diff --git a/docs/en/appendix/index.md b/docs/en/appendix/index.md
index a6856c8..78598d4 100644
--- a/docs/en/appendix/index.md
+++ b/docs/en/appendix/index.md
@@ -9,47 +9,47 @@ Welcome to the **Appendix** section! This is a collection of artificial intellig
 Understand the core concepts, development history, and cutting-edge technical principles of artificial intelligence:
 <NavGrid>
   <NavCard
-    href="/en-us/appendix/prompt-engineering/"
+    href="/en/appendix/prompt-engineering/"
     title="Prompt Engineering"
     description="Master the art of efficient dialogue with AI to unlock the potential of large models"
   />
   <NavCard
-    href="/en-us/appendix/ai-evolution"
+    href="/en/appendix/ai-evolution"
     title="AI Evolution History"
     description="Review key milestones in AI development and understand the trajectory of technological evolution"
   />
   <NavCard
-    href="/en-us/appendix/llm-intro"
+    href="/en/appendix/llm-intro"
     title="Large Language Models"
     description="Deep yet accessible explanation of how Large Language Models (LLMs) work and their applications"
   />
   <NavCard
-    href="/en-us/appendix/vlm-intro"
+    href="/en/appendix/vlm-intro"
     title="Multimodal Large Models"
     description="Explore advanced models capable of processing multiple data modalities such as images and audio"
   />
   <NavCard
-    href="/en-us/appendix/image-gen-intro"
+    href="/en/appendix/image-gen-intro"
     title="AI Image Generation Principles"
     description="Uncover the underlying logic and technical implementation of AI image generation"
   />
   <NavCard
-    href="/en-us/appendix/audio-intro"
+    href="/en/appendix/audio-intro"
     title="AI Audio Models"
     description="Understand AI applications in speech synthesis, recognition, and music generation"
   />
   <NavCard
-    href="/en-us/appendix/context-engineering"
+    href="/en/appendix/context-engineering"
     title="Context Engineering"
     description="Learn how to optimize context management to improve long-range coherence of AI tasks"
   />
   <NavCard
-    href="/en-us/appendix/agent-intro"
+    href="/en/appendix/agent-intro"
     title="Agent Intelligence"
     description="Explore AI agent architectures with autonomous decision-making and execution capabilities"
   />
   <NavCard
-    href="/en-us/appendix/ai-capability-dictionary"
+    href="/en/appendix/ai-capability-dictionary"
     title="AI Capability Dictionary"
     description="A quick reference handbook for commonly used terms and core concepts in the AI field"
   />
@@ -61,32 +61,32 @@ Understand the core concepts, development history, and cutting-edge technical pr
 Solidify the technical foundation of frontend development:
 <NavGrid>
   <NavCard
-    href="/en-us/appendix/web-basics"
+    href="/en/appendix/web-basics"
     title="HTML/CSS/JS Basics"
     description="The three pillars of building web pages, essential for frontend development beginners"
   />
   <NavCard
-    href="/en-us/appendix/frontend-evolution"
+    href="/en/appendix/frontend-evolution"
     title="Frontend Evolution History"
     description="Understand the evolution of frontend technology stacks and grasp technology development trends"
   />
   <NavCard
-    href="/en-us/appendix/frontend-performance"
+    href="/en/appendix/frontend-performance"
     title="Frontend Performance Optimization"
     description="Learn key strategies to improve webpage loading speed and interaction smoothness"
   />
   <NavCard
-    href="/en-us/appendix/canvas-intro"
+    href="/en/appendix/canvas-intro"
     title="Canvas 2D Basics"
     description="Master the Canvas drawing API to achieve cool graphics and animation effects"
   />
   <NavCard
-    href="/en-us/appendix/url-to-browser"
+    href="/en/appendix/url-to-browser"
     title="From URL to Browser Display"
     description="Full-chain analysis of the complete process of browser rendering pages"
   />
   <NavCard
-    href="/en-us/appendix/browser-devtools/"
+    href="/en/appendix/browser-devtools/"
     title="Browser DevTools"
     description="Proficiently use developer tools to efficiently locate and solve frontend issues"
   />
@@ -98,42 +98,42 @@ Solidify the technical foundation of frontend development:
