diff --git a/app/views/users/_returnTop_btn.html.erb b/app/views/users/_returnTop_btn.html.erb
index 71c3c7b6..1d5e9454 100644
--- a/app/views/users/_returnTop_btn.html.erb
+++ b/app/views/users/_returnTop_btn.html.erb
@@ -30,6 +30,16 @@
 
 </div>
 
-<div class="-task-sidebar" style="right: 236px;">
+<style>
+  .-task-sidebars{
+    position: fixed;
+    width: 40px;
+    height: 180px;
+    right: 0;
+    bottom: 30px;
+    z-index: 10;
+  }
+</style>
+<div class="-task-sidebars" style="right: 240px !important;">
   <img src="/images/educoder/competition/lvmeng.png" width="158px" height="158px">
 </div>
\ No newline at end of file