diff --git a/messages/en.json b/messages/en.json
index f08696d..39a9da4 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -12,6 +12,34 @@
     "LogIn": "LogIn",
     "LogOut": "LogOut"
   },
+  "Sidebar": {
+    "platform": "Platform",
+    "appTagline": "Programming Learning",
+    "teachingTagline": "Teaching Platform"
+  },
+  "Breadcrumb": {
+    "home": "Home",
+    "dashboard": "Dashboard",
+    "management": "Management",
+    "profile": "Profile",
+    "changePassword": "Change Password",
+    "problems": "Problems",
+    "problem": "Problem",
+    "problemset": "Problemset",
+    "admin": "Admin",
+    "teacher": "Teacher",
+    "student": "Student",
+    "usermanagement": "Account Management",
+    "courses": "Courses",
+    "assignments": "Assignments",
+    "userdashboard": "User Dashboard",
+    "protected": "Protected",
+    "app": "App",
+    "auth": "Auth",
+    "signIn": "Sign In",
+    "signUp": "Sign Up",
+    "detail": "Detail"
+  },
   "Banner": {
     "Text": "Star this project if you like it."
   },
diff --git a/messages/zh.json b/messages/zh.json
index 861b5cb..2e7430f 100644
--- a/messages/zh.json
+++ b/messages/zh.json
@@ -12,6 +12,34 @@
     "LogIn": "登录",
     "LogOut": "登出"
   },
+  "Sidebar": {
+    "platform": "平台",
+    "appTagline": "编程学习平台",
+    "teachingTagline": "教学平台"
+  },
+  "Breadcrumb": {
+    "home": "首页",
+    "dashboard": "仪表板",
+    "management": "管理面板",
+    "profile": "用户信息",
+    "changePassword": "修改密码",
+    "problems": "题目",
+    "problem": "题目",
+    "problemset": "题目集",
+    "admin": "管理后台",
+    "teacher": "教师平台",
+    "student": "学生平台",
+    "usermanagement": "账号管理",
+    "courses": "课程",
+    "assignments": "作业",
+    "userdashboard": "用户仪表板",
+    "protected": "受保护",
+    "app": "应用",
+    "auth": "认证",
+    "signIn": "登录",
+    "signUp": "注册",
+    "detail": "详情"
+  },
   "Banner": {
     "Text": "如果喜欢该项目不妨收藏一下"
   },
diff --git a/src/components/dynamic-breadcrumb.tsx b/src/components/dynamic-breadcrumb.tsx
index d8408a4..048829b 100644
--- a/src/components/dynamic-breadcrumb.tsx
+++ b/src/components/dynamic-breadcrumb.tsx
@@ -9,6 +9,7 @@ import {
   BreadcrumbSeparator,
 } from "@/components/ui/breadcrumb";
 import { usePathname } from "next/navigation";
+import { useTranslations } from "next-intl";
 
 interface BreadcrumbItem {
   label: string;
@@ -17,13 +18,14 @@ interface BreadcrumbItem {
 
 export function DynamicBreadcrumb() {
   const pathname = usePathname();
+  const t = useTranslations("Breadcrumb");
 
   const generateBreadcrumbs = (): BreadcrumbItem[] => {
     const segments = pathname.split("/").filter(Boolean);
     const breadcrumbs: BreadcrumbItem[] = [];
 
     // 添加首页
-    breadcrumbs.push({ label: "首页", href: "/" });
+    breadcrumbs.push({ label: t("home"), href: "/" });
 
     let currentPath = "";
 
@@ -35,29 +37,30 @@ export function DynamicBreadcrumb() {
 
       // 路径映射
       const pathMap: Record<string, string> = {
-        dashboard: "仪表板",
-        management: "管理面板",
-        profile: "用户信息",
-        "change-password": "修改密码",
-        problems: "题目",
-        problemset: "题目集",
-        admin: "管理后台",
-        teacher: "教师平台",
-        student: "学生平台",
-        usermanagement: "账号管理",
-        courses: "课程",
-        assignments: "作业",
-        userdashboard: "用户仪表板",
-        protected: "受保护",
-        app: "应用",
-        auth: "认证",
-        "sign-in": "登录",
-        "sign-up": "注册",
+        dashboard: t("dashboard"),
+        management: t("management"),
+        profile: t("profile"),
+        "change-password": t("changePassword"),
+        problems: t("problems"),
+        problem: t("problem"),
+        problemset: t("problemset"),
+        admin: t("admin"),
+        teacher: t("teacher"),
+        student: t("student"),
+        usermanagement: t("usermanagement"),
+        courses: t("courses"),
+        assignments: t("assignments"),
+        userdashboard: t("userdashboard"),
+        protected: t("protected"),
+        app: t("app"),
+        auth: t("auth"),
+        "sign-in": t("signIn"),
+        "sign-up": t("signUp"),
       };
 
