diff --git a/src/views/mainContainer.vue b/src/views/mainContainer.vue
index 6be84dd..37050bd 100644
--- a/src/views/mainContainer.vue
+++ b/src/views/mainContainer.vue
@@ -89,7 +89,7 @@ export default {
   }
 
   .heightper-top {
-    background: #f00;
+    border: 1px solid #2391FA;
     flex: 1;
   }