fix: H5 修复 PC 端获取屏幕宽高错误的问题

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

@@ -18,8 +18,8 @@ export function getSystemInfoSync () {
   var pixelRatio = window.devicePixelRatio
   // 横屏时 iOS 获取的屏幕宽高颠倒，进行纠正
   var landscape = Math.abs(window.orientation) === 90
-  var screenWidth = Math[landscape ? 'max' : 'min'](screen.width, screen.height)
-  var screenHeight = Math[landscape ? 'min' : 'max'](screen.height, screen.width)
+  var screenWidth = typeof window.orientation === 'number' ? Math[landscape ? 'max' : 'min'](screen.width, screen.height) : screen.width
+  var screenHeight = typeof window.orientation === 'number' ? Math[landscape ? 'min' : 'max'](screen.height, screen.width) : screen.height
   var windowWidth = Math.min(window.innerWidth, document.documentElement.clientWidth, screenWidth)
   var windowHeight = window.innerHeight
   var language = navigator.language