fix: eco knowledge retrieval method (#6798)

web/app/components/app/configuration/dataset-config/params-config/config-content.tsx

@@ -32,6 +32,7 @@ import { RerankingModeEnum } from '@/models/datasets'
 import cn from '@/utils/classnames'
 import { useSelectedDatasetsMode } from '@/app/components/workflow/nodes/knowledge-retrieval/hooks'
 import Switch from '@/app/components/base/switch'
+import { useGetLanguage } from '@/context/i18n'
 
 type Props = {
   datasetConfigs: DatasetConfigs
@@ -43,6 +44,11 @@ type Props = {
   selectedDatasets?: DataSet[]
 }
 
+const LEGACY_LINK_MAP = {
+  en_US: 'https://docs.dify.ai/guides/knowledge-base/integrate-knowledge-within-application',
+  zh_Hans: 'https://docs.dify.ai/v/zh-hans/guides/knowledge-base/integrate_knowledge_within_application',
+} as Record<string, string>
+
 const ConfigContent: FC<Props> = ({
   datasetConfigs,
   onChange,
@@ -53,6 +59,7 @@ const ConfigContent: FC<Props> = ({
   selectedDatasets = [],
 }) => {
   const { t } = useTranslation()
+  const language = useGetLanguage()
   const selectedDatasetsMode = useSelectedDatasetsMode(selectedDatasets)
   const type = datasetConfigs.retrieval_model
   const setType = (value: RETRIEVE_TYPE) => {
@@ -167,7 +174,21 @@ const ConfigContent: FC<Props> = ({
           title={(
             <div className='flex items-center'>
               {t('appDebug.datasetConfig.retrieveOneWay.title')}
-              <TooltipPlus popupContent={<div className='w-[320px]'>{t('dataset.nTo1RetrievalLegacy')}</div>}>
+              <TooltipPlus
+                popupContent={(
+                  <div className='w-[320px]'>
+                    {t('dataset.nTo1RetrievalLegacy')}
+                    <a
+                      className='underline'
+                      href={LEGACY_LINK_MAP[language]}
+                      target='_blank'
+                      rel='noopener noreferrer'
+                    >
+                      ({t('dataset.nTo1RetrievalLegacyLink')})
+                    </a>
+                  </div>
+                )}
+              >
                 <div className='ml-1 flex items-center px-[5px] h-[18px] rounded-[5px] border border-text-accent-secondary system-2xs-medium-uppercase text-text-accent-secondary'>legacy</div>
               </TooltipPlus>
             </div>