diff --git a/packages/tag/index.wxml b/packages/tag/index.wxml
index b22107b8..e8cef802 100644
--- a/packages/tag/index.wxml
+++ b/packages/tag/index.wxml
@@ -1,5 +1,5 @@
 <view
-  class="van-hairline--surround van-tag custom-class {{ mark ? 'van-tag--mark' : '' }} {{ plain ? 'van-tag--plain' : '' }} {{ type ? 'van-tag--' + type : '' }}"
+  class="van-tag custom-class {{ mark ? 'van-tag--mark' : '' }} {{ plain ? 'van-tag--plain van-hairline--surround' : '' }} {{ type ? 'van-tag--' + type : '' }}"
 >
   <slot />
 </view>