diff --git a/web/app/components/header/account-setting/api-based-extension-page/modal.tsx b/web/app/components/header/account-setting/api-based-extension-page/modal.tsx
index f35986dbb0..b04981bf3c 100644
--- a/web/app/components/header/account-setting/api-based-extension-page/modal.tsx
+++ b/web/app/components/header/account-setting/api-based-extension-page/modal.tsx
@@ -30,7 +30,7 @@ const ApiBasedExtensionModal: FC<ApiBasedExtensionModalProps> = ({
   onSave,
 }) => {
   const { t } = useTranslation()
-  const docLink = useDocLink('https://docs.dify.ai/versions/3-0-x')
+  const docLink = useDocLink()
   const [localeData, setLocaleData] = useState(data)
   const [loading, setLoading] = useState(false)
   const { notify } = useToastContext()
diff --git a/web/app/components/workflow-app/components/workflow-onboarding-modal/index.tsx b/web/app/components/workflow-app/components/workflow-onboarding-modal/index.tsx
index 0faf43bfd1..c483abfb0b 100644
--- a/web/app/components/workflow-app/components/workflow-onboarding-modal/index.tsx
+++ b/web/app/components/workflow-app/components/workflow-onboarding-modal/index.tsx
@@ -60,8 +60,6 @@ const WorkflowOnboardingModal: FC<WorkflowOnboardingModalProps> = ({
             </h3>
             <div className="body-xs-regular leading-4 text-text-tertiary">
               {t('onboarding.description', { ns: 'workflow' })}
-              {' '}
-              {t('onboarding.aboutStartNode', { ns: 'workflow' })}
             </div>
           </div>
 
