fix: broken link to knowledge base guide (#11387)

web/app/(commonLayout)/datasets/(datasetDetailLayout)/[datasetId]/layout.tsx

@@ -166,7 +166,7 @@ const ExtraInfo = ({ isMobile, relatedApps }: IExtraInfoProps) => {
             className='inline-flex items-center text-xs text-primary-600 mt-2 cursor-pointer'
             href={
               locale === LanguagesSupported[1]
-                ? 'https://docs.dify.ai/v/zh-hans/guides/knowledge-base/integrate_knowledge_within_application'
+                ? 'https://docs.dify.ai/v/zh-hans/guides/knowledge-base/integrate-knowledge-within-application'
                 : 'https://docs.dify.ai/guides/knowledge-base/integrate-knowledge-within-application'
             }
             target='_blank' rel='noopener noreferrer'