diff --git a/dimensionhub/dimensionhubApp.swift b/dimensionhub/dimensionhubApp.swift
index 6c6a66e..9e2002e 100644
--- a/dimensionhub/dimensionhubApp.swift
+++ b/dimensionhub/dimensionhubApp.swift
@@ -59,7 +59,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
         return true
     }
     
-    func registerForPushNotifications() {
+    private func registerForPushNotifications() {
         UNUserNotificationCenter.current().delegate = self
         // 请求通知权限
         UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) {granted, error in