diff --git a/web/app/components/workflow/variable-inspect/group.tsx b/web/app/components/workflow/variable-inspect/group.tsx
new file mode 100644
index 0000000000..67a06e331d
--- /dev/null
+++ b/web/app/components/workflow/variable-inspect/group.tsx
@@ -0,0 +1,128 @@
+import { useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import {
+  RiArrowRightSLine,
+  // RiErrorWarningFill,
+  // RiLoader2Line,
+} from '@remixicon/react'
+import { useStore } from '../store'
+// import { BlockEnum } from '../types'
+// import Button from '@/app/components/base/button'
+// import ActionButton from '@/app/components/base/action-button'
+// import Tooltip from '@/app/components/base/tooltip'
+// import BlockIcon from '@/app/components/workflow/block-icon'
+import {
+  // BubbleX,
+  Env,
+} from '@/app/components/base/icons/src/vender/line/others'
+// import { Variable02 } from '@/app/components/base/icons/src/vender/solid/development'
+// import useCurrentVars from '../hooks/use-inspect-vars-crud'
+import type { currentVarType } from './panel'
+import cn from '@/utils/classnames'
+
+type Props = {
+  isEnv?: boolean
+  isChatVar?: boolean
+  isSystem?: boolean
+  currentVar?: currentVarType
+  handleSelect: (state: any) => void
+}
+
+const Group = ({
+  isEnv,
+  isChatVar,
+  isSystem,
+  currentVar,
+  handleSelect,
+}: Props) => {
+  const { t } = useTranslation()
+
+  const environmentVariables = useStore(s => s.environmentVariables)
+  // const {
+  //   conversationVars,
+  //   systemVars,
+  //   nodesWithInspectVars,
+  // } = useCurrentVars()
+
+  const [isCollapsed, setIsCollapsed] = useState(false)
+
+  const handleSelectVar = (varItem: any, type?: string) => {
+    if (type === 'env') {
+      handleSelect({
+        nodeId: 'env',
+        nodeTitle: 'env',
+        nodeType: 'env',
+        var: {
+          ...varItem,
+          type: 'env',
+          ...(varItem.value_type === 'secret' ? { value: '******************' } : {}),
+        },
+      })
+      return
+    }
+    if (type === 'chat') {
+      handleSelect({
+        nodeId: 'conversation',
+        nodeTitle: 'conversation',
+        nodeType: 'conversation',
+        var: {
+          ...varItem,
+          type: 'conversation',
+        },
+      })
+      return
+    }
+    if (type === 'system') {
+      handleSelect({
+        nodeId: 'sys',
+        nodeTitle: 'sys',
+        nodeType: 'sys',
+        var: varItem,
+      })
+      return
+    }
+    handleSelect({
+      nodeId: varItem.nodeId,
+      nodeTitle: varItem.nodeTitle,
+      nodeType: varItem.nodeType,
+      var: varItem.var,
+    })
+  }
+
+  return (
+    <div className='p-0.5'>
+      {/* node item */}
+      <div className='flex h-6 items-center gap-0.5'>
+        <RiArrowRightSLine className={cn('h-3 w-3 text-text-tertiary', !isCollapsed && 'rotate-90')} />
+        <div className='flex grow cursor-pointer items-center gap-1' onClick={() => setIsCollapsed(!isCollapsed)}>
+          <div className='system-xs-medium-uppercase truncate text-text-tertiary'>
+            {isEnv && t('workflow.debug.variableInspect.envNode')}
+            {isChatVar && t('workflow.debug.variableInspect.chatNode')}
+            {isSystem && t('workflow.debug.variableInspect.systemNode')}
+          </div>
+        </div>
+      </div>
+      {/* var item list */}
+      {!isCollapsed && (
+        <div className='px-0.5'>
+          {environmentVariables.length > 0 && environmentVariables.map(env => (
+            <div
+              key={env.id}
+              className={cn(
+                'relative flex cursor-pointer items-center gap-1 rounded-md px-3 py-1 hover:bg-state-base-hover',
+                env.id === currentVar?.var.id && 'bg-state-base-hover-alt hover:bg-state-base-hover-alt',
+              )}
+              onClick={() => handleSelectVar(env, 'env')}
+            >
+              <Env className='h-4 w-4 shrink-0 text-util-colors-violet-violet-600' />
+              <div className='system-sm-medium grow truncate text-text-secondary'>{env.name}</div>
+              <div className='system-xs-regular shrink-0 text-text-tertiary'>{env.value_type}</div>
+            </div>
+          ))}
+        </div>
+      )}
+    </div>
+  )
+}
+
+export default Group
diff --git a/web/app/components/workflow/variable-inspect/left.tsx b/web/app/components/workflow/variable-inspect/left.tsx
index e9538e8e0b..045a1e859b 100644
--- a/web/app/components/workflow/variable-inspect/left.tsx
+++ b/web/app/components/workflow/variable-inspect/left.tsx
@@ -5,27 +5,35 @@ import {
   RiErrorWarningFill,
   RiLoader2Line,
 } from '@remixicon/react'
-// import { useStore } from '../store'
+import { useStore } from '../store'
 import { BlockEnum } from '../types'
 import Button from '@/app/components/base/button'
-//   import ActionButton from '@/app/components/base/action-button'
-//   import Tooltip from '@/app/components/base/tooltip'
+// import ActionButton from '@/app/components/base/action-button'
+// import Tooltip from '@/app/components/base/tooltip'
 import BlockIcon from '@/app/components/workflow/block-icon'
-import { BubbleX, Env } from '@/app/components/base/icons/src/vender/line/others'
+import { BubbleX } from '@/app/components/base/icons/src/vender/line/others'
 import { Variable02 } from '@/app/components/base/icons/src/vender/solid/development'
+import Group from './group'
 import useCurrentVars from '../hooks/use-inspect-vars-crud'
+import type { currentVarType } from './panel'
 import cn from '@/utils/classnames'
 
