diff --git a/app/views/users/_returnTop_btn.html.erb b/app/views/users/_returnTop_btn.html.erb
index 1d5e9454..c0e256c8 100644
--- a/app/views/users/_returnTop_btn.html.erb
+++ b/app/views/users/_returnTop_btn.html.erb
@@ -40,6 +40,7 @@
     z-index: 10;
   }
 </style>
+
 <div class="-task-sidebars" style="right: 240px !important;">
-  <img src="/images/educoder/competition/lvmeng.png" width="158px" height="158px">
+  <img src="/images/educoder/competition/lvmeng.png" width="150px" height="150px">
 </div>
\ No newline at end of file