From d21cf87bb601ea19f6149a255281c72c804451ba Mon Sep 17 00:00:00 2001
From: JzoNg <jzongcode@gmail.com>
Date: Mon, 12 Jan 2026 15:12:08 +0800
Subject: [PATCH] add check valid for human input

---
 .../workflow/nodes/human-input/default.ts           | 13 +++++++++++++
 web/i18n/en-US/workflow.json                        |  2 ++
 web/i18n/zh-Hans/workflow.json                      |  2 ++
 3 files changed, 17 insertions(+)

diff --git a/web/app/components/workflow/nodes/human-input/default.ts b/web/app/components/workflow/nodes/human-input/default.ts
index b9b95ae1cc..97145a39fb 100644
--- a/web/app/components/workflow/nodes/human-input/default.ts
+++ b/web/app/components/workflow/nodes/human-input/default.ts
@@ -1,5 +1,6 @@
 import type { NodeDefault, Var } from '../../types'
 import type { HumanInputNodeType } from './types'
+import { splitByOutputVar } from '@/app/components/base/chat/chat/answer/human-input-content/utils'
 import { BlockClassificationEnum } from '@/app/components/workflow/block-selector/types'
 import { BlockEnum, VarType } from '@/app/components/workflow/types'
 import { genNodeMetaData } from '@/app/components/workflow/utils'
@@ -21,6 +22,12 @@ const buildOutputVars = (variables: string[]): Var[] => {
   })
 }
 
+const checkInputFields = (formContent: string): boolean => {
+  const outputVarRegex = /\{\{#\$output\.[^#]+#\}\}/
+  const contentList = splitByOutputVar(formContent)
+  return contentList.filter(content => outputVarRegex.test(content)).length > 0
+}
+
 const nodeDefault: NodeDefault<HumanInputNodeType> = {
   metaData,
   defaultValue: {
@@ -39,6 +46,12 @@ const nodeDefault: NodeDefault<HumanInputNodeType> = {
     if (!errorMessages && payload.delivery_methods.length > 0 && !payload.delivery_methods.some(method => method.enabled))
       errorMessages = t(`${i18nPrefix}.noDeliveryMethodEnabled`, { ns: 'workflow' })
 
+    if (!errorMessages && !payload.form_content.trim())
+      errorMessages = t(`${i18nPrefix}.noFormContent`, { ns: 'workflow' })
+
+    if (!errorMessages && !checkInputFields(payload.form_content))
+      errorMessages = t(`${i18nPrefix}.noFormContentInputField`, { ns: 'workflow' })
+
     if (!errorMessages && !payload.user_actions.length)
       errorMessages = t(`${i18nPrefix}.noUserActions`, { ns: 'workflow' })
 
diff --git a/web/i18n/en-US/workflow.json b/web/i18n/en-US/workflow.json
index 0e84fe3e4b..f11b2ca8c8 100644
--- a/web/i18n/en-US/workflow.json
+++ b/web/i18n/en-US/workflow.json
@@ -558,6 +558,8 @@
   "nodes.humanInput.editor.previewTip": "In preview mode, action buttons are not functional.",
   "nodes.humanInput.errorMsg.noDeliveryMethod": "Please select at least one delivery method",
   "nodes.humanInput.errorMsg.noDeliveryMethodEnabled": "Please enable at least one delivery method",
+  "nodes.humanInput.errorMsg.noFormContent": "Please add form content",
+  "nodes.humanInput.errorMsg.noFormContentInputField": "Please add at least one input field in form content",
   "nodes.humanInput.errorMsg.noUserActions": "Please add at least one user action",
   "nodes.humanInput.formContent.hotkeyTip": "Press <Key/> to insert variable, <CtrlKey/><Key/> to insert input field",
   "nodes.humanInput.formContent.preview": "Preview",
diff --git a/web/i18n/zh-Hans/workflow.json b/web/i18n/zh-Hans/workflow.json
index c9e2b797ec..50a485eb45 100644
--- a/web/i18n/zh-Hans/workflow.json
+++ b/web/i18n/zh-Hans/workflow.json
@@ -558,6 +558,8 @@
   "nodes.humanInput.editor.previewTip": "在预览模式下，操作按钮无法使用。",
   "nodes.humanInput.errorMsg.noDeliveryMethod": "请至少选择一种提交方式",
   "nodes.humanInput.errorMsg.noDeliveryMethodEnabled": "请至少启用一种提交方式",
+  "nodes.humanInput.errorMsg.noFormContent": "请添加表单内容",
+  "nodes.humanInput.errorMsg.noFormContentInputField": "请在表单内容中添加至少一个输入字段",
   "nodes.humanInput.errorMsg.noUserActions": "请添加至少一个用户操作",
   "nodes.humanInput.formContent.hotkeyTip": "按 <Key/> 插入变量，按 <CtrlKey/><Key/> 插入输入字段",
   "nodes.humanInput.formContent.preview": "预览",