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 39a46611e6..a86d34db9e 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
@@ -6,6 +6,7 @@ import { Variable02 } from '@/app/components/base/icons/src/vender/solid/develop
 import { VarBlockIcon } from '@/app/components/workflow/block-icon'
 import { BlockEnum } from '@/app/components/workflow/types'
 import { Line3 } from '@/app/components/base/icons/src/public/common'
+import { isSystemVar } from '@/app/components/workflow/nodes/_base/components/variable/utils'
 
 type WorkflowVariableBlockComponentProps = {
   nodeKey: string
@@ -22,7 +23,7 @@ const WorkflowVariableBlockComponent: FC<WorkflowVariableBlockComponentProps> =
   const node = getWorkflowNode(variables[0])
   const outputVarNode = node?.data
   const variablesLength = variables.length
-  const lastVariable = variables[variablesLength - 1]
+  const lastVariable = isSystemVar(variables) ? variables.join('.') : variables[variablesLength - 1]
 
   return (
     <div
diff --git a/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts b/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts
index 82fe8c84d3..d8af27490f 100644
--- a/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts
+++ b/web/app/components/workflow/nodes/_base/hooks/use-one-step-run.ts
@@ -6,14 +6,13 @@ import {
   useNodeDataUpdate,
   useWorkflow,
 } from '@/app/components/workflow/hooks'
-import { getNodeInfoById, toNodeOutputVars } from '@/app/components/workflow/nodes/_base/components/variable/utils'
+import { getNodeInfoById, isSystemVar, toNodeOutputVars } from '@/app/components/workflow/nodes/_base/components/variable/utils'
 
 import type { CommonNodeType, InputVar, ValueSelector, Var, Variable } from '@/app/components/workflow/types'
 import { BlockEnum, InputVarType, NodeRunningStatus, VarType } from '@/app/components/workflow/types'
 import { useStore as useAppStore } from '@/app/components/app/store'
 import { singleNodeRun } from '@/service/workflow'
 import Toast from '@/app/components/base/toast'
-
 import LLMDefault from '@/app/components/workflow/nodes/llm/default'
 import KnowledgeRetrievalDefault from '@/app/components/workflow/nodes/knowledge-retrieval/default'
 import IfElseDefault from '@/app/components/workflow/nodes/if-else/default'
@@ -247,7 +246,7 @@ const useOneStepRun = <T>({
         label: {
           nodeType: varInfo?.type,
           nodeName: varInfo?.title || availableNodes[0]?.data.title, // default start node title
-          variable: item[item.length - 1],
+          variable: isSystemVar(item) ? item.join('.') : item[item.length - 1],
         },
         variable: `#${item.join('.')}#`,
         value_selector: item,