From 42e80659b6094b62430fcbed26aad25b368ee106 Mon Sep 17 00:00:00 2001
From: JzoNg <jzongcode@gmail.com>
Date: Wed, 21 Jan 2026 17:02:17 +0800
Subject: [PATCH] fix: name validation for output variable

---
 .../base/prompt-editor/plugins/hitl-input-block/input-field.tsx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/web/app/components/base/prompt-editor/plugins/hitl-input-block/input-field.tsx b/web/app/components/base/prompt-editor/plugins/hitl-input-block/input-field.tsx
index 6a461b6bd9..657a09b890 100644
--- a/web/app/components/base/prompt-editor/plugins/hitl-input-block/input-field.tsx
+++ b/web/app/components/base/prompt-editor/plugins/hitl-input-block/input-field.tsx
@@ -38,6 +38,8 @@ const InputField: React.FC<Props> = ({
     const name = tempPayload.output_variable_name.trim()
     if (!name)
       return false
+    if (name.includes(' '))
+      return false
     return /(?:[a-z_]\w{0,29}){1,10}/.test(name)
   }, [tempPayload.output_variable_name])
   const handleSave = useCallback(() => {