diff --git a/web/app/components/workflow/nodes/_base/hooks/use-node-help-link.ts b/web/app/components/workflow/nodes/_base/hooks/use-node-help-link.ts
index 861018caa9..c8a5c83d9c 100644
--- a/web/app/components/workflow/nodes/_base/hooks/use-node-help-link.ts
+++ b/web/app/components/workflow/nodes/_base/hooks/use-node-help-link.ts
@@ -26,9 +26,12 @@ export const useNodeHelpLink = (nodeType: BlockEnum) => {
         [BlockEnum.VariableAggregator]: 'variable_assigner',
         [BlockEnum.Assigner]: 'variable_assignment',
         [BlockEnum.Iteration]: 'iteration',
+        [BlockEnum.IterationStart]: 'iteration',
         [BlockEnum.ParameterExtractor]: 'parameter_extractor',
         [BlockEnum.HttpRequest]: 'http_request',
         [BlockEnum.Tool]: 'tools',
+        [BlockEnum.DocExtractor]: 'doc_extractor',
+        [BlockEnum.ListFilter]: 'list_filter',
       }
     }
 
@@ -46,9 +49,12 @@ export const useNodeHelpLink = (nodeType: BlockEnum) => {
       [BlockEnum.VariableAggregator]: 'variable-assigner',
       [BlockEnum.Assigner]: 'variable-assignment',
       [BlockEnum.Iteration]: 'iteration',
+      [BlockEnum.IterationStart]: 'iteration',
       [BlockEnum.ParameterExtractor]: 'parameter-extractor',
       [BlockEnum.HttpRequest]: 'http-request',
       [BlockEnum.Tool]: 'tools',
+      [BlockEnum.DocExtractor]: 'doc_extractor',
+      [BlockEnum.ListFilter]: 'list_filter',
     }
   }, [language])
 
diff --git a/web/app/components/workflow/nodes/document-extractor/panel.tsx b/web/app/components/workflow/nodes/document-extractor/panel.tsx
index 21ab77721d..52491875cd 100644
--- a/web/app/components/workflow/nodes/document-extractor/panel.tsx
+++ b/web/app/components/workflow/nodes/document-extractor/panel.tsx
@@ -6,11 +6,12 @@ import { useContext } from 'use-context-selector'
 import VarReferencePicker from '../_base/components/variable/var-reference-picker'
 import OutputVars, { VarItem } from '../_base/components/output-vars'
 import Split from '../_base/components/split'
+import { useNodeHelpLink } from '../_base/hooks/use-node-help-link'
 import useConfig from './use-config'
 import type { DocExtractorNodeType } from './types'
 import { fetchSupportFileTypes } from '@/service/datasets'
 import Field from '@/app/components/workflow/nodes/_base/components/field'
-import { type NodePanelProps } from '@/app/components/workflow/types'
+import { BlockEnum, type NodePanelProps } from '@/app/components/workflow/types'
 import I18n from '@/context/i18n'
 import { LanguagesSupported } from '@/i18n/language'
 
@@ -22,7 +23,7 @@ const Panel: FC<NodePanelProps<DocExtractorNodeType>> = ({
 }) => {
   const { t } = useTranslation()
   const { locale } = useContext(I18n)
-
+  const link = useNodeHelpLink(BlockEnum.DocExtractor)
   const { data: supportFileTypesResponse } = useSWR({ url: '/files/support-type' }, fetchSupportFileTypes)
   const supportTypes = supportFileTypesResponse?.allowed_extensions || []
   const supportTypesShowNames = (() => {
@@ -65,7 +66,7 @@ const Panel: FC<NodePanelProps<DocExtractorNodeType>> = ({
             />
             <div className='mt-1 py-0.5 text-text-tertiary body-xs-regular'>
               {t(`${i18nPrefix}.supportFileTypes`, { types: supportTypesShowNames })}
-              <a className='text-text-accent'>{t(`${i18nPrefix}.learnMore`)}</a>
+              <a className='text-text-accent' href={link} target='_blank'>{t(`${i18nPrefix}.learnMore`)}</a>
             </div>
           </>
         </Field>