diff --git a/yana/Features/AppSettingFeature.swift b/yana/Features/AppSettingFeature.swift
index 3b0b2b8..46199b8 100644
--- a/yana/Features/AppSettingFeature.swift
+++ b/yana/Features/AppSettingFeature.swift
@@ -50,8 +50,12 @@ struct AppSettingFeature {
                 return .none
                 
             case .logoutTapped:
-                // 预留登出逻辑
-                return .none
+                // 清理所有认证信息，并向上层发送登出事件
+                return .run { send in
+                    await UserInfoManager.clearAllAuthenticationData()
+                    // 向上层Feature传递登出事件（需在MainFeature处理）
+                    // 这里直接返回.none，由MainFeature监听AppSettingFeature.Action.logoutTapped后处理
+                }
                 
             case .loadUserInfo:
                 state.isLoadingUserInfo = true
diff --git a/yana/Features/MainFeature.swift b/yana/Features/MainFeature.swift
index e228140..b5ef4fe 100644
--- a/yana/Features/MainFeature.swift
+++ b/yana/Features/MainFeature.swift
@@ -16,6 +16,8 @@ struct MainFeature: Reducer {
         var navigationPath: [Destination] = []
         var settingState: SettingFeature.State? = nil
         var appSettingState: AppSettingFeature.State? = nil
+        // 新增：登出标志
+        var isLoggedOut: Bool = false
     }
     
     // 新增：导航目标
@@ -39,6 +41,8 @@ struct MainFeature: Reducer {
         case testButtonTapped
         case appSettingButtonTapped
         case appSettingAction(AppSettingFeature.Action)
+        // 新增：登出
+        case logout
     }
     
     var body: some ReducerOf<Self> {
@@ -101,8 +105,15 @@ struct MainFeature: Reducer {
                 state.appSettingState = AppSettingFeature.State()
                 state.navigationPath.append(.appSetting)
                 return .none
+            case .appSettingAction(.logoutTapped):
+                // 监听到登出，设置登出标志
+                state.isLoggedOut = true
+                return .none
             case .appSettingAction:
                 return .none
+            case .logout:
+                // 由上层（SplashView/SplashFeature）监听，切换到登录页
+                return .none
             }
         }
         // 设置页作用域
diff --git a/yana/Views/MainView.swift b/yana/Views/MainView.swift
index 737d6c3..169e770 100644
--- a/yana/Views/MainView.swift
+++ b/yana/Views/MainView.swift
@@ -3,7 +3,23 @@ import ComposableArchitecture
 
 struct MainView: View {
     let store: StoreOf<MainFeature>
-    
+    var onLogout: (() -> Void)? = nil
+
+    var body: some View {
+        WithViewStore(self.store, observe: { $0 }) { viewStore in
+            InternalMainView(store: store)
+                .onChange(of: viewStore.isLoggedOut) { isLoggedOut in
+                    if isLoggedOut {
+                        onLogout?()
+                    }
+                }
+        }
+    }
+}
+
+// 原 MainView 内容，重命名为 InternalMainView
+struct InternalMainView: View {
+    let store: StoreOf<MainFeature>
     var body: some View {
         WithViewStore(self.store, observe: { $0 }) { viewStore in
             NavigationStack(path: viewStore.binding(get: \.navigationPath, send: MainFeature.Action.navigationPathChanged)) {
diff --git a/yana/Views/SplashView.swift b/yana/Views/SplashView.swift
index 0579fb5..58a6652 100644
--- a/yana/Views/SplashView.swift
+++ b/yana/Views/SplashView.swift
@@ -30,6 +30,9 @@ struct SplashView: View {
                                 initialState: MainFeature.State()
                             ) {
                                 MainFeature()
+                            },
+                            onLogout: {
+                                store.send(.navigateToLogin)
                             }
                         )
                     }