       // 如果是数字，可能是题目ID，显示为"题目详情"
       if (/^\d+$/.test(segment)) {
-        label = "详情";
+        label = t("detail");
       } else if (pathMap[segment]) {
         label = pathMap[segment];
       } else {
diff --git a/src/components/nav-main.tsx b/src/components/nav-main.tsx
index 8b2d99c..0225f67 100644
--- a/src/components/nav-main.tsx
+++ b/src/components/nav-main.tsx
@@ -17,6 +17,7 @@ import {
   CollapsibleTrigger,
 } from "@/components/ui/collapsible";
 import { ChevronRight, type LucideIcon } from "lucide-react";
+import { useTranslations } from "next-intl";
 
 export function NavMain({
   items,
@@ -32,9 +33,11 @@ export function NavMain({
     }[];
   }[];
 }) {
+  const t = useTranslations("Sidebar");
+
   return (
     <SidebarGroup>
-      <SidebarGroupLabel>Platform</SidebarGroupLabel>
+      <SidebarGroupLabel>{t("platform")}</SidebarGroupLabel>
       <SidebarMenu>
         {items.map((item) => (
           <Collapsible key={item.title} asChild defaultOpen={item.isActive}>
diff --git a/src/components/sidebar/app-sidebar.tsx b/src/components/sidebar/app-sidebar.tsx
index c780484..1412781 100644
--- a/src/components/sidebar/app-sidebar.tsx
+++ b/src/components/sidebar/app-sidebar.tsx
@@ -17,6 +17,7 @@ import { NavUser } from "@/components/nav-user";
 import { NavProjects } from "@/components/nav-projects";
 import { NavSecondary } from "@/components/nav-secondary";
 import { Command, LifeBuoy, Send, Shield } from "lucide-react";
+import { useTranslations } from "next-intl";
 
 const data = {
   navMain: [
@@ -100,6 +101,7 @@ interface AppSidebarProps {
 }
 
 export function AppSidebar({ user, wrongProblems, ...props }: AppSidebarProps) {
+  const t = useTranslations("Sidebar");
   const userInfo = {
     name: user.name ?? "",
     email: user.email ?? "",
@@ -118,7 +120,7 @@ export function AppSidebar({ user, wrongProblems, ...props }: AppSidebarProps) {
                 </div>
                 <div className="grid flex-1 text-left text-sm leading-tight">
                   <span className="truncate font-semibold">Judge4c</span>
-                  <span className="truncate text-xs">Programming Learning</span>
+                  <span className="truncate text-xs">{t("appTagline")}</span>
                 </div>
               </a>
             </SidebarMenuButton>
diff --git a/src/components/sidebar/teacher-sidebar.tsx b/src/components/sidebar/teacher-sidebar.tsx
index 347522c..a41edb4 100644
--- a/src/components/sidebar/teacher-sidebar.tsx
+++ b/src/components/sidebar/teacher-sidebar.tsx
@@ -16,6 +16,7 @@ import { siteConfig } from "@/config/site";
 import { NavMain } from "@/components/nav-main";
 import { NavUser } from "@/components/nav-user";
 import { NavSecondary } from "@/components/nav-secondary";
+import { useTranslations } from "next-intl";
 
 const data = {
   navMain: [
@@ -66,6 +67,7 @@ export function TeacherSidebar({
   user,
   ...props
 }: TeacherSidebarProps & React.ComponentProps<typeof Sidebar>) {
+  const t = useTranslations("Sidebar");
   const userInfo = {
     name: user.name ?? "",
     email: user.email ?? "",
@@ -84,7 +86,7 @@ export function TeacherSidebar({
                 </div>
                 <div className="grid flex-1 text-left text-sm leading-tight">
                   <span className="truncate font-semibold">Judge4c 教师端</span>
-                  <span className="truncate text-xs">Teaching Platform</span>
+                  <span className="truncate text-xs">{t("teachingTagline")}</span>
                 </div>
               </a>
             </SidebarMenuButton>