diff --git a/app/src/main/java/com/xiaoqu/watch/app/MainActivity.kt b/app/src/main/java/com/xiaoqu/watch/app/MainActivity.kt
index 6068819..e6f96c1 100644
--- a/app/src/main/java/com/xiaoqu/watch/app/MainActivity.kt
+++ b/app/src/main/java/com/xiaoqu/watch/app/MainActivity.kt
@@ -37,8 +37,8 @@ class MainActivity : AppCompatActivity() {
     /** 事件总线 */
     @Inject lateinit var eventBus: EventBus
 
-    /** 通知横幅 */
-    private lateinit var notificationBanner: NotificationBannerView
+    /** 通知横幅（HomeFragment 需访问设置点击回调） */
+    lateinit var notificationBanner: NotificationBannerView
 
     /** Activity 协程作用域 */
     private val activityScope = CoroutineScope(Dispatchers.Main + SupervisorJob())
diff --git a/app/src/main/java/com/xiaoqu/watch/ui/home/HomeFragment.kt b/app/src/main/java/com/xiaoqu/watch/ui/home/HomeFragment.kt
index a57efde..485e9b6 100644
--- a/app/src/main/java/com/xiaoqu/watch/ui/home/HomeFragment.kt
+++ b/app/src/main/java/com/xiaoqu/watch/ui/home/HomeFragment.kt
@@ -132,6 +132,7 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>() {
         (activity as? com.xiaoqu.watch.app.MainActivity)?.let {
             it.onSwipeDown = null
             it.onBackKeyPressed = null
+            it.notificationBanner.onClick = null
         }
     }