 type Props = {
-  handleMenuClick: (state: any) => void
+  currentNodeVar?: currentVarType
+  handleVarSelect: (state: any) => void
 }
 
-const Left = ({ handleMenuClick }: Props) => {
+const Left = ({
+  currentNodeVar,
+  handleVarSelect,
+}: Props) => {
   const { t } = useTranslation()
 
-  // const bottomPanelWidth = useStore(s => s.bottomPanelWidth)
-  // const setShowVariableInspectPanel = useStore(s => s.setShowVariableInspectPanel)
+  const environmentVariables = useStore(s => s.environmentVariables)
   const {
+    conversationVars,
+    systemVars,
+    nodesWithInspectVars,
     deleteAllInspectorVars,
   } = useCurrentVars()
 
@@ -42,29 +50,13 @@ const Left = ({ handleMenuClick }: Props) => {
       {/* content */}
       <div className='grow overflow-y-auto py-1'>
         {/* group ENV */}
-        <div className='p-0.5'>
-          {/* node item */}
-          <div className='flex h-6 items-center gap-0.5'>
-            <RiArrowRightSLine className='h-3 w-3 rotate-90 text-text-tertiary' />
-            <div className='flex grow cursor-pointer items-center gap-1'>
-              <div className='system-xs-medium-uppercase truncate text-text-tertiary'>{t('workflow.env.envPanelTitle')}</div>
-            </div>
-          </div>
-          {/* var item list */}
-          <div className='px-0.5'>
-            <div className={cn('relative flex cursor-pointer items-center gap-1 rounded-md px-3 py-1 hover:bg-state-base-hover')} onClick={handleMenuClick}>
-              <Env className='h-4 w-4 shrink-0 text-util-colors-violet-violet-600' />
-              <div className='system-sm-medium grow truncate text-text-secondary'>SECRET_KEY</div>
-              <div className='system-xs-regular shrink-0 text-text-tertiary'>string</div>
-            </div>
-            <div className={cn('relative flex cursor-pointer items-center gap-1 rounded-md px-3 py-1 hover:bg-state-base-hover', selectedNode && 'bg-state-base-hover-alt hover:bg-state-base-hover-alt')}>
-              {selectedNode && <span className='absolute left-1.5 top-[10.5px] h-[3px] w-[3px] rounded-full bg-text-accent-secondary'></span>}
-              <Env className='h-4 w-4 shrink-0 text-util-colors-violet-violet-600' />
-              <div className='system-sm-medium grow truncate text-text-secondary'>PORT</div>
-              <div className='system-xs-regular shrink-0 text-text-tertiary'>number</div>
-            </div>
-          </div>
-        </div>
+        {environmentVariables.length > 0 && (
+          <Group
+            isEnv
+            currentVar={currentNodeVar}
+            handleSelect={handleVarSelect}
+          />
+        )}
         {/* group CHAT VAR */}
         <div className='p-0.5'>
           {/* node item */}
diff --git a/web/app/components/workflow/variable-inspect/panel.tsx b/web/app/components/workflow/variable-inspect/panel.tsx
index 46d8ca8607..4c6a86d990 100644
--- a/web/app/components/workflow/variable-inspect/panel.tsx
+++ b/web/app/components/workflow/variable-inspect/panel.tsx
@@ -10,14 +10,23 @@ import Empty from './empty'
 import Left from './left'
 import Right from './right'
 import ActionButton from '@/app/components/base/action-button'
+import type { VarInInspect } from '@/types/workflow'
 import cn from '@/utils/classnames'
 
