diff --git a/yana/AppDelegate.swift b/yana/AppDelegate.swift
index 0b6b55a..232782b 100644
--- a/yana/AppDelegate.swift
+++ b/yana/AppDelegate.swift
@@ -2,12 +2,16 @@ import UIKit
 //import NIMSDK
 
 class AppDelegate: UIResponder, UIApplicationDelegate {
-    private func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) async -> Bool {
-
-        // 预加载用户信息缓存
-        await UserInfoManager.preloadCache()
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+        debugInfoSync("🚀 UIApplication didFinishLaunching")
         
-//        NIMConfigurationManager.setupNimSDK()
+        // 异步预加载用户信息缓存与初始化逻辑（不阻塞启动）
+        Task { @MainActor in
+            await UserInfoManager.preloadCache()
+            // 如需集成 IM/其他 SDK，在此处异步初始化，避免阻塞：
+            // NIMConfigurationManager.setupNimSDK()
+            debugInfoSync("✅ App 启动预热完成")
+        }
         
         return true
     }