diff --git a/src/views/portal/case/Detail.vue b/src/views/portal/case/Detail.vue
index 4b9310f2..179b509b 100644
--- a/src/views/portal/case/Detail.vue
+++ b/src/views/portal/case/Detail.vue
@@ -405,7 +405,7 @@ export default {
         }
         if(scrollTop > 630) {
           this.isTopBoxShow = true;
-          document.querySelector('#fixd-box').style.cssText = "position: fixed;top: -442px;width:"+outerWidth+"px";
+          document.querySelector('#fixd-box').style.cssText = "position: fixed;top: -400px;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 ff9b77dc..ba05b23f 100644
--- a/src/views/portal/case/Index.vue
+++ b/src/views/portal/case/Index.vue
@@ -499,7 +499,7 @@ export default {
       }
       if (scrollTop > 630) {
         document.querySelector("#fixd-box").style.cssText =
-          "position: fixed;top: -442px;width:"+outerWidth+"px";
+          "position: fixed;top: -400px;width:"+outerWidth+"px";
       } else {
         document.querySelector("#fixd-box").style.cssText = "position: static";
       }