+export type currentVarType = {
+  nodeId: string
+  nodeTitle: string
+  nodeType: string
+  var: VarInInspect
+}
+
 const Panel: FC = () => {
   const { t } = useTranslation()
 
   const bottomPanelWidth = useStore(s => s.bottomPanelWidth)
   const setShowVariableInspectPanel = useStore(s => s.setShowVariableInspectPanel)
   const [showLeftPanel, setShowLeftPanel] = useState(true)
+  const [currentNodeVar, setCurrentNodeVar] = useState<currentVarType>()
 
   const environmentVariables = useStore(s => s.environmentVariables)
   const {
@@ -60,11 +69,17 @@ const Panel: FC = () => {
             : 'block',
         )}
       >
-        <Left handleMenuClick={setShowLeftPanel} />
+        <Left
+          currentNodeVar={currentNodeVar}
+          handleVarSelect={setCurrentNodeVar}
+        />
       </div>
       {/* right */}
       <div className='w-0 grow'>
-        <Right handleOpenMenu={() => setShowLeftPanel(true)} />
+        <Right
+          currentNodeVar={currentNodeVar}
+          handleOpenMenu={() => setShowLeftPanel(true)}
+        />
       </div>
     </div>
   )
diff --git a/web/app/components/workflow/variable-inspect/right.tsx b/web/app/components/workflow/variable-inspect/right.tsx
index 2ce95044b8..58e59bbee5 100644
--- a/web/app/components/workflow/variable-inspect/right.tsx
+++ b/web/app/components/workflow/variable-inspect/right.tsx
@@ -6,7 +6,7 @@ import {
   RiMenuLine,
 } from '@remixicon/react'
 import { useStore } from '../store'
-import { BlockEnum } from '../types'
+import type { BlockEnum } from '../types'
 import useCurrentVars from '../hooks/use-inspect-vars-crud'
 import Empty from './empty'
 import ValueContent from './value-content'
@@ -16,43 +16,29 @@ import CopyFeedback from '@/app/components/base/copy-feedback'
 import Tooltip from '@/app/components/base/tooltip'
 import BlockIcon from '@/app/components/workflow/block-icon'
 import { BubbleX, Env } from '@/app/components/base/icons/src/vender/line/others'
+import type { currentVarType } from './panel'
 import cn from '@/utils/classnames'
 
-export const currentVar = {
-  id: 'var-jfkldjjfkldaf-dfhekdfj',
-  type: 'node',
-  // type: 'conversation',
-  // type: 'environment',
-  name: 'out_put',
-  var_type: 'string',
-  // var_type: 'number',
-  // var_type: 'object',
-  // var_type: 'array[string]',
-  // var_type: 'array[number]',
-  // var_type: 'array[object]',
-  // var_type: 'file',
-  // var_type: 'array[file]',
-  value: 'tuituitui',
-  edited: true,
-}
-
 type Props = {
+  currentNodeVar?: currentVarType
   handleOpenMenu: () => void
 }
 
