diff --git a/frontend/providers/aiproxy/app/[lng]/(user)/layout.tsx b/frontend/providers/aiproxy/app/[lng]/(user)/layout.tsx
index 1de240c7627..11fcb755d05 100644
--- a/frontend/providers/aiproxy/app/[lng]/(user)/layout.tsx
+++ b/frontend/providers/aiproxy/app/[lng]/(user)/layout.tsx
@@ -22,7 +22,7 @@ export default function UserLayout({ children }: { children: React.ReactNode })
 
   const handleI18nChange = useCallback(
     (data: { currentLanguage: string }) => {
-      const currentLng = i18n.resolvedLanguage // 这里会获取最新的 resolvedLanguage
+      const currentLng = i18n.resolvedLanguage // get the latest resolvedLanguage
       const newLng = data.currentLanguage
 
       if (currentLng !== newLng) {
diff --git a/frontend/providers/aiproxy/app/[lng]/globals.css b/frontend/providers/aiproxy/app/[lng]/globals.css
index 0c6c75c67c5..e6e10f493dd 100644
--- a/frontend/providers/aiproxy/app/[lng]/globals.css
+++ b/frontend/providers/aiproxy/app/[lng]/globals.css
@@ -152,11 +152,11 @@ div.rdp {
   --rdp-cell-size: 40px;
   --rdp-accent-color: black;
   --rdp-background-color: #f4f6f8;
-  /* 深色主题颜色 */
+  /* black theme color */
   --rdp-accent-color-dark: #3003e1;
   --rdp-background-color-dark: #180270;
-  /* 聚焦元素的轮廓边框 */
+  /* focus element outline border */
   --rdp-outline: 2px solid var(--rdp-accent-color);
-  /* 聚焦且选中元素的轮廓边框 */
+  /* focus and selected element outline border */
   --rdp-outline-selected: 2px solid rgba(0, 0, 0, 0.75);
 }
diff --git a/frontend/providers/aiproxy/components/user/KeyList.tsx b/frontend/providers/aiproxy/components/user/KeyList.tsx
index b082d643805..5c5787113ce 100644
--- a/frontend/providers/aiproxy/components/user/KeyList.tsx
+++ b/frontend/providers/aiproxy/components/user/KeyList.tsx
@@ -16,7 +16,6 @@ import {
   Th,
   Thead,
   Tr,
-  Tooltip,
   Modal,
   ModalOverlay,
   ModalContent,
diff --git a/frontend/providers/aiproxy/components/user/ModelList.tsx b/frontend/providers/aiproxy/components/user/ModelList.tsx
index ac833669c8f..e58eca70739 100644
--- a/frontend/providers/aiproxy/components/user/ModelList.tsx
+++ b/frontend/providers/aiproxy/components/user/ModelList.tsx
@@ -26,13 +26,13 @@ const getIdentifier = (modelName: string): ModelIdentifier => {
 }
 
 const sortModels = (models: string[]): string[] => {
-  // 使用 Map 进行分组
+  // group by identifier
   const groupMap = new Map<string, string[]>()
 
-  // 分组
+  // group by identifier
   models.forEach((model) => {
     const identifier = getIdentifier(model)
-    // 特殊处理 gpt 和 o1，将它们归为同一组 'openai'
+    // special handle gpt and o1, group them as 'openai'
     const groupKey = identifier === 'gpt' || identifier === 'o' ? 'openai' : identifier
     if (!groupMap.has(groupKey)) {
       groupMap.set(groupKey, [])
@@ -40,15 +40,13 @@ const sortModels = (models: string[]): string[] => {
     groupMap.get(groupKey)?.push(model)
   })
 
-  // 按照 identifier 排序并扁平化结果
+  // sort by identifier and flatten the result
   return Array.from(groupMap.entries())
-    .sort((a, b) => a[0].localeCompare(b[0])) // 按 identifier 排序
-    .flatMap(([_, models]) => models.sort()) // 扁平化并保持每组内的排序
+    .sort((a, b) => a[0].localeCompare(b[0])) // sort by identifier
+    .flatMap(([_, models]) => models.sort()) // flatten and keep the order in each group
 }
 
-// 模型组件
 const ModelComponent = ({ modelName }: { modelName: string }) => {
-  // 图标映射和标识符关系
   const modelGroups = {
     openai: {
       icon: OpenAIIcon,
@@ -88,7 +86,7 @@ const ModelComponent = ({ modelName }: { modelName: string }) => {
     }
   }
 
-  // 获取模型图标
+  // get model icon
   const getModelIcon = (modelName: string): StaticImageData => {
     const identifier = getIdentifier(modelName)
     const group = Object.values(modelGroups).find((group) => group.identifiers.includes(identifier))
@@ -150,7 +148,6 @@ const ModelComponent = ({ modelName }: { modelName: string }) => {
   )
 }
 
-// 模型列表组件
 const ModelList: React.FC = () => {
   const { lng } = useI18n()
   const { t } = useTranslationClientSide(lng, 'common')
diff --git a/frontend/providers/aiproxy/middleware.ts b/frontend/providers/aiproxy/middleware.ts
index 940f7536c77..97bae24a108 100644
--- a/frontend/providers/aiproxy/middleware.ts
+++ b/frontend/providers/aiproxy/middleware.ts
@@ -32,15 +32,15 @@ export function middleware(req: NextRequest): NextResponse {
     return NextResponse.next()
   }
 
-  // 从路径中获取语言设置
+  // get language from pathname
   let lng = req.nextUrl.pathname.split('/')[1]
 
-  // 如果路径中没有有效的语言代码，则使用默认语言
+  // if pathname does not contain valid language code, use fallback language
   if (!languages.includes(lng)) {
     lng = fallbackLng
   }
 
-  // 处理根路径和语言路径的重定向
+  // handle root path and language path redirect
   if (
     req.nextUrl.pathname === '/' ||
     languages.some((lang) => req.nextUrl.pathname === `/${lang}`)
@@ -49,7 +49,7 @@ export function middleware(req: NextRequest): NextResponse {
     return NextResponse.redirect(newUrl)
   }
 
-  // 处理其他需要添加语言前缀的路径
+  // handle other paths that need to add language prefix
   if (!languages.some((loc) => req.nextUrl.pathname.startsWith(`/${loc}`))) {
     const newUrl = new URL(`/${lng}${req.nextUrl.pathname}${req.nextUrl.search}`, req.url)
     return NextResponse.redirect(newUrl)