diff --git a/src/store/slices/deviceSlice.js b/src/store/slices/deviceSlice.js
index f92406da..72ee9403 100644
--- a/src/store/slices/deviceSlice.js
+++ b/src/store/slices/deviceSlice.js
@@ -2,27 +2,81 @@
 import { createSlice } from '@reduxjs/toolkit';
 
 /**
- * 检测当前设备是否为移动设备
- *
- * 判断逻辑：
- * 1. User Agent 检测（移动设备标识）
- * 2. 屏幕宽度检测（<= 768px）
- * 3. 触摸屏检测（支持触摸事件）
- *
- * @returns {boolean} true 表示移动设备，false 表示桌面设备
+ * 设备类型枚举
  */
-const detectIsMobile = () => {
-  const userAgent = navigator.userAgent || navigator.vendor || window.opera;
-  const mobileRegex = /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i;
-  const isMobileUA = mobileRegex.test(userAgent);
-  const isMobileWidth = window.innerWidth <= 768;
-  const hasTouchScreen = 'ontouchstart' in window || navigator.maxTouchPoints > 0;
-
-  return isMobileUA || (isMobileWidth && hasTouchScreen);
+export const DeviceType = {
+  MOBILE: 'mobile',
+  TABLET: 'tablet',
+  DESKTOP: 'desktop',
 };
 
+/**
+ * 检测设备类型
+ *
+ * 判断逻辑：
+ * - Mobile: 手机设备（iPhone、Android 手机等，宽度 <= 768px）
+ * - Tablet: 平板设备（iPad、Android 平板等，宽度 769px - 1024px）
+ * - Desktop: 桌面设备（PC、Mac 等，宽度 > 1024px）
+ *
+ * @returns {{ isMobile: boolean, isTablet: boolean, isDesktop: boolean, deviceType: string }}
+ */
+const detectDeviceType = () => {
+  const userAgent = navigator.userAgent || navigator.vendor || window.opera;
+  const screenWidth = window.innerWidth;
+
+  // iPad 检测（包括 iPadOS 13+ 的 Safari，其 UA 不再包含 iPad）
+  const isIPad =
+    /iPad/i.test(userAgent) ||
+    (navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1);
+
+  // Android 平板检测（Android 设备但 UA 不包含 Mobile）
+  const isAndroidTablet = /Android/i.test(userAgent) && !/Mobile/i.test(userAgent);
+
+  // 手机 UA 检测（排除平板）
+  const mobileRegex = /iPhone|iPod|BlackBerry|IEMobile|Opera Mini/i;
+  const isAndroidPhone = /Android/i.test(userAgent) && /Mobile/i.test(userAgent);
+  const isMobileUA = mobileRegex.test(userAgent) || isAndroidPhone;
+
+  // 触摸屏检测
+  const hasTouchScreen = 'ontouchstart' in window || navigator.maxTouchPoints > 0;
+
+  // 综合判断设备类型
+  let isMobile = false;
+  let isTablet = false;
+  let isDesktop = false;
+
+  if (isIPad || isAndroidTablet) {
+    // UA 明确是平板
+    isTablet = true;
+  } else if (isMobileUA) {
+    // UA 明确是手机
+    isMobile = true;
+  } else if (screenWidth <= 768 && hasTouchScreen) {
+    // 小屏幕 + 触摸屏 = 手机
+    isMobile = true;
+  } else if (screenWidth > 768 && screenWidth <= 1024 && hasTouchScreen) {
+    // 中等屏幕 + 触摸屏 = 平板
+    isTablet = true;
+  } else {
+    // 其他情况为桌面设备
+    isDesktop = true;
+  }
+
+  // 确定设备类型字符串
+  let deviceType = DeviceType.DESKTOP;
+  if (isMobile) deviceType = DeviceType.MOBILE;
+  else if (isTablet) deviceType = DeviceType.TABLET;
+
+  return { isMobile, isTablet, isDesktop, deviceType };
+};
+
+const initialDeviceState = detectDeviceType();
+
 const initialState = {
-  isMobile: detectIsMobile(),
+  isMobile: initialDeviceState.isMobile,
+  isTablet: initialDeviceState.isTablet,
+  isDesktop: initialDeviceState.isDesktop,
+  deviceType: initialDeviceState.deviceType,
 };
 
 const deviceSlice = createSlice({
@@ -37,7 +91,11 @@ const deviceSlice = createSlice({
      * - 屏幕方向变化时调用（orientationchange）
      */
     updateScreenSize: (state) => {
-      state.isMobile = detectIsMobile();
+      const { isMobile, isTablet, isDesktop, deviceType } = detectDeviceType();
+      state.isMobile = isMobile;
+      state.isTablet = isTablet;
+      state.isDesktop = isDesktop;
+      state.deviceType = deviceType;
     },
   },
 });
@@ -47,6 +105,9 @@ export const { updateScreenSize } = deviceSlice.actions;
 
 // Selectors
 export const selectIsMobile = (state) => state.device.isMobile;
+export const selectIsTablet = (state) => state.device.isTablet;
+export const selectIsDesktop = (state) => state.device.isDesktop;
+export const selectDeviceType = (state) => state.device.deviceType;
 
 // Reducer
 export default deviceSlice.reducer;