diff --git a/packages/fineui/src/component/form/form.field.js b/packages/fineui/src/component/form/form.field.js
index 8cc80eae6..3260edc62 100644
--- a/packages/fineui/src/component/form/form.field.js
+++ b/packages/fineui/src/component/form/form.field.js
@@ -69,7 +69,7 @@ export class FormField extends Widget {
 
         return {
             type: VerticalAdaptLayout.xtype,
-            columnSize: ["auto", "fill"],
+            columnSize: isKey(o.label) ? ["auto", "fill"] : ["fill"],
             verticalAlign: VerticalAlign.Stretch,
             items: isKey(o.label)
                 ? [