diff --git a/web/context/i18n.spec.ts b/web/context/i18n.spec.ts
new file mode 100644
index 0000000000..98f3552c99
--- /dev/null
+++ b/web/context/i18n.spec.ts
@@ -0,0 +1,254 @@
+import type { DocPathMap } from './i18n'
+import type { DocPathWithoutLang } from '@/types/doc-paths'
+import { useTranslation } from '#i18n'
+import { renderHook } from '@testing-library/react'
+import { getDocLanguage } from '@/i18n-config/language'
+import { defaultDocBaseUrl, useDocLink } from './i18n'
+
+// Mock dependencies
+vi.mock('#i18n', () => ({
+  useTranslation: vi.fn(() => ({
+    i18n: { language: 'en-US' },
+  })),
+}))
+
+vi.mock('@/i18n-config/language', () => ({
+  getDocLanguage: vi.fn((locale: string) => {
+    const map: Record<string, string> = {
+      'zh-Hans': 'zh',
+      'ja-JP': 'ja',
+      'en-US': 'en',
+    }
+    return map[locale] || 'en'
+  }),
+  getLanguage: vi.fn(),
+  getPricingPageLanguage: vi.fn(),
+}))
+
+describe('useDocLink', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    vi.mocked(useTranslation).mockReturnValue({
+      i18n: { language: 'en-US' },
+    } as ReturnType<typeof useTranslation>)
+    vi.mocked(getDocLanguage).mockReturnValue('en')
+  })
+
+  describe('Rendering', () => {
+    it('should return a function', () => {
+      const { result } = renderHook(() => useDocLink())
+      expect(typeof result.current).toBe('function')
+    })
+  })
+
+  describe('Base URL handling', () => {
+    it('should use default base URL when no baseUrl provided', () => {
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current()
+      expect(url).toBe(`${defaultDocBaseUrl}/en`)
+    })
+
+    it('should use custom base URL when provided', () => {
+      const customBaseUrl = 'https://custom.docs.com'
+      const { result } = renderHook(() => useDocLink(customBaseUrl))
+      const url = result.current()
+      expect(url).toBe(`${customBaseUrl}/en`)
+    })
+
+    it('should remove trailing slash from base URL', () => {
+      const baseUrlWithSlash = 'https://docs.dify.ai/'
+      const { result } = renderHook(() => useDocLink(baseUrlWithSlash))
+      const url = result.current('/use-dify/getting-started/introduction')
+      expect(url).toBe('https://docs.dify.ai/en/use-dify/getting-started/introduction')
+    })
+
+    it('should handle base URL without trailing slash', () => {
+      const baseUrlWithoutSlash = 'https://docs.dify.ai'
+      const { result } = renderHook(() => useDocLink(baseUrlWithoutSlash))
+      const url = result.current('/use-dify/getting-started/introduction')
+      expect(url).toBe('https://docs.dify.ai/en/use-dify/getting-started/introduction')
+    })
+  })
+
+  describe('Path handling', () => {
+    it('should handle path parameter', () => {
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/use-dify/getting-started/introduction')
+      expect(url).toBe(`${defaultDocBaseUrl}/en/use-dify/getting-started/introduction`)
+    })
+
+    it('should handle empty path', () => {
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current()
+      expect(url).toBe(`${defaultDocBaseUrl}/en`)
+    })
+
+    it('should handle undefined path', () => {
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current(undefined)
+      expect(url).toBe(`${defaultDocBaseUrl}/en`)
+    })
+  })
+
+  describe('PathMap handling', () => {
+    it('should use path from pathMap when locale matches', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'zh-Hans' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('zh')
+
+      const pathMap: DocPathMap = {
+        'zh-Hans': '/use-dify/getting-started/introduction',
+        'en-US': '/use-dify/getting-started/quick-start',
+      }
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/use-dify/getting-started/quick-start' as DocPathWithoutLang, pathMap)
+      expect(url).toBe(`${defaultDocBaseUrl}/zh/use-dify/getting-started/introduction`)
+    })
+
+    it('should use default path when locale not in pathMap', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'ja-JP' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('ja')
+
+      const pathMap: DocPathMap = {
+        'zh-Hans': '/use-dify/getting-started/introduction',
+        'en-US': '/use-dify/getting-started/quick-start',
+      }
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/use-dify/getting-started/quick-start' as DocPathWithoutLang, pathMap)
+      expect(url).toBe(`${defaultDocBaseUrl}/ja/use-dify/getting-started/quick-start`)
+    })
+
+    it('should handle undefined pathMap', () => {
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/use-dify/getting-started/introduction', undefined)
+      expect(url).toBe(`${defaultDocBaseUrl}/en/use-dify/getting-started/introduction`)
+    })
+  })
+
+  describe('Language prefix handling', () => {
+    it('should add /en prefix for English locale', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'en-US' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('en')
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/use-dify/getting-started/introduction')
+      expect(url).toContain('/en/')
+    })
+
+    it('should add /zh prefix for Chinese locale', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'zh-Hans' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('zh')
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/use-dify/getting-started/introduction')
+      expect(url).toContain('/zh/')
+    })
+
+    it('should add /ja prefix for Japanese locale', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'ja-JP' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('ja')
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/use-dify/getting-started/introduction')
+      expect(url).toContain('/ja/')
+    })
+  })
+
+  describe('API reference path translations', () => {
+    it('should translate API reference path for Chinese locale', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'zh-Hans' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('zh')
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/api-reference/annotations/create-annotation')
+      expect(url).toBe(`${defaultDocBaseUrl}/api-reference/标注管理/创建标注`)
+    })
+
+    it('should translate API reference path for Japanese locale when translation exists', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'ja-JP' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('ja')
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/api-reference/application/get-application-basic-information')
+      expect(url).toBe(`${defaultDocBaseUrl}/api-reference/アプリケーション情報/アプリケーションの基本情報を取得`)
+    })
+
+    it('should not translate API reference path for English locale', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'en-US' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('en')
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/api-reference/annotations/create-annotation')
+      expect(url).toBe(`${defaultDocBaseUrl}/en/api-reference/annotations/create-annotation`)
+    })
+
+    it('should keep original path when no translation exists for non-English locale', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'ja-JP' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('ja')
+
+      const { result } = renderHook(() => useDocLink())
+      // This path has no Japanese translation
+      const url = result.current('/api-reference/annotations/create-annotation')
+      expect(url).toBe(`${defaultDocBaseUrl}/ja/api-reference/annotations/create-annotation`)
+    })
+
+    it('should remove language prefix when translation is applied', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'zh-Hans' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('zh')
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/api-reference/annotations/create-annotation')
+      // Should NOT have /zh/ prefix when translated
+      expect(url).not.toContain('/zh/')
+      expect(url).toBe(`${defaultDocBaseUrl}/api-reference/标注管理/创建标注`)
+    })
+
+    it('should not translate non-API-reference paths', () => {
+      vi.mocked(useTranslation).mockReturnValue({
+        i18n: { language: 'zh-Hans' },
+      } as ReturnType<typeof useTranslation>)
+      vi.mocked(getDocLanguage).mockReturnValue('zh')
+
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/use-dify/getting-started/introduction')
+      expect(url).toBe(`${defaultDocBaseUrl}/zh/use-dify/getting-started/introduction`)
+    })
+  })
+
+  describe('Edge Cases', () => {
+    it('should handle path with anchor', () => {
+      const { result } = renderHook(() => useDocLink())
+      const url = result.current('/use-dify/getting-started/introduction#overview' as DocPathWithoutLang)
+      expect(url).toBe(`${defaultDocBaseUrl}/en/use-dify/getting-started/introduction#overview`)
+    })
+
+    it('should handle multiple calls with same hook instance', () => {
+      const { result } = renderHook(() => useDocLink())
+      const url1 = result.current('/use-dify/getting-started/introduction')
+      const url2 = result.current('/use-dify/getting-started/quick-start')
+      expect(url1).toBe(`${defaultDocBaseUrl}/en/use-dify/getting-started/introduction`)
+      expect(url2).toBe(`${defaultDocBaseUrl}/en/use-dify/getting-started/quick-start`)
+    })
+  })
+})
diff --git a/web/context/i18n.ts b/web/context/i18n.ts
index 01f9b82035..2766dfe5ea 100644
--- a/web/context/i18n.ts
+++ b/web/context/i18n.ts
@@ -31,14 +31,17 @@ export const useDocLink = (baseUrl?: string): ((path?: DocPathWithoutLang, pathM
   return (path?: DocPathWithoutLang, pathMap?: DocPathMap): string => {
     const pathUrl = path || ''
     let targetPath = (pathMap) ? pathMap[locale] || pathUrl : pathUrl
+    let languagePrefix = `/${docLanguage}`
 
     // Translate API reference paths for non-English locales
     if (targetPath.startsWith('/api-reference/') && docLanguage !== 'en') {
       const translatedPath = apiReferencePathTranslations[targetPath]?.[docLanguage as 'zh' | 'ja']
-      if (translatedPath)
+      if (translatedPath) {
         targetPath = translatedPath
+        languagePrefix = ''
+      }
     }
 
-    return `${baseDocUrl}/${docLanguage}${targetPath}`
+    return `${baseDocUrl}${languagePrefix}${targetPath}`
   }
 }