diff --git a/packages/switch/index.less b/packages/switch/index.less
index ce5e0ca92..c73b087ab 100644
--- a/packages/switch/index.less
+++ b/packages/switch/index.less
@@ -29,6 +29,7 @@
     left: 25%;
     width: 50%;
     height: 50%;
+    line-height: 1;
   }
 
   &--on {