth;
       let scrollTop = document.documentElement.scrollTop;
       if (outerHeight + scrollTop + 350 >= innerHeight) {
         if (this.moreState == 1) {
@@ -487,7 +489,7 @@ export default {
       }
       if (scrollTop > 630) {
         document.querySelector("#fixd-box").style.cssText =
-          "position: fixed;top: -442px;width:410px";
+          "position: fixed;top: -442px;width:"+outerWidth+"px";
       } else {
         document.querySelector("#fixd-box").style.cssText = "position: static";
       }
diff --git a/src/views/portal/qa/Answer.vue b/src/views/portal/qa/Answer.vue
index d5942db6..e850568a 100644
--- a/src/views/portal/qa/Answer.vue
+++ b/src/views/portal/qa/Answer.vue
@@ -387,8 +387,10 @@ export default {
       })
     },
     handleScroll() {
+      let innerw = document.querySelector(".qa-ranking");
       let innerHeight = document.querySelector("#answer-detail").clientHeight;
       let outerHeight = document.documentElement.clientHeight;
+      let outerWidth = innerw.clientWidth;
       let scrollTop = document.documentElement.scrollTop;
       if (outerHeight + scrollTop + 350 >= innerHeight) {
         if (this.moreState == 1) {
@@ -397,7 +399,7 @@ export default {
       }
       if (scrollTop > 400) {
         document.querySelector(".qa-ranking").style.cssText =
-          "position: fixed;top: 0;width:410px";
+          "position: fixed;top: 0;width:"+outerWidth+"px";
       } else {
         document.querySelector(".qa-ranking").style.cssText =
           "position: static";
diff --git a/src/views/portal/qa/Index.vue b/src/views/portal/qa/Index.vue
index b5096dd4..39bad650 100644
--- a/src/views/portal/qa/Index.vue
+++ b/src/views/portal/qa/Index.vue
@@ -263,8 +263,10 @@ export default {
       this.dialogVisible = true;
     },
     handleScroll(){
+      let innerw = document.querySelector("#qa-fixd");
       let innerHeight = document.querySelector('#qa-list-content').clientHeight
       let outerHeight = document.documentElement.clientHeight
+      let outerWidth = innerw.clientWidth;
       let scrollTop = document.documentElement.scrollTop
       if ((outerHeight + scrollTop + 350) >= innerHeight) {
         if(this.moreState == 1) {
@@ -272,7 +274,7 @@ export default {
         }
       }
        if(scrollTop > 400) {
-          document.querySelector('#qa-fixd').style.cssText = "position: fixed;top: 0px;width:410px;";
+          document.querySelector('#qa-fixd').style.cssText = "position: fixed;top: 0px;width:"+outerWidth+"px";
         } else {
           document.querySelector('#qa-fixd').style.cssText = "position: static";
         }