diff --git a/web/app/components/workflow/hooks/use-inspect-vars-crud-common.ts b/web/app/components/workflow/hooks/use-inspect-vars-crud-common.ts
index 3297dd3397..14dac2e09b 100644
--- a/web/app/components/workflow/hooks/use-inspect-vars-crud-common.ts
+++ b/web/app/components/workflow/hooks/use-inspect-vars-crud-common.ts
@@ -224,7 +224,7 @@ export const useInspectVarsCrudCommon = ({
     await Promise.all([
       invalidateConversationVarValues(),
       invalidateSysVarValues(),
-      invalidateSandboxFiles(),
+      invalidateSandboxFiles({ refetchDownloadFile: false }),
     ])
     deleteAllInspectVars()
     handleEdgeCancelRunningStatus()
diff --git a/web/app/components/workflow/variable-inspect/artifacts-tab.tsx b/web/app/components/workflow/variable-inspect/artifacts-tab.tsx
index 6d4f28b5fb..7e745c436a 100644
--- a/web/app/components/workflow/variable-inspect/artifacts-tab.tsx
+++ b/web/app/components/workflow/variable-inspect/artifacts-tab.tsx
@@ -4,7 +4,7 @@ import {
   RiCloseLine,
   RiMenuLine,
 } from '@remixicon/react'
-import { useCallback, useState } from 'react'
+import { useCallback, useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import ActionButton from '@/app/components/base/action-button'
 import SearchLinesSparkle from '@/app/components/base/icons/src/vender/knowledge/SearchLinesSparkle'
@@ -62,15 +62,27 @@ const ArtifactsTab = (headerProps: InspectHeaderProps) => {
   )
   const isResponding = useStore(s => s.isResponding)
 
-  const { data: treeData, hasFiles, isLoading } = useSandboxFilesTree(appId, {
+  const { data: treeData, flatData, hasFiles, isLoading } = useSandboxFilesTree(appId, {
     enabled: !!appId,
     refetchInterval: (isWorkflowRunning || isResponding) ? 5000 : false,
   })
   const { mutateAsync: fetchDownloadUrl, isPending: isDownloading } = useDownloadSandboxFile(appId)
   const [selectedFile, setSelectedFile] = useState<SandboxFileTreeNode | null>(null)
+  const selectedFilePath = useMemo(() => {
+    if (!selectedFile)
+      return undefined
+
+    const selectedExists = flatData?.some(
+      node => !node.is_dir && node.path === selectedFile.path,
+    ) ?? false
+
+    return selectedExists ? selectedFile.path : undefined
+  }, [flatData, selectedFile])
+
   const { data: downloadUrlData, isLoading: isDownloadUrlLoading } = useSandboxFileDownloadUrl(
     appId,
-    selectedFile?.path,
+    selectedFilePath,
+    { retry: false },
   )
 
   const handleFileSelect = useCallback((node: SandboxFileTreeNode) => {
@@ -113,7 +125,7 @@ const ArtifactsTab = (headerProps: InspectHeaderProps) => {
     )
   }
 