-const Right = ({ handleOpenMenu }: Props) => {
+const Right = ({
+  currentNodeVar,
+  handleOpenMenu,
+}: Props) => {
   const { t } = useTranslation()
   const bottomPanelWidth = useStore(s => s.bottomPanelWidth)
   const setShowVariableInspectPanel = useStore(s => s.setShowVariableInspectPanel)
 
-  const current = currentVar
-
   const {
     resetToLastRunVar,
   } = useCurrentVars()
 
   const resetValue = () => {
-    resetToLastRunVar('node_id', current.name)
+    if (!currentNodeVar) return
+    resetToLastRunVar(currentNodeVar.nodeId, currentNodeVar.var.name)
   }
 
   return (
@@ -65,48 +51,48 @@ const Right = ({ handleOpenMenu }: Props) => {
           </ActionButton>
         )}
         <div className='flex w-0 grow items-center gap-1'>
-          {current && (
+          {currentNodeVar && (
             <>
-              {current.type === 'environment' && (
+              {currentNodeVar.nodeType === 'env' && (
                 <Env className='h-4 w-4 shrink-0 text-util-colors-violet-violet-600' />
               )}
-              {current.type === 'conversation' && (
+              {currentNodeVar.nodeType === 'conversation' && (
                 <BubbleX className='h-4 w-4 shrink-0 text-util-colors-teal-teal-700' />
               )}
-              {current.type === 'node' && (
+              {currentNodeVar.nodeType !== 'env' && currentNodeVar.nodeType !== 'conversation' && currentNodeVar.nodeType !== 'sys' && (
                 <>
                   <BlockIcon
                     className='shrink-0'
-                    type={BlockEnum.LLM}
+                    type={currentNodeVar.nodeType as BlockEnum}
                     size='xs'
                   />
-                  <div className='system-sm-regular shrink-0 text-text-secondary'>LLM</div>
+                  <div className='system-sm-regular shrink-0 text-text-secondary'>{currentNodeVar.nodeTitle}</div>
                   <div className='system-sm-regular shrink-0 text-text-quaternary'>/</div>
                 </>
               )}
-              <div title={current.name} className='system-sm-semibold truncate text-text-secondary'>{current.name}</div>
-              <div className='system-xs-medium ml-1 shrink-0 text-text-tertiary'>{current.var_type}</div>
+              <div title={currentNodeVar.var.name} className='system-sm-semibold truncate text-text-secondary'>{currentNodeVar.var.name}</div>
+              <div className='system-xs-medium ml-1 shrink-0 text-text-tertiary'>{currentNodeVar.var.value_type}</div>
             </>
           )}
         </div>
         <div className='flex shrink-0 items-center gap-1'>
-          {current && (
+          {currentNodeVar && (
             <>
-              {current.edited && (
+              {currentNodeVar.var.edited && (
                 <Badge>
                   <span className='ml-[2.5px] mr-[4.5px] h-[3px] w-[3px] rounded bg-text-accent-secondary'></span>
                   <span className='system-2xs-semibold-uupercase'>{t('workflow.debug.variableInspect.edited')}</span>
                 </Badge>
               )}
-              {current.edited && (
+              {currentNodeVar.var.edited && (
                 <Tooltip popupContent={t('workflow.debug.variableInspect.reset')}>
                   <ActionButton onClick={resetValue}>
                     <RiArrowGoBackLine className='h-4 w-4' />
                   </ActionButton>
                 </Tooltip>
               )}
-              {(current.type !== 'environment' || current.var_type !== 'secret') && (
-                <CopyFeedback content={current.value ? JSON.stringify(current.value) : ''} />
+              {currentNodeVar.var.value_type !== 'secret' && (
+                <CopyFeedback content={currentNodeVar.var.value ? JSON.stringify(currentNodeVar.var.value) : ''} />
               )}
             </>
           )}
@@ -117,8 +103,8 @@ const Right = ({ handleOpenMenu }: Props) => {
       </div>
       {/* content */}
       <div className='grow p-2'>
-        {!current && <Empty />}
-        {current && <ValueContent />}
+        {!currentNodeVar && <Empty />}
+        {currentNodeVar && <ValueContent currentVar={currentNodeVar.var} />}
       </div>
     </div>
   )
diff --git a/web/app/components/workflow/variable-inspect/value-content.tsx b/web/app/components/workflow/variable-inspect/value-content.tsx
index ee75912702..132d299c82 100644
--- a/web/app/components/workflow/variable-inspect/value-content.tsx
+++ b/web/app/components/workflow/variable-inspect/value-content.tsx
@@ -19,22 +19,24 @@ import { JSON_SCHEMA_MAX_DEPTH } from '@/config'
 import { TransferMethod } from '@/types/app'
 import { FILE_EXTS } from '@/app/components/base/prompt-editor/constants'
 import { SupportUploadFileTypes } from '@/app/components/workflow/types'
+import type { VarInInspect } from '@/types/workflow'
+import { VarInInspectType } from '@/types/workflow'
 import cn from '@/utils/classnames'
 
