diff --git a/style/mobile/components/form/_index.less b/style/mobile/components/form/_index.less
index 350c8cf162..ab5fbd58f1 100644
--- a/style/mobile/components/form/_index.less
+++ b/style/mobile/components/form/_index.less
@@ -5,7 +5,7 @@
 .@{prefix}-form {
   background-color: @bg-color-container;
 
-  .@{prefix}-form__item {
+  .@{prefix}-form-item {
     display: flex;
     box-sizing: border-box;
     padding: @form-item-vertical-padding @form-item-horizontal-padding;