fix(h5): getSystemInfo添加H5对iPadOS的判断

src/platforms/h5/service/api/device/get-system-info.js

@@ -23,6 +23,10 @@ const isMac = /Macintosh|Mac/i.test(ua)
  * 是否是Linux设备
  */
 const isLinux = /Linux|X11/i.test(ua)
+/**
+ * 是否是iPadOS
+ */
+const isIPadOS = isMac && navigator.maxTouchPoints > 0
 /**
  * 获取系统信息-同步
  */
@@ -81,6 +85,10 @@ export function getSystemInfoSync () {
         break
       }
     }
+  } else if (isIPadOS) {
+    model = 'iPad'
+    osname = 'iPadOS'
+    osversion = window.BigInt ? '14' : '13'
   } else if (isWindows || isMac || isLinux) {
     model = 'PC'
     const osversionFind = ua.match(/\((.+?)\)/)[1]