diff --git a/miniprogram/app.ts b/miniprogram/app.ts
index 4fbb5a2..d284db8 100644
--- a/miniprogram/app.ts
+++ b/miniprogram/app.ts
@@ -1,4 +1,6 @@
 // app.ts
+import { getPlatformInfo } from './utils/platform'
+
 App<IAppOption>({
   globalData: {
     navBarHeight: 0, // 导航栏总高度
@@ -10,19 +12,43 @@ App<IAppOption>({
     tabbarHeight: 0, // 底部导航栏高度
     safeAreaBottom: 0, // 底部安全区域坐标
     safeAreaInsetBottom: 0, // 中间区域内容的底边坐标
-    system: '', // 系统信息
+    platformInfo: {
+      hardware: {
+        deviceClass: 'unknown',
+        brand: '',
+        model: '',
+        abi: '',
+        deviceAbi: '',
+        cpuType: '',
+        memorySize: '',
+      },
+      software: {
+        clientPlatform: 'unknown',
+        rawClientPlatform: '',
+        operatingSystem: 'unknown',
+        system: '',
+        wechatVersion: '',
+        baseLibraryVersion: '',
+        hostAppId: '',
+      },
+      isMobile: false,
+      isDesktop: false,
+      isDevtools: false,
+    },
     token: '',
   },
   onLaunch() {
-    // 1. 获取胶囊按钮位置信息
+    // 获取小程序宿主环境信息
+    const platformInfo = getPlatformInfo()
+    this.globalData.platformInfo = platformInfo
+
+    // 获取胶囊按钮位置信息
     const menuButtonInfo = wx.getMenuButtonBoundingClientRect()
 
-    // 2. 获取系统窗口信息
+    // 获取系统窗口信息
     const windowInfo = wx.getWindowInfo()
-    const deviceInfo = wx.getDeviceInfo()
 
     // 赋值基础信息
-    this.globalData.system = deviceInfo.system
     this.globalData.menuRight = windowInfo.screenWidth - menuButtonInfo.right
     this.globalData.menuTop = menuButtonInfo.top
     this.globalData.menuHeight = menuButtonInfo.height
diff --git a/miniprogram/utils/platform.ts b/miniprogram/utils/platform.ts
new file mode 100644
index 0000000..2e0b648
--- /dev/null
+++ b/miniprogram/utils/platform.ts
@@ -0,0 +1,81 @@
+const MOBILE_CLIENT_PLATFORMS: ClientPlatformType[] = ['ios', 'android', 'ohos']
+const DESKTOP_CLIENT_PLATFORMS: ClientPlatformType[] = ['windows', 'mac', 'ohos_pc']
+
+function normalizeClientPlatform(platform: string): ClientPlatformType {
+  switch (platform.toLowerCase()) {
+    case 'ios':
+    case 'android':
+    case 'ohos':
+    case 'ohos_pc':
+    case 'windows':
+    case 'mac':
+    case 'devtools':
+      return platform.toLowerCase() as ClientPlatformType
+    default:
+      return 'unknown'
+  }
+}
+
+function resolveOperatingSystem(platform: ClientPlatformType): OperatingSystemType {
+  switch (platform) {
+    case 'ios':
+      return 'ios'
+    case 'android':
+      return 'android'
+    case 'ohos':
+    case 'ohos_pc':
+      return 'harmonyos'
+    case 'windows':
+      return 'windows'
+    case 'mac':
+      return 'macos'
+    case 'devtools':
+      return 'devtools'
+    default:
+      return 'unknown'
+  }
+}
+
+function resolveDeviceClass(platform: ClientPlatformType): HardwareDeviceClassType {
+  if (MOBILE_CLIENT_PLATFORMS.includes(platform)) {
+    return 'mobile'
+  }
+
+  if (DESKTOP_CLIENT_PLATFORMS.includes(platform)) {
+    return 'desktop'
+  }
+
+  return platform === 'devtools' ? 'devtools' : 'unknown'
+}
+
+export function getPlatformInfo(): PlatformInfoType {
+  const deviceInfo = wx.getDeviceInfo()
+  const appBaseInfo = wx.getAppBaseInfo()
+  const rawClientPlatform = deviceInfo.platform || ''
+  const clientPlatform = normalizeClientPlatform(rawClientPlatform)
+  const deviceClass = resolveDeviceClass(clientPlatform)
+
+  return {
+    hardware: {
+      deviceClass,
+      brand: deviceInfo.brand || '',
+      model: deviceInfo.model || '',
+      abi: deviceInfo.abi || '',
+      deviceAbi: deviceInfo.deviceAbi || '',
+      cpuType: deviceInfo.cpuType || '',
+      memorySize: deviceInfo.memorySize || '',
+    },
+    software: {
+      clientPlatform,
+      rawClientPlatform,
+      operatingSystem: resolveOperatingSystem(clientPlatform),
+      system: deviceInfo.system || '',
+      wechatVersion: appBaseInfo.version || '',
+      baseLibraryVersion: appBaseInfo.SDKVersion || '',
+      hostAppId: appBaseInfo.host?.appId || '',
+    },
+    isMobile: deviceClass === 'mobile',
+    isDesktop: deviceClass === 'desktop',
+    isDevtools: deviceClass === 'devtools',
+  }
+}
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 1e43cfc..42105c4 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -1,6 +1,43 @@
 /// <reference path="./types/index.d.ts" />
 /// <reference path="./npm.d.ts" />
 
+/** 微信小程序当前运行的客户端平台，对应 wx.getDeviceInfo().platform */
+type ClientPlatformType = 'ios' | 'android' | 'ohos' | 'ohos_pc' | 'windows' | 'mac' | 'devtools' | 'unknown'
+
+/** 根据客户端平台归一化后的操作系统类型 */
+type OperatingSystemType = 'ios' | 'android' | 'harmonyos' | 'windows' | 'macos' | 'devtools' | 'unknown'
+
+/** 根据客户端平台归类的硬件设备类别 */
+type HardwareDeviceClassType = 'mobile' | 'desktop' | 'devtools' | 'unknown'
+
+interface HardwarePlatformInfoType {
+  deviceClass: HardwareDeviceClassType
+  brand: string
+  model: string
+  abi: string
+  deviceAbi: string
+  cpuType: string
+  memorySize: string
+}
+
+interface SoftwarePlatformInfoType {
+  clientPlatform: ClientPlatformType
+  rawClientPlatform: string
+  operatingSystem: OperatingSystemType
+  system: string
+  wechatVersion: string
+  baseLibraryVersion: string
+  hostAppId: string
+}
+
+interface PlatformInfoType {
+  hardware: HardwarePlatformInfoType
+  software: SoftwarePlatformInfoType
+  isMobile: boolean
+  isDesktop: boolean
+  isDevtools: boolean
+}
+
 interface IAppOption {
   globalData: {
     navBarHeight: number,
@@ -12,7 +49,7 @@ interface IAppOption {
     tabbarHeight: number,
     safeAreaBottom: number,
     safeAreaInsetBottom: number
-    system: string,
+    platformInfo: PlatformInfoType
     token: string
     userInfo?: WechatMiniprogram.UserInfo
   }