-  const file = selectedFile
+  const file = selectedFilePath ? selectedFile : null
   const parts = file?.path.split('/') ?? []
   let cumPath = ''
   const pathSegments = parts.map((part, i) => {
@@ -130,7 +142,7 @@ const ArtifactsTab = (headerProps: InspectHeaderProps) => {
             data={treeData}
             onDownload={handleTreeDownload}
             onSelect={handleFileSelect}
-            selectedPath={selectedFile?.path}
+            selectedPath={selectedFilePath}
             isDownloading={isDownloading}
           />
         </div>
diff --git a/web/service/use-sandbox-file.spec.tsx b/web/service/use-sandbox-file.spec.tsx
new file mode 100644
index 0000000000..a28f531110
--- /dev/null
+++ b/web/service/use-sandbox-file.spec.tsx
@@ -0,0 +1,60 @@
+import type { ReactNode } from 'react'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { act, renderHook } from '@testing-library/react'
+import { consoleQuery } from './client'
+import { useInvalidateSandboxFiles } from './use-sandbox-file'
+
+const createQueryClient = () => new QueryClient({
+  defaultOptions: {
+    queries: {
+      retry: false,
+    },
+  },
+})
+
+const createWrapper = (queryClient: QueryClient) => {
+  return ({ children }: { children: ReactNode }) => (
+    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+  )
+}
+
+describe('useInvalidateSandboxFiles', () => {
+  it('should keep download query refetch enabled by default', async () => {
+    const queryClient = createQueryClient()
+    const invalidateSpy = vi.spyOn(queryClient, 'invalidateQueries').mockResolvedValue(undefined)
+    const { result } = renderHook(() => useInvalidateSandboxFiles(), {
+      wrapper: createWrapper(queryClient),
+    })
+
+    await act(async () => {
+      await result.current()
+    })
+
+    expect(invalidateSpy).toHaveBeenNthCalledWith(1, {
+      queryKey: consoleQuery.sandboxFile.listFiles.key(),
+    })
+    expect(invalidateSpy).toHaveBeenNthCalledWith(2, {
+      queryKey: consoleQuery.sandboxFile.downloadFile.key(),
+    })
+  })
+
+  it('should disable download query refetch when requested', async () => {
+    const queryClient = createQueryClient()
+    const invalidateSpy = vi.spyOn(queryClient, 'invalidateQueries').mockResolvedValue(undefined)
+    const { result } = renderHook(() => useInvalidateSandboxFiles(), {
+      wrapper: createWrapper(queryClient),
+    })
+
+    await act(async () => {
+      await result.current({ refetchDownloadFile: false })
+    })
+
+    expect(invalidateSpy).toHaveBeenNthCalledWith(1, {
+      queryKey: consoleQuery.sandboxFile.listFiles.key(),
+    })
+    expect(invalidateSpy).toHaveBeenNthCalledWith(2, {
+      queryKey: consoleQuery.sandboxFile.downloadFile.key(),
+      refetchType: 'none',
+    })
+  })
+})
diff --git a/web/service/use-sandbox-file.ts b/web/service/use-sandbox-file.ts
index 2f046ddb0f..aa7b91705d 100644
--- a/web/service/use-sandbox-file.ts
+++ b/web/service/use-sandbox-file.ts
@@ -14,6 +14,15 @@ type UseGetSandboxFilesOptions = {
   refetchInterval?: number | false
 }
 
+type UseSandboxFileDownloadUrlOptions = {
+  enabled?: boolean
+  retry?: boolean | number
+}
+
+type InvalidateSandboxFilesOptions = {
+  refetchDownloadFile?: boolean
+}
+
 export function useGetSandboxFiles(
   appId: string | undefined,
   options?: UseGetSandboxFilesOptions,
@@ -39,6 +48,7 @@ export function useGetSandboxFiles(
 export function useSandboxFileDownloadUrl(
   appId: string | undefined,
   path: string | undefined,
+  options?: UseSandboxFileDownloadUrlOptions,
 ) {
   return useQuery({
     queryKey: consoleQuery.sandboxFile.downloadFile.queryKey({
@@ -48,19 +58,22 @@ export function useSandboxFileDownloadUrl(
       params: { appId: appId! },
       body: { path: path! },
     }),
-    enabled: !!appId && !!path,
+    enabled: !!appId && !!path && (options?.enabled ?? true),
+    retry: options?.retry,
   })
 }
 
 export function useInvalidateSandboxFiles() {
   const queryClient = useQueryClient()
-  return useCallback(() => {
+  return useCallback((options?: InvalidateSandboxFilesOptions) => {
+    const shouldRefetchDownloadFile = options?.refetchDownloadFile ?? true
     return Promise.all([
       queryClient.invalidateQueries({
         queryKey: consoleQuery.sandboxFile.listFiles.key(),
       }),
       queryClient.invalidateQueries({
         queryKey: consoleQuery.sandboxFile.downloadFile.key(),
+        ...(shouldRefetchDownloadFile ? {} : { refetchType: 'none' as const }),
       }),
     ])
   }, [queryClient])