diff --git a/style/mobile/components/textarea/v2/_index.less b/style/mobile/components/textarea/v2/_index.less
index da3396cdfe..5a7076a9c1 100644
--- a/style/mobile/components/textarea/v2/_index.less
+++ b/style/mobile/components/textarea/v2/_index.less
@@ -64,7 +64,7 @@
     border: @textarea-border-width solid @textarea-border-color;
   }
 
-  .@{prefix}-is-disabled {
+  &--disabled {
     color: @textarea-disabled-text-color;
   }
 }