根据ua处理下载按钮

src/pages/Home/components/DownloadButton.vue

@@ -72,16 +72,33 @@ const currentPlatform = ref('win')
 
 onMounted(() => {
   const ua = navigator.userAgent;
-  if (/Macintosh|Mac OS X/i.test(ua)) {
-    currentPlatform.value = 'mac'
-  } else if (/iPhone|iPad|iPod/i.test(ua)) {
-    currentPlatform.value = 'ios'
-  } else if (/Android/i.test(ua)) {
-    currentPlatform.value = 'android'
-  } else {
-    currentPlatform.value = 'win'
+  const platform = navigator.platform || ''; // 辅助判断
+
+  // 1. 先判断 Android (通常比较稳定)
+  if (/Android/i.test(ua)) {
+    currentPlatform.value = 'android';
   }
-})
+  // 2. 判断 iOS 设备 (iPhone, iPod)
+  else if (/iPhone|iPod/i.test(ua)) {
+    currentPlatform.value = 'ios';
+  }
+  // 3. 核心改进：区分 Mac 和 iPad
+  else if (/Macintosh|Mac OS X/i.test(ua)) {
+    // iPadOS 桌面模式下，支持多点触控（通常 > 1）
+    // 而真正的 Mac 电脑通常 maxTouchPoints 为 0 或 undefined
+    if (navigator.maxTouchPoints > 1) {
+      currentPlatform.value = 'ios'; // 归类为 iOS 端（iPad）
+    } else {
+      currentPlatform.value = 'mac';
+    }
+  }
+  // 4. 其他情况默认为 Windows
+  else {
+    currentPlatform.value = 'win';
+  }
+
+  console.log('Detected Platform:', currentPlatform.value);
+});
 
 request.get('/api/v1/common/client/download', {
   invite_code: getAllQueryString('ic'),