diff --git a/packages/dnd-design/src/panel-items/dnd-design/dnd-design.scss b/packages/dnd-design/src/panel-items/dnd-design/dnd-design.scss
index a7e663c747078e584960f5fd267a09e6bcf9525d..4b26c2c3fc56ab6bd846e24e25685e35783ffa09 100644
--- a/packages/dnd-design/src/panel-items/dnd-design/dnd-design.scss
+++ b/packages/dnd-design/src/panel-items/dnd-design/dnd-design.scss
@@ -15,6 +15,11 @@
   .dnd-design-fade-leave-to {
     opacity: 0;
   }
+
+  *::-webkit-scrollbar {
+    width: 6px;
+    height: 6px;
+  }
 }
 
 @include b(dnd-design-drag-container) {
diff --git a/packages/studio-theme/src/theme/studio-dark/ctrl.scss b/packages/studio-theme/src/theme/studio-dark/ctrl.scss
index ad84f2fae59e366d794f883d9f344bb34ac96f6a..d388dfe7ab077a937989a2b4ba59fb56eb529ea7 100644
--- a/packages/studio-theme/src/theme/studio-dark/ctrl.scss
+++ b/packages/studio-theme/src/theme/studio-dark/ctrl.scss
@@ -143,6 +143,11 @@
       }
     }
 
+    @include e(menu) {
+      .el-sub-menu.is-active .el-sub-menu__title {
+        border-bottom: none;
+      }
+    }
   }
   @include b(control-toolbar-actions-dropdown-popper) {
     min-width: unset;
@@ -264,6 +269,7 @@
         #{getCssVarName(form-group, header, height)}: 36px;
         #{getCssVarName(form-group, caption, font-weight)}: getCssVar(font-weight, regular);
         #{getCssVarName(form-group, caption, font-size)}: getCssVar(font-size, header, 6);
+        #{getCssVarName(form-group, show-more-color)}: getCssVar(color, primary, light, active);
     
         .#{bem(form-group-header, left)} {
           display: flex;