diff --git a/style/web/components/checkbox/_index.less b/style/web/components/checkbox/_index.less
index a9a0e4057d..3dc0add6d9 100644
--- a/style/web/components/checkbox/_index.less
+++ b/style/web/components/checkbox/_index.less
@@ -48,6 +48,7 @@
     border-radius: @checkbox-border-radius;
     background-color: @checkbox-input-color;
     box-sizing: border-box;
+    flex-shrink: 0;
 
     &::after {
       content: "";