-export const currentVar = {
+export const MOCK_DATA = {
   id: 'var-jfkldjjfkldaf-dfhekdfj',
   type: 'node',
   // type: 'conversation',
   // type: 'environment',
   name: 'out_put',
-  // var_type: 'string',
-  // var_type: 'number',
-  // var_type: 'object',
-  // var_type: 'array[string]',
-  // var_type: 'array[number]',
-  // var_type: 'array[object]',
-  // var_type: 'file',
-  var_type: 'array[file]',
+  // value_type: 'string',
+  // value_type: 'number',
+  // value_type: 'object',
+  // value_type: 'array[string]',
+  // value_type: 'array[number]',
+  // value_type: 'array[object]',
+  // value_type: 'file',
+  value_type: 'array[file]',
   // value: 'tuituitui',
   // value: ['aaa', 'bbb', 'ccc'],
   // value: {
@@ -46,34 +48,62 @@ export const currentVar = {
   edited: true,
 }
 
-const ValueContent = () => {
-  const current = currentVar
+type Props = {
+  currentVar: VarInInspect
+}
+
+const ValueContent = ({
+  // currentVar = MOCK_DATA as any, // TODO remove this line
+  currentVar,
+}: Props) => {
   const contentContainerRef = useRef<HTMLDivElement>(null)
   const errorMessageRef = useRef<HTMLDivElement>(null)
   const [editorHeight, setEditorHeight] = useState(0)
-  const showTextEditor = current.var_type === 'secret' || current.var_type === 'string' || current.var_type === 'number'
-  const showJSONEditor = current.var_type === 'object' || current.var_type === 'array[string]' || current.var_type === 'array[number]' || current.var_type === 'array[object]'
-  const showFileEditor = current.var_type === 'file' || current.var_type === 'array[file]'
+  const showTextEditor = currentVar.value_type === 'secret' || currentVar.value_type === 'string' || currentVar.value_type === 'number'
+  const showJSONEditor = currentVar.value_type === 'object' || currentVar.value_type === 'array[string]' || currentVar.value_type === 'array[number]' || currentVar.value_type === 'array[object]'
+  const showFileEditor = currentVar.value_type === 'file' || currentVar.value_type === 'array[file]'
 
-  const [value, setValue] = useState<any>(current.value ? JSON.stringify(current.value) : '')
-  const [jsonSchema, setJsonSchema] = useState(current.value || null)
-  const [json, setJson] = useState(JSON.stringify(jsonSchema, null, 2))
+  const [value, setValue] = useState<any>()
+  const [jsonSchema, setJsonSchema] = useState()
+  const [json, setJson] = useState('')
   const [parseError, setParseError] = useState<Error | null>(null)
   const [validationError, setValidationError] = useState<string>('')
   const fileFeature = useFeatures(s => s.features.file)
   const [fileValue, setFileValue] = useState<any>(
-    current.var_type === 'array[file]'
-    ? current.value || []
-    : current.value
-      ? [current.value]
+    currentVar.value_type === 'array[file]'
+    ? currentVar.value || []
+    : currentVar.value
+      ? [currentVar.value]
       : [],
   )
 