 Master the core concepts of backend development:
 <NavGrid>
   <NavCard
-    href="/en-us/appendix/backend-evolution"
+    href="/en/appendix/backend-evolution"
     title="Backend Evolution History"
     description="From monolithic to microservices, exploring the evolution of backend architecture"
   />
   <NavCard
-    href="/en-us/appendix/backend-languages"
+    href="/en/appendix/backend-languages"
     title="Backend Programming Languages"
     description="Compare the characteristics and applicable scenarios of mainstream backend languages to choose the best technology stack"
   />
   <NavCard
-    href="/en-us/appendix/database-intro"
+    href="/en/appendix/database-intro"
     title="Database Principles"
     description="Understand core database principles and master the art of data storage and retrieval"
   />
   <NavCard
-    href="/en-us/appendix/cache-design"
+    href="/en/appendix/cache-design"
     title="System Cache Design"
     description="Learn caching strategies to improve system high-concurrency processing capabilities"
   />
   <NavCard
-    href="/en-us/appendix/queue-design"
+    href="/en/appendix/queue-design"
     title="Message Queue Design"
     description="Master the key role of message queues in decoupling and peak shaving"
   />
   <NavCard
-    href="/en-us/appendix/auth-design"
+    href="/en/appendix/auth-design"
     title="Authentication Principles & Practice"
     description="Build secure identity authentication and permission management systems"
   />
   <NavCard
-    href="/en-us/appendix/tracking-design"
+    href="/en/appendix/tracking-design"
     title="Tracking Design"
     description="Scientifically design data tracking to provide data support for product decisions"
   />
   <NavCard
-    href="/en-us/appendix/operations"
+    href="/en/appendix/operations"
     title="Online Operations"
     description="Master operations skills for system deployment, monitoring, and troubleshooting"
   />
@@ -145,32 +145,32 @@ Master the core concepts of backend development:
 Basic knowledge of software development:
 <NavGrid>
   <NavCard
-    href="/en-us/appendix/api-intro"
+    href="/en/appendix/api-intro"
     title="API Basics"
     description="Basic knowledge of API interface design and development"
   />
   <NavCard
-    href="/en-us/appendix/ide-intro/"
+    href="/en/appendix/ide-intro/"
     title="IDE Principles"
     description="Understand the internal working mechanism of Integrated Development Environments (IDEs)"
   />
   <NavCard
-    href="/en-us/appendix/terminal-intro"
+    href="/en/appendix/terminal-intro"
     title="Terminal Basics"
     description="Master basic command-line terminal operations to improve development efficiency"
   />
   <NavCard
-    href="/en-us/appendix/git-intro"
+    href="/en/appendix/git-intro"
     title="Git Detailed Introduction"
     description="Deeply understand Git version control principles and advanced usage"
   />
   <NavCard
-    href="/en-us/appendix/computer-networks"
+    href="/en/appendix/computer-networks"
     title="Computer Networks"
     description="Basic knowledge of network protocols and communication principles"
   />
   <NavCard
-    href="/en-us/appendix/deployment"
+    href="/en/appendix/deployment"
     title="Deployment & Launch"
     description="Complete process and best practices for application deployment and release"
   />
diff --git a/docs/index.md b/docs/index.md
index 57a32cd..8ad8b76 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -13,9 +13,9 @@ onMounted(() => {
     'zh-cn': '/zh-cn/',
     'zh-tw': '/zh-tw/',
     'zh-hk': '/zh-tw/',
-    'en': '/en-us/',
-    'en-us': '/en-us/',
-    'en-gb': '/en-us/',
+    'en': '/en/',
+    'en-us': '/en/',
+    'en-gb': '/en/',
     'ja': '/ja-jp/',
     'ja-jp': '/ja-jp/',
     'ko': '/ko-kr/',
diff --git a/docs/public/robots.txt b/docs/public/robots.txt
index 09384bf..bb19b30 100644
--- a/docs/public/robots.txt
+++ b/docs/public/robots.txt
@@ -6,9 +6,9 @@ Allow: /
 Disallow: /zh-cn/extra/
 Disallow: /zh-cn/examples/
 Disallow: /zh-cn/project/
-Disallow: /en-us/extra/
-Disallow: /en-us/examples/
-Disallow: /en-us/project/
+Disallow: /en/extra/
+Disallow: /en/examples/
+Disallow: /en/project/
 
 # 禁止抓取 VitePress 缓存和构建文件
 Disallow: /.vitepress/