diff --git a/src/tabbar/index.less b/src/tabbar/index.less
index 92c3fc86b..7340ecf94 100644
--- a/src/tabbar/index.less
+++ b/src/tabbar/index.less
@@ -2,6 +2,7 @@
 
 .van-tabbar {
   display: flex;
+  box-sizing: content-box;
   width: 100%;
   height: @tabbar-height;
   background-color: @tabbar-background-color;