diff --git a/web/app/components/base/prompt-editor/plugins/workflow-variable-block/component.tsx b/web/app/components/base/prompt-editor/plugins/workflow-variable-block/component.tsx
index 731841f42..da5ad84cb 100644
--- a/web/app/components/base/prompt-editor/plugins/workflow-variable-block/component.tsx
+++ b/web/app/components/base/prompt-editor/plugins/workflow-variable-block/component.tsx
@@ -32,12 +32,14 @@ import Tooltip from '@/app/components/base/tooltip'
 import { isExceptionVariable } from '@/app/components/workflow/utils'
 import VarFullPathPanel from '@/app/components/workflow/nodes/_base/components/variable/var-full-path-panel'
 import { Type } from '@/app/components/workflow/nodes/llm/types'
-import type { ValueSelector } from '@/app/components/workflow/types'
+import type { ValueSelector, Var } from '@/app/components/workflow/types'
 
 type WorkflowVariableBlockComponentProps = {
   nodeKey: string
   variables: string[]
   workflowNodesMap: WorkflowNodesMap
+  environmentVariables?: Var[]
+  conversationVariables?: Var[]
   getVarType?: (payload: {
     nodeId: string,
     valueSelector: ValueSelector,
@@ -49,6 +51,8 @@ const WorkflowVariableBlockComponent = ({
   variables,
   workflowNodesMap = {},
   getVarType,
+  environmentVariables,
+  conversationVariables,
 }: WorkflowVariableBlockComponentProps) => {
   const { t } = useTranslation()
   const [editor] = useLexicalComposerContext()
@@ -68,6 +72,19 @@ const WorkflowVariableBlockComponent = ({
   const isChatVar = isConversationVar(variables)
   const isException = isExceptionVariable(varName, node?.type)
 
+  let variableValid = true
+  if (isEnv) {
+    if (environmentVariables)
+      variableValid = environmentVariables.some(v => v.variable === `${variables?.[0] ?? ''}.${variables?.[1] ?? ''}`)
+  }
+  else if (isChatVar) {
+    if (conversationVariables)
+      variableValid = conversationVariables.some(v => v.variable === `${variables?.[0] ?? ''}.${variables?.[1] ?? ''}`)
+  }
+  else {
+    variableValid = !!node
+  }
+
   const reactflow = useReactFlow()
   const store = useStoreApi()
 
@@ -113,7 +130,7 @@ const WorkflowVariableBlockComponent = ({
       className={cn(
         'group/wrap relative mx-0.5 flex h-[18px] select-none items-center rounded-[5px] border pl-0.5 pr-[3px] hover:border-state-accent-solid hover:bg-state-accent-hover',
         isSelected ? ' border-state-accent-solid bg-state-accent-hover' : ' border-components-panel-border-subtle bg-components-badge-white-to-dark',
-        !node && !isEnv && !isChatVar && '!border-state-destructive-solid !bg-state-destructive-hover',
+        !variableValid && '!border-state-destructive-solid !bg-state-destructive-hover',
       )}
       onClick={(e) => {
         e.stopPropagation()
@@ -156,7 +173,7 @@ const WorkflowVariableBlockComponent = ({
           isException && 'text-text-warning',
         )} title={varName}>{varName}</div>
         {
-          !node && !isEnv && !isChatVar && (
+          !variableValid && (
             <RiErrorWarningFill className='ml-0.5 h-3 w-3 text-text-destructive' />
           )
         }
@@ -164,7 +181,7 @@ const WorkflowVariableBlockComponent = ({
     </div>
   )
 
-  if (!node && !isEnv && !isChatVar) {
+  if (!variableValid) {
     return (
       <Tooltip popupContent={t('workflow.errorMsg.invalidVariable')}>
         {Item}
diff --git a/web/app/components/base/prompt-editor/plugins/workflow-variable-block/node.tsx b/web/app/components/base/prompt-editor/plugins/workflow-variable-block/node.tsx
index dce636d92..f828bdbc1 100644
--- a/web/app/components/base/prompt-editor/plugins/workflow-variable-block/node.tsx
+++ b/web/app/components/base/prompt-editor/plugins/workflow-variable-block/node.tsx
@@ -3,6 +3,7 @@ import { DecoratorNode } from 'lexical'
 import type { WorkflowVariableBlockType } from '../../types'
 import WorkflowVariableBlockComponent from './component'
 import type { GetVarType } from '../../types'
+import type { Var } from '@/app/components/workflow/types'
 
 export type WorkflowNodesMap = WorkflowVariableBlockType['workflowNodesMap']
 
