diff --git a/open-isle-cli/src/components/MenuComponent.vue b/open-isle-cli/src/components/MenuComponent.vue
index 4ce27c9b3..99d8bb54c 100644
--- a/open-isle-cli/src/components/MenuComponent.vue
+++ b/open-isle-cli/src/components/MenuComponent.vue
@@ -9,6 +9,7 @@
         <router-link class="menu-item" exact-active-class="selected" to="/message">
           <i class="menu-item-icon fas fa-envelope"></i>
           <span class="menu-item-text">我的消息</span>
+          <span v-if="unreadCount > 0" class="unread-dot"></span>
         </router-link>
         <router-link class="menu-item" exact-active-class="selected" to="/about">
           <i class="menu-item-icon fas fa-info-circle"></i>
@@ -31,6 +32,9 @@
 
 <script>
 import { themeState, cycleTheme, ThemeMode } from '../utils/theme'
+import { authState } from '../utils/auth'
+import { fetchUnreadCount } from '../utils/notification'
+import { watch } from 'vue'
 export default {
   name: 'MenuComponent',
   props: {
@@ -39,6 +43,9 @@ export default {
       default: true
     }
   },
+  data() {
+    return { unreadCount: 0 }
+  },
   computed: {
     iconClass() {
       switch (themeState.mode) {
@@ -51,6 +58,19 @@ export default {
       }
     }
   },
+  async mounted() {
+    const updateCount = async () => {
+      if (authState.loggedIn) {
+        this.unreadCount = await fetchUnreadCount()
+      } else {
+        this.unreadCount = 0
+      }
+    }
+    await updateCount()
+    watch(() => authState.loggedIn, async () => {
+      await updateCount()
+    })
+  },
   methods: { cycleTheme }
 }
 </script>
@@ -94,6 +114,15 @@ export default {
   opacity: 0.5;
 }
 
+.unread-dot {
+  display: inline-block;
+  width: 8px;
+  height: 8px;
+  margin-left: 4px;
+  border-radius: 50%;
+  background-color: red;
+}
+
 .menu-footer {
   height: 30px;
   display: flex;
diff --git a/open-isle-cli/src/utils/notification.js b/open-isle-cli/src/utils/notification.js
new file mode 100644
index 000000000..8e912d8f9
--- /dev/null
+++ b/open-isle-cli/src/utils/notification.js
@@ -0,0 +1,17 @@
+import { API_BASE_URL } from '../main'
+import { getToken } from './auth'
+
+export async function fetchUnreadCount() {
+  try {
+    const token = getToken()
+    if (!token) return 0
+    const res = await fetch(`${API_BASE_URL}/api/notifications/unread-count`, {
+      headers: { Authorization: `Bearer ${token}` }
+    })
+    if (!res.ok) return 0
+    const data = await res.json()
+    return data.count
+  } catch (e) {
+    return 0
+  }
+}
diff --git a/src/main/java/com/openisle/controller/NotificationController.java b/src/main/java/com/openisle/controller/NotificationController.java
index 45df2240d..90bcdb2e5 100644
--- a/src/main/java/com/openisle/controller/NotificationController.java
+++ b/src/main/java/com/openisle/controller/NotificationController.java
@@ -29,6 +29,14 @@ public class NotificationController {
                 .collect(Collectors.toList());
     }
 
+    @GetMapping("/unread-count")
+    public UnreadCount unreadCount(Authentication auth) {
+        long count = notificationService.countUnread(auth.getName());
+        UnreadCount uc = new UnreadCount();
+        uc.setCount(count);
+        return uc;
+    }
+
     @PostMapping("/read")
     public void markRead(@RequestBody MarkReadRequest req, Authentication auth) {
         notificationService.markRead(auth.getName(), req.getIds());
@@ -115,4 +123,9 @@ public class NotificationController {
         private String username;
         private String avatar;
     }
+
+    @Data
+    private static class UnreadCount {
+        private long count;
+    }
 }
diff --git a/src/main/java/com/openisle/repository/NotificationRepository.java b/src/main/java/com/openisle/repository/NotificationRepository.java
index 0ed952243..06bf87881 100644
--- a/src/main/java/com/openisle/repository/NotificationRepository.java
+++ b/src/main/java/com/openisle/repository/NotificationRepository.java
@@ -10,4 +10,5 @@ import java.util.List;
 public interface NotificationRepository extends JpaRepository<Notification, Long> {
     List<Notification> findByUserOrderByCreatedAtDesc(User user);
     List<Notification> findByUserAndReadOrderByCreatedAtDesc(User user, boolean read);
+    long countByUserAndRead(User user, boolean read);
 }
diff --git a/src/main/java/com/openisle/service/NotificationService.java b/src/main/java/com/openisle/service/NotificationService.java
index c2b7e9551..5f0f21c37 100644
--- a/src/main/java/com/openisle/service/NotificationService.java
+++ b/src/main/java/com/openisle/service/NotificationService.java
@@ -45,4 +45,10 @@ public class NotificationService {
         }
         notificationRepository.saveAll(notifs);
     }
+
+    public long countUnread(String username) {
+        User user = userRepository.findByUsername(username)
+                .orElseThrow(() -> new IllegalArgumentException("User not found"));
+        return notificationRepository.countByUserAndRead(user, false);
+    }
 }
diff --git a/src/test/java/com/openisle/controller/NotificationControllerTest.java b/src/test/java/com/openisle/controller/NotificationControllerTest.java
index 90a0dda0f..53a8c80f8 100644
--- a/src/test/java/com/openisle/controller/NotificationControllerTest.java
+++ b/src/test/java/com/openisle/controller/NotificationControllerTest.java
@@ -60,4 +60,14 @@ class NotificationControllerTest {
 
         verify(notificationService).markRead("alice", List.of(1L,2L));
     }
+
+    @Test
+    void unreadCountEndpoint() throws Exception {
+        Mockito.when(notificationService.countUnread("alice")).thenReturn(3L);
+
+        mockMvc.perform(get("/api/notifications/unread-count")
+                        .principal(new UsernamePasswordAuthenticationToken("alice","p")))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.count").value(3));
+    }
 }
diff --git a/src/test/java/com/openisle/service/NotificationServiceTest.java b/src/test/java/com/openisle/service/NotificationServiceTest.java
index 10a31bc5f..6efd06498 100644
--- a/src/test/java/com/openisle/service/NotificationServiceTest.java
+++ b/src/test/java/com/openisle/service/NotificationServiceTest.java
@@ -60,4 +60,22 @@ class NotificationServiceTest {
         assertEquals(1, list.size());
         verify(nRepo).findByUserOrderByCreatedAtDesc(user);
     }
+
+    @Test
+    void countUnreadReturnsRepositoryValue() {
+        NotificationRepository nRepo = mock(NotificationRepository.class);
+        UserRepository uRepo = mock(UserRepository.class);
+        NotificationService service = new NotificationService(nRepo, uRepo);
+
+        User user = new User();
+        user.setId(3L);
+        user.setUsername("carl");
+        when(uRepo.findByUsername("carl")).thenReturn(Optional.of(user));
+        when(nRepo.countByUserAndRead(user, false)).thenReturn(5L);
+
+        long count = service.countUnread("carl");
+
+        assertEquals(5L, count);
+        verify(nRepo).countByUserAndRead(user, false);
+    }
 }