diff --git a/web/app/components/workflow/nodes/template-transform/default.ts b/web/app/components/workflow/nodes/template-transform/default.ts
index aff5ae8e96..14dd6989ed 100644
--- a/web/app/components/workflow/nodes/template-transform/default.ts
+++ b/web/app/components/workflow/nodes/template-transform/default.ts
@@ -2,6 +2,7 @@ import { BlockEnum } from '../../types'
 import type { NodeDefault } from '../../types'
 import type { TemplateTransformNodeType } from './types'
 import { ALL_CHAT_AVAILABLE_BLOCKS, ALL_COMPLETION_AVAILABLE_BLOCKS } from '@/app/components/workflow/constants'
+const i18nPrefix = 'workflow.errorMsg'
 
 const nodeDefault: NodeDefault<TemplateTransformNodeType> = {
   defaultValue: {
@@ -17,15 +18,18 @@ const nodeDefault: NodeDefault<TemplateTransformNodeType> = {
     const nodes = isChatMode ? ALL_CHAT_AVAILABLE_BLOCKS : ALL_COMPLETION_AVAILABLE_BLOCKS
     return nodes
   },
-  checkValid(payload: TemplateTransformNodeType) {
-    let isValid = true
+  checkValid(payload: TemplateTransformNodeType, t: any) {
     let errorMessages = ''
-    if (payload.type) {
-      isValid = true
-      errorMessages = ''
-    }
+    const { template, variables } = payload
+
+    if (!errorMessages && variables.filter(v => !v.variable).length > 0)
+      errorMessages = t(`${i18nPrefix}.fieldRequired`, { field: t(`${i18nPrefix}.fields.variable`) })
+    if (!errorMessages && variables.filter(v => !v.value_selector.length).length > 0)
+      errorMessages = t(`${i18nPrefix}.fieldRequired`, { field: t(`${i18nPrefix}.fields.variableValue`) })
+    if (!errorMessages && !template)
+      errorMessages = t(`${i18nPrefix}.fieldRequired`, { field: t('workflow.nodes.templateTransform.code') })
     return {
-      isValid,
+      isValid: !errorMessages,
       errorMessage: errorMessages,
     }
   },