diff --git a/suixinkan/App/Navigation/AppTab.swift b/suixinkan/App/Navigation/AppTab.swift
index ba5a6df..1a64298 100644
--- a/suixinkan/App/Navigation/AppTab.swift
+++ b/suixinkan/App/Navigation/AppTab.swift
@@ -29,19 +29,6 @@ enum AppTab: String, CaseIterable, Identifiable, Hashable {
         }
     }
 
-    var systemImage: String {
-        switch self {
-        case .home:
-            "house"
-        case .orders:
-            "doc.text"
-        case .statistics:
-            "chart.bar"
-        case .profile:
-            "person"
-        }
-    }
-
     /// 当前 Tab 处于选中状态时使用的本地图片资源名。
     var selectedImageName: String {
         switch self {
@@ -83,9 +70,4 @@ enum AppTab: String, CaseIterable, Identifiable, Hashable {
             ProfileRootView()
         }
     }
-
-    @ViewBuilder
-    var label: some View {
-        Label(title, systemImage: systemImage)
-    }
 }
diff --git a/suixinkan/App/Navigation/NavigationRouter.swift b/suixinkan/App/Navigation/NavigationRouter.swift
index ca211a8..d761cdd 100644
--- a/suixinkan/App/Navigation/NavigationRouter.swift
+++ b/suixinkan/App/Navigation/NavigationRouter.swift
@@ -100,16 +100,6 @@ final class AppRouter: ObservableObject {
         return router
     }
 
-    /// 生成 SwiftUI NavigationStack 可使用的路径绑定。
-    func binding(for tab: AppTab) -> Binding<[AppRoute]> {
-        let router = router(for: tab)
-
-        return Binding(
-            get: { router.path },
-            set: { router.path = $0 }
-        )
-    }
-
     /// 切换到指定主 Tab。
     func select(_ tab: AppTab) {
         selectedTab = tab
diff --git a/suixinkan/Features/Main/Main.md b/suixinkan/Features/Main/Main.md
index 30d2281..f1073e1 100644
--- a/suixinkan/Features/Main/Main.md
+++ b/suixinkan/Features/Main/Main.md
@@ -28,8 +28,8 @@ Main 模块负责登录后的主界面 Tab 容器，以及当前尚未迁移页
 2. `TabView` 使用内部 `MainTabSelection` 作为选择值，普通 Tab 映射到 `AppTab`，扫码映射到 `.scanner`。
 3. 普通 Tab 切换时调用 `AppRouter.select(_:)` 更新当前业务 Tab。
 4. 每个普通 Tab 通过 `TabNavigationStackHost` 创建自己的 `NavigationStack(path:)`。
-5. 路径绑定来自 `appRouter.binding(for:)`。
-6. Tab 内页面需要进入尚未迁移的子页面时，通过当前 Tab 注入的 `RouterPath` push 一个 `AppRoute.placeholder`。
+5. 导航栈宿主直接观察当前 Tab 对应的 `RouterPath`，并把 `$router.path` 绑定给 `NavigationStack`。
+6. Tab 内页面需要进入子页面时，通过当前 Tab 注入的 `RouterPath` push 对应 `AppRoute`。
 7. `navigationDestination` 根据 `AppRoute` 展示详情页。
 8. 子页面展示时读取 `AppRoute.hidesTabBarWhenPushed`，默认隐藏底部 TabBar。
 
diff --git a/suixinkan/Features/Main/Views/MainTabsView.swift b/suixinkan/Features/Main/Views/MainTabsView.swift
index 1a7a4e3..f61347a 100644
--- a/suixinkan/Features/Main/Views/MainTabsView.swift
+++ b/suixinkan/Features/Main/Views/MainTabsView.swift
@@ -141,7 +141,17 @@ private struct TabNavigationStackHost: View {
     let tab: AppTab
 
     var body: some View {
-        NavigationStack(path: appRouter.binding(for: tab)) {
+        TabNavigationStackContent(tab: tab, router: appRouter.router(for: tab))
+    }
+}
+
+/// 直接观察单个 Tab 的路由路径，确保子页面修改 RouterPath 后导航栈能立即响应。
+private struct TabNavigationStackContent: View {
+    let tab: AppTab
+    @ObservedObject var router: RouterPath
+
+    var body: some View {
+        NavigationStack(path: $router.path) {
             tab.rootView
                 .navigationTitle(tab.title)
                 .navigationDestination(for: AppRoute.self) { route in
@@ -149,7 +159,7 @@ private struct TabNavigationStackHost: View {
                         .toolbar(route.hidesTabBarWhenPushed ? .hidden : .visible, for: .tabBar)
                 }
         }
-        .environmentObject(appRouter.router(for: tab))
+        .environmentObject(router)
     }
 }
 
diff --git a/suixinkanTests/NavigationRouterTests.swift b/suixinkanTests/NavigationRouterTests.swift
index f201841..305ef56 100644
--- a/suixinkanTests/NavigationRouterTests.swift
+++ b/suixinkanTests/NavigationRouterTests.swift
@@ -64,6 +64,16 @@ final class NavigationRouterTests: XCTestCase {
         XCTAssertNil(router.pendingOrderScanCode)
     }
 
+    /// 测试个人中心系统设置路由可压入“我的”Tab 导航栈。
+    func testProfileSettingsRouteCanBePushedIntoProfileTabPath() {
+        let appRouter = AppRouter()
+        let profileRouter = appRouter.router(for: .profile)
+
+        profileRouter.navigate(to: .profile(.settings))
+
+        XCTAssertEqual(profileRouter.path.last, .profile(.settings))
+    }
+
     /// 测试订单模块真实路由可被压入导航栈。
     func testOrderRoutesCanBePushedIntoRouterPath() throws {
         let router = RouterPath()