diff --git a/components/select/style/index.less b/components/select/style/index.less
index 45aba5a454..91ac77accd 100644
--- a/components/select/style/index.less
+++ b/components/select/style/index.less
@@ -258,6 +258,7 @@
       background: transparent;
       outline: 0;
       border-radius: @border-radius-base;
+      line-height: 1;
     }
 
     .@{select-prefix-cls}-search__field__mirror {