+  // update default value when id changed
+  useEffect(() => {
+    if (showTextEditor) {
+      if (!currentVar.value)
+        return setValue('')
+      if (currentVar.value_type === 'number')
+        return setValue(JSON.stringify(currentVar.value))
+      setValue(currentVar.value)
+    }
+    if (showJSONEditor) {
+      setJsonSchema(currentVar.value || null)
+      setJson(currentVar.value ? JSON.stringify(currentVar.value, null, 2) : '')
+    }
+    if (showFileEditor) {
+      setFileValue(currentVar.value_type === 'array[file]'
+        ? currentVar.value || []
+        : currentVar.value
+          ? [currentVar.value]
+          : [])
+    }
+  }, [currentVar, showTextEditor, showJSONEditor, showFileEditor])
+
   const handleTextChange = (value: string) => {
-    if (current.var_type === 'string')
+    if (currentVar.value_type === 'string')
       setValue(value)
 
-    if (current.var_type === 'number') {
+    if (currentVar.value_type === 'number') {
       if (/^-?\d+(\.)?(\d+)?$/.test(value))
         setValue(value)
     }
@@ -119,7 +149,7 @@ const ValueContent = () => {
 
   const handleEditorChange = (value: string) => {
     setJson(value)
-    if (jsonValueValidate(value, current.var_type)) {
+    if (jsonValueValidate(value, currentVar.value_type)) {
       const parsed = JSON.parse(value)
       setJsonSchema(parsed)
       // TODO call api of value update
@@ -131,10 +161,10 @@ const ValueContent = () => {
     setFileValue(value)
     // TODO check every file upload progress
     // invoke update api after every file uploaded
-    if (current.var_type === 'file') {
+    if (currentVar.value_type === 'file') {
       // TODO call api of value update
     }
-    if (current.var_type === 'array[file]') {
+    if (currentVar.value_type === 'array[file]') {
       // TODO call api of value update
     }
   }
@@ -164,8 +194,8 @@ const ValueContent = () => {
       <div className={cn('grow')} style={{ height: `${editorHeight}px` }}>
         {showTextEditor && (
           <Textarea
-            readOnly={current.type === 'environment'}
-            disabled={current.type === 'environment'}
+            readOnly={currentVar.type === VarInInspectType.environment}
+            disabled={currentVar.type === VarInInspectType.environment}
             className='h-full'
             value={value as any}
             onChange={debounce(e => handleTextChange(e.target.value))}
@@ -198,7 +228,7 @@ const ValueContent = () => {
                   ...FILE_EXTS[SupportUploadFileTypes.video],
                 ],
                 allowed_file_upload_methods: [TransferMethod.local_file, TransferMethod.remote_url],
-                number_limits: current.var_type === 'file' ? 1 : (fileFeature as any).fileUploadConfig?.workflow_file_upload_limit || 5,
+                number_limits: currentVar.value_type === 'file' ? 1 : (fileFeature as any).fileUploadConfig?.workflow_file_upload_limit || 5,
                 fileUploadConfig: (fileFeature as any).fileUploadConfig,
               }}
             />
diff --git a/web/i18n/en-US/workflow.ts b/web/i18n/en-US/workflow.ts
index 923c53b3ea..19fb9afe8a 100644
--- a/web/i18n/en-US/workflow.ts
+++ b/web/i18n/en-US/workflow.ts
@@ -930,6 +930,9 @@ const translation = {
         cached: 'View cached variables',
         clear: 'Clear',
       },
+      envNode: 'Environment',
+      chatNode: 'Conversation',
+      systemNode: 'System',
     },
   },
 }
diff --git a/web/i18n/zh-Hans/workflow.ts b/web/i18n/zh-Hans/workflow.ts
index 6a4e0324bb..e5f7026a00 100644
--- a/web/i18n/zh-Hans/workflow.ts
+++ b/web/i18n/zh-Hans/workflow.ts
@@ -931,6 +931,9 @@ const translation = {
         cached: '查看缓存',
         clear: '清除',
       },
+      envNode: '环境变量',
+      chatNode: '会话变量',
+      systemNode: '系统变量',
     },
   },
 }
diff --git a/web/types/workflow.ts b/web/types/workflow.ts
index 823c2f3730..dc45b982cc 100644
--- a/web/types/workflow.ts
+++ b/web/types/workflow.ts
@@ -374,7 +374,7 @@ export type NodeRunResult = NodeTracing
 // Var Inspect
 export enum VarInInspectType {
   conversation = 'conversation',
-  environment = 'environment',
+  environment = 'env',
   node = 'node',
   system = 'sys',
 }