diff --git a/web/tenant/src/views/Layout.vue b/web/tenant/src/views/Layout.vue
index 88a0827..0db9aa4 100644
--- a/web/tenant/src/views/Layout.vue
+++ b/web/tenant/src/views/Layout.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { ref, computed, onMounted, onBeforeUnmount } from 'vue'
+import { ref, computed, onMounted, onBeforeUnmount, provide, watch } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
 import { useTenantAuthStore } from '@/stores/tenant-auth'
 import { useNotificationCount } from '@/composables/useNotificationCount'
@@ -85,6 +85,42 @@ const pageTitle = computed(() => {
 		return (leaf?.meta?.title as string) || navItems.value.find((i) => isActive(i.path))?.label || '仪表盘'
 	})
 
+// 返回按钮注册机制（使用 provide/inject）
+const backButtonConfig = ref<{
+	show: boolean
+	title: string
+	handler: () => void
+} | null>(null)
+
+// 提供给子页面的注册方法
+function registerBackButton(config: { title: string; handler: () => void }) {
+	backButtonConfig.value = {
+		show: true,
+		title: config.title,
+		handler: config.handler,
+	}
+}
+
+// 提供给子页面的取消注册方法
+function unregisterBackButton() {
+	backButtonConfig.value = null
+}
+
+// 通过 provide 暴露给子组件
+provide('registerBackButton', registerBackButton)
+provide('unregisterBackButton', unregisterBackButton)
+
+// 监听路由变化，清空返回按钮配置
+watch(() => route.path, () => {
+	backButtonConfig.value = null
+})
+
+const showBackButton = computed(() => backButtonConfig.value?.show ?? false)
+const backButtonTitle = computed(() => backButtonConfig.value?.title ?? '返回')
+function handleBack() {
+	backButtonConfig.value?.handler()
+}
+
 function isActive(path: string): boolean {
 	return activePath.value === path || activePath.value.startsWith(path + '/')
 }
@@ -329,13 +365,33 @@ onBeforeUnmount(() => {
 				<div class="glass flex h-16 items-center justify-between rounded-2xl border border-white/70 px-3 shadow-glass-sm md:px-5">
 					<!-- Left: Mobile Menu + Title -->
 					<div class="flex min-w-0 items-center gap-3">
+						<!-- Mobile: 返回按钮或菜单按钮 -->
 						<button
+							v-if="showBackButton"
+							@click="handleBack"
+							class="btn-ghost btn-icon lg:hidden"
+							:title="backButtonTitle"
+						>
+							<Icon name="chevronLeft" size="md" />
+						</button>
+						<button
+							v-else
 							@click="toggleMobile"
 							class="btn-ghost btn-icon lg:hidden"
 						>
 							<Icon name="menu" size="md" />
 						</button>
-						<div class="hidden min-w-0 lg:block">
+
+						<!-- Desktop: 返回按钮 + 标题 -->
+						<div class="hidden min-w-0 lg:flex lg:items-center lg:gap-2">
+							<button
+								v-if="showBackButton"
+								@click="handleBack"
+								class="btn-ghost btn-icon flex-shrink-0 text-gray-500 hover:text-gray-700"
+								:title="backButtonTitle"
+							>
+								<Icon name="chevronLeft" size="md" />
+							</button>
 							<h1 class="truncate text-base font-semibold text-slate-800">{{ pageTitle }}</h1>
 						</div>
 					</div>
diff --git a/web/tenant/src/views/team/MemberDetailPage.vue b/web/tenant/src/views/team/MemberDetailPage.vue
index 736f8f2..51bf773 100644
--- a/web/tenant/src/views/team/MemberDetailPage.vue
+++ b/web/tenant/src/views/team/MemberDetailPage.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { formatNumber } from '@/utils/renderUtils'
-import { ref, computed, onMounted } from 'vue'
+import { ref, computed, onMounted, inject, onBeforeUnmount } from 'vue'
 import { NInput, NCheckbox } from 'naive-ui'
 import { useRouter, useRoute } from 'vue-router'
 import { useTenantAuthStore } from '@/stores/tenant-auth'
@@ -17,6 +17,10 @@ const route = useRoute()
 const authStore = useTenantAuthStore()
 const teamEnabled = computed(() => !!authStore.tenant?.team_enabled)
 
+// 注入返回按钮注册方法
+const registerBackButton = inject<(config: { title: string; handler: () => void }) => void>('registerBackButton')
+const unregisterBackButton = inject<() => void>('unregisterBackButton')
+
 const memberId = computed(() => Number(route.params.id))
 
 interface MemberInfo {
@@ -412,11 +416,15 @@ async function handleSaveModels() {
 	}
 }
 
-function goBack() {
-	router.push('/tenant/members')
-}
-
 onMounted(() => {
+	// 注册返回按钮
+	if (registerBackButton) {
+		registerBackButton({
+			title: '返回成员列表',
+			handler: () => router.push('/tenant/members'),
+		})
+	}
+
 	fetchMemberDetail()
 	fetchUsage()
 	fetchApiKeyCount()
@@ -424,20 +432,18 @@ onMounted(() => {
 	fetchAllModels()
 	fetchMemberModels()
 })
+
+onBeforeUnmount(() => {
+	// 取消注册返回按钮
+	if (unregisterBackButton) {
+		unregisterBackButton()
+	}
+})
 </script>
 
 <template>
 	<TeamLockedBanner v-if="!teamEnabled" />
 	<div v-else class="space-y-8">
-		<!-- Back navigation -->
-		<button
-			@click="goBack"
-			class="btn btn-ghost btn-sm text-gray-500 hover:text-gray-700 -ml-2"
-		>
-			<Icon name="chevronLeft" size="sm" />
-			返回成员列表
-		</button>
-
 		<!-- Loading state -->
 		<div v-if="loading" class="flex justify-center py-12">
 			<div class="spinner h-8 w-8 border-primary-500"></div>
diff --git a/web/tenant/src/views/team/ProjectDetailPage.vue b/web/tenant/src/views/team/ProjectDetailPage.vue
index 1270693..4d08c24 100644
--- a/web/tenant/src/views/team/ProjectDetailPage.vue
+++ b/web/tenant/src/views/team/ProjectDetailPage.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { ref, reactive, computed, onMounted, h } from 'vue'
+import { ref, reactive, computed, onMounted, onBeforeUnmount, inject, h } from 'vue'
 import type { DataTableColumns } from 'naive-ui'
 import { NButton, NDropdown, NTag } from 'naive-ui'
 import { renderBadge, formatDate, formatTokens, formatMs, tableScrollX } from '@/utils/renderUtils'
@@ -20,6 +20,10 @@ const route = useRoute()
 const router = useRouter()
 const projectId = computed(() => Number(route.params.id))
 
+// 注入返回按钮注册方法
+const registerBackButton = inject<(config: { title: string; handler: () => void }) => void>('registerBackButton')
+const unregisterBackButton = inject<() => void>('unregisterBackButton')
+
 // Project info
 interface Project {
 	id: number
@@ -116,9 +120,24 @@ async function openScopeModal(keyId: number, keyName: string) {
 }
 
 onMounted(() => {
+	// 注册返回按钮
+	if (registerBackButton) {
+		registerBackButton({
+			title: '返回项目列表',
+			handler: () => router.push('/tenant/projects'),
+		})
+	}
+
 	fetchProject()
 })
 
+onBeforeUnmount(() => {
+	// 取消注册返回按钮
+	if (unregisterBackButton) {
+		unregisterBackButton()
+	}
+})
+
 // Usage stats
 const usageStats = ref<any>(null)
 const usageLoading = ref(false)