diff --git a/web/app/components/workflow/nodes/end/panel.tsx b/web/app/components/workflow/nodes/end/panel.tsx
index 0750064b93..a74ba51b6d 100644
--- a/web/app/components/workflow/nodes/end/panel.tsx
+++ b/web/app/components/workflow/nodes/end/panel.tsx
@@ -15,9 +15,9 @@ const Panel: FC<NodePanelProps<EndNodeType>> = ({
   data,
 }) => {
   const { t } = useTranslation()
-  const readOnly = false
 
   const {
+    readOnly,
     inputs,
     handleVarListChange,
     handleAddVariable,
@@ -31,7 +31,7 @@ const Panel: FC<NodePanelProps<EndNodeType>> = ({
         <Field
           title={t(`${i18nPrefix}.output.variable`)}
           operations={
-            <AddButton onClick={handleAddVariable} />
+            !readOnly ? <AddButton onClick={handleAddVariable} /> : undefined
           }
         >
           <VarList