diff --git a/web/app/components/workflow/nodes/_base/components/workflow-panel/last-run/use-last-run.ts b/web/app/components/workflow/nodes/_base/components/workflow-panel/last-run/use-last-run.ts
index d58ebecc7b..f6139096f6 100644
--- a/web/app/components/workflow/nodes/_base/components/workflow-panel/last-run/use-last-run.ts
+++ b/web/app/components/workflow/nodes/_base/components/workflow-panel/last-run/use-last-run.ts
@@ -28,6 +28,7 @@ import { BlockEnum } from '@/app/components/workflow/types'
 import {
   useNodesSyncDraft,
 } from '@/app/components/workflow/hooks'
+import useInspectVarsCrud from '@/app/components/workflow/hooks/use-inspect-vars-crud'
 
 const singleRunFormParamsHooks: Record<BlockEnum, any> = {
   [BlockEnum.LLM]: useLLMSingleRunFormParams,
@@ -101,6 +102,7 @@ type Params<T> = OneStepRunParams<T>
 const useLastRun = <T>({
   ...oneStepRunParams
 }: Params<T>) => {
+  const { conversationVars } = useInspectVarsCrud()
   const blockType = oneStepRunParams.data.type
   const { handleSyncWorkflowDraft } = useNodesSyncDraft()
   const {
@@ -167,41 +169,20 @@ const useLastRun = <T>({
 
   const workflowStore = useWorkflowStore()
   const {
-    getInspectVar,
+    hasSetInspectVar,
   } = workflowStore.getState()
   const getExistVarValuesInForms = (forms: FormProps[]) => {
     if (!forms || forms.length === 0)
       return []
 
     const valuesArr = forms.map((form) => {
-      const values: Record<string, any> = {}
+      const values: Record<string, boolean> = {}
       form.inputs.forEach(({ variable }) => {
-        // #nodeId.path1?.path2?...# => [nodeId, path1]
-        // TODO: conversation vars and envs
         const selector = variable.slice(1, -1).split('.')
         const [nodeId, varName] = selector.slice(0, 2)
-        const inspectVarValue = getInspectVar(nodeId, varName)
-        if (inspectVarValue !== undefined) {
-          const subPathArr = selector.slice(2)
-          if (subPathArr.length > 0) {
-            let current = inspectVarValue.value
-            let invalid = false
-            subPathArr.forEach((subPath) => {
-              if (invalid)
-                return
-
-              if (current && typeof current === 'object' && subPath in current) {
-                current = current[subPath]
-                return
-              }
-              invalid = true
-            })
-            values[variable] = current
-          }
-          else {
-            values[variable] = inspectVarValue
-          }
-        }
+        const inspectVarValue = hasSetInspectVar(nodeId, varName, conversationVars) // also detect system var , env and  conversation var
+        if (inspectVarValue)
+          values[variable] = true
       })
       return values
     })
diff --git a/web/app/components/workflow/store/workflow/debug/inspect-vars-slice.ts b/web/app/components/workflow/store/workflow/debug/inspect-vars-slice.ts
index 7e3b98dfc2..eb50f2242f 100644
--- a/web/app/components/workflow/store/workflow/debug/inspect-vars-slice.ts
+++ b/web/app/components/workflow/store/workflow/debug/inspect-vars-slice.ts
@@ -1,8 +1,9 @@
 import type { StateCreator } from 'zustand'
 import produce from 'immer'
 import type { NodeWithVar, VarInInspect } from '@/types/workflow'
-import type { ValueSelector } from '../../../types'
+import { BlockEnum, type ValueSelector } from '../../../types'
 import type { Node } from '@/app/components/workflow/types'
+import { isConversationVar, isENV, isSystemVar } from '../../../nodes/_base/components/variable/utils'
 
 type InspectVarsState = {
   currentFocusNodeId: string | null
@@ -25,6 +26,7 @@ type InspectVarsActions = {
   renameInspectVarName: (nodeId: string, varId: string, selector: ValueSelector) => void
   deleteInspectVar: (nodeId: string, varId: string) => void
   getInspectVar: (nodeId: string, name: string) => any
+  hasSetInspectVar: (nodeId: string, name: string, conversationVars: VarInInspect[]) => boolean
   isInspectVarEdited: (nodeId: string, name: string) => boolean
 }
 
@@ -172,6 +174,22 @@ export const createInspectVarsSlice: StateCreator<InspectVarsSliceShape> = (set,
       })?.value
       return variable
     },
+    hasSetInspectVar: (nodeId, name, conversationVars: VarInInspect[]) => {
+      const isEnv = isENV([nodeId])
+      if (isEnv) // always have value
+        return true
+      const isSys = isSystemVar([nodeId])
+      if (isSys) {
+        const isStartNodeRun = get().nodesWithInspectVars.some((node) => {
+          return node.nodeType === BlockEnum.Start
+        })
+        return isStartNodeRun
+      }
+      const isChatVar = isConversationVar([nodeId])
+      if (isChatVar)
+        return conversationVars.some(varItem => varItem.selector?.[1] === name)
+      return get().getInspectVar(nodeId, name) !== undefined
+    },
     isInspectVarEdited: (nodeId, name) => {
       const inspectVar = get().getInspectVar(nodeId, name)
       if (!inspectVar)