diff --git a/packages/vant-css/src/tab.css b/packages/vant-css/src/tab.css
index 4d597453c..25996d385 100644
--- a/packages/vant-css/src/tab.css
+++ b/packages/vant-css/src/tab.css
@@ -56,12 +56,12 @@ $van-tabs-card-height: 30px;
       margin: 0 15px;
       border-radius: 2px;
       box-sizing: border-box;
+      border: 1px solid $red;
       height: $van-tabs-card-height;
-      border: 1px solid $gray-darker;
 
       .van-tab {
-        color: $gray-darker;
-        border-right: 1px solid $gray-darker;
+        color: $red;
+        border-right: 1px solid $red;
         line-height: calc($van-tabs-card-height - 2px);
 
         &:last-child {
@@ -70,7 +70,7 @@ $van-tabs-card-height: 30px;
 
         &.van-tab--active {
           color: $white;
-          background-color: $gray-darker;
+          background-color: $red;
         }
       }
     }