@@ -10,31 +11,37 @@ export type SerializedNode = SerializedLexicalNode & {
   variables: string[]
   workflowNodesMap: WorkflowNodesMap
   getVarType?: GetVarType
+  environmentVariables?: Var[]
+  conversationVariables?: Var[]
 }
 
 export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element> {
   __variables: string[]
   __workflowNodesMap: WorkflowNodesMap
   __getVarType?: GetVarType
+  __environmentVariables?: Var[]
+  __conversationVariables?: Var[]
 
   static getType(): string {
     return 'workflow-variable-block'
   }
 
   static clone(node: WorkflowVariableBlockNode): WorkflowVariableBlockNode {
-    return new WorkflowVariableBlockNode(node.__variables, node.__workflowNodesMap, node.__getVarType, node.__key)
+    return new WorkflowVariableBlockNode(node.__variables, node.__workflowNodesMap, node.__getVarType, node.__key, node.__environmentVariables, node.__conversationVariables)
   }
 
   isInline(): boolean {
     return true
   }
 
-  constructor(variables: string[], workflowNodesMap: WorkflowNodesMap, getVarType: any, key?: NodeKey) {
+  constructor(variables: string[], workflowNodesMap: WorkflowNodesMap, getVarType: any, key?: NodeKey, environmentVariables?: Var[], conversationVariables?: Var[]) {
     super(key)
 
     this.__variables = variables
     this.__workflowNodesMap = workflowNodesMap
     this.__getVarType = getVarType
+    this.__environmentVariables = environmentVariables
+    this.__conversationVariables = conversationVariables
   }
 
   createDOM(): HTMLElement {
@@ -54,12 +61,14 @@ export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element>
         variables={this.__variables}
         workflowNodesMap={this.__workflowNodesMap}
         getVarType={this.__getVarType!}
+        environmentVariables={this.__environmentVariables}
+        conversationVariables={this.__conversationVariables}
       />
     )
   }
 
   static importJSON(serializedNode: SerializedNode): WorkflowVariableBlockNode {
-    const node = $createWorkflowVariableBlockNode(serializedNode.variables, serializedNode.workflowNodesMap, serializedNode.getVarType)
+    const node = $createWorkflowVariableBlockNode(serializedNode.variables, serializedNode.workflowNodesMap, serializedNode.getVarType, serializedNode.environmentVariables, serializedNode.conversationVariables)
 
     return node
   }
@@ -71,6 +80,8 @@ export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element>
       variables: this.getVariables(),
       workflowNodesMap: this.getWorkflowNodesMap(),
       getVarType: this.getVarType(),
+      environmentVariables: this.getEnvironmentVariables(),
+      conversationVariables: this.getConversationVariables(),
     }
   }
 
@@ -89,12 +100,22 @@ export class WorkflowVariableBlockNode extends DecoratorNode<React.JSX.Element>
     return self.__getVarType
   }
 
+  getEnvironmentVariables(): any {
+    const self = this.getLatest()
+    return self.__environmentVariables
+  }
+
+  getConversationVariables(): any {
+    const self = this.getLatest()
+    return self.__conversationVariables
+  }
+
   getTextContent(): string {
     return `{{#${this.getVariables().join('.')}#}}`
   }
 }
-export function $createWorkflowVariableBlockNode(variables: string[], workflowNodesMap: WorkflowNodesMap, getVarType?: GetVarType): WorkflowVariableBlockNode {
-  return new WorkflowVariableBlockNode(variables, workflowNodesMap, getVarType)
+export function $createWorkflowVariableBlockNode(variables: string[], workflowNodesMap: WorkflowNodesMap, getVarType?: GetVarType, environmentVariables?: Var[], conversationVariables?: Var[]): WorkflowVariableBlockNode {
+  return new WorkflowVariableBlockNode(variables, workflowNodesMap, getVarType, undefined, environmentVariables, conversationVariables)
 }
 
 export function $isWorkflowVariableBlockNode(
diff --git a/web/app/components/base/prompt-editor/plugins/workflow-variable-block/workflow-variable-block-replacement-block.tsx b/web/app/components/base/prompt-editor/plugins/workflow-variable-block/workflow-variable-block-replacement-block.tsx
index 288008bbc..4d0c80f10 100644
--- a/web/app/components/base/prompt-editor/plugins/workflow-variable-block/workflow-variable-block-replacement-block.tsx
+++ b/web/app/components/base/prompt-editor/plugins/workflow-variable-block/workflow-variable-block-replacement-block.tsx
@@ -18,6 +18,7 @@ const WorkflowVariableBlockReplacementBlock = ({
   workflowNodesMap,
   getVarType,
   onInsert,
+  variables,
 }: WorkflowVariableBlockType) => {
   const [editor] = useLexicalComposerContext()
 
@@ -31,8 +32,8 @@ const WorkflowVariableBlockReplacementBlock = ({
       onInsert()
 
     const nodePathString = textNode.getTextContent().slice(3, -3)
-    return $applyNodeReplacement($createWorkflowVariableBlockNode(nodePathString.split('.'), workflowNodesMap, getVarType))
-  }, [onInsert, workflowNodesMap, getVarType])
+    return $applyNodeReplacement($createWorkflowVariableBlockNode(nodePathString.split('.'), workflowNodesMap, getVarType, variables?.find(o => o.nodeId === 'env')?.vars || [], variables?.find(o => o.nodeId === 'conversation')?.vars || []))
+  }, [onInsert, workflowNodesMap, getVarType, variables])
 
   const getMatch = useCallback((text: string) => {
     const matchArr = REGEX.exec(text)