diff --git a/style/mobile/components/upload/_index.less b/style/mobile/components/upload/_index.less
index 57b3d413dc..bafb541ebe 100644
--- a/style/mobile/components/upload/_index.less
+++ b/style/mobile/components/upload/_index.less
@@ -20,6 +20,10 @@
       background: @upload-background;
       color: @upload-add-color;
     }
+
+    &-drag {
+      transition: transform 0.3s ease;
+    }
   }
 
   &__add-icon {