Help documentation URL correction (#9704)

web/app/components/workflow/panel/chat-variable-panel/index.tsx

@@ -139,7 +139,7 @@ const ChatVariablePanel = () => {
             <div className='inline-block py-[3px] px-[5px] rounded-[5px] border border-divider-deep text-text-tertiary system-2xs-medium-uppercase'>TIPS</div>
             <div className='mt-1 mb-4 system-sm-regular text-text-secondary'>
               {t('workflow.chatVariable.panelDescription')}
-              <a target='_blank' rel='noopener noreferrer' className='text-text-accent' href={locale !== LanguagesSupported[1] ? 'https://docs.dify.ai/guides/workflow/key_concepts#conversation-variables' : `https://docs.dify.ai/v/${locale.toLowerCase()}/guides/workflow/key_concept#hui-hua-bian-liang`}>{t('workflow.chatVariable.docLink')}</a>
+              <a target='_blank' rel='noopener noreferrer' className='text-text-accent' href={locale !== LanguagesSupported[1] ? 'https://docs.dify.ai/guides/workflow/variables#conversation-variables' : `https://docs.dify.ai/${locale.toLowerCase()}/guides/workflow/variables#hui-hua-bian-liang`}>{t('workflow.chatVariable.docLink')}</a>
             </div>
             <div className='flex items-center gap-2'>
               <div className='flex flex-col p-3 pb-4 bg-workflow-block-bg radius-lg border border-workflow-block-border shadow-md'>