diff --git a/@overflow/probe/component/download/download.component.html b/@overflow/probe/component/download/download.component.html
index a880929..244fab1 100644
--- a/@overflow/probe/component/download/download.component.html
+++ b/@overflow/probe/component/download/download.component.html
@@ -1,5 +1,5 @@
 <h1>Download</h1>
-<p-tabView orientation="left" (onChange)="onChange($event)" [activeIndex]="index">
+<p-tabView orientation="left" (onChange)="onChange($event)" [activeIndex]="index" class="ui-tab-bgcolor">
   <!-- 
     <p-tabPanel [header]="item.header" *ngFor="let item of items; let i = index" [selected]="i == 0">
         {{item.content}}
diff --git a/src/styles.scss b/src/styles.scss
index 9200980..baf21e5 100644
--- a/src/styles.scss
+++ b/src/styles.scss
@@ -414,6 +414,7 @@
             li {
                 display: inline-block;
                 vertical-align: top;
+                font-size: 12px !important;
                 //color: $textSecondaryColor;
 
                 &:nth-child(even) {
@@ -1852,4 +1853,9 @@ body .ui-progressbar .ui-progressbar-value {
 
 .ui-blockui.ui-widget-overlay {
     opacity: 0;
+}
+.ui-tab-bgcolor{
+     .ui-tabview-nav > li.ui-state-active {
+        background-color: #f3f3f3 !important;
+     }
 }
\ No newline at end of file