diff --git a/app/src/assets/pages/mask.less b/app/src/assets/pages/mask.less
index 28cc28e..e1234f6 100644
--- a/app/src/assets/pages/mask.less
+++ b/app/src/assets/pages/mask.less
@@ -224,6 +224,12 @@
   &::-webkit-scrollbar {
     width: 0.25rem;
   }
+
+  .mask-item {
+    &:last-child {
+      border-bottom: none;
+    }
+  }
 }
 
 .mask-item {