perf: DEFECT-931 different platform set different default option

@@ -4230,17 +4230,19 @@ App.prototype.loadFile = function (id, sameWindow, file, success, force) {
 				// }
 			})
 	}
+	var pageFormat = this.editor.graph.pageFormat
 
 	// 调用API,获取保存的内容
 	function getSaveContent() {
 		defHttp.get('/yt/configuration/center/get_configuration_info/' + Editor.configurationId)
 			.then(function (response) {
 				getUserPermission()
-
 				const { platform } = response || {}
 				const pageSizeControl = PageSetupDialog.getFormats
 				PageSetupDialog.getFormats = function () {
 					if (platform === 'phone') {
+						pageFormat.width = 415
+						pageFormat.height = 737
 						return [
 							{ key: 'iPhone 8', title: 'iPhone 8', format: new mxRectangle(0, 0, 375, 667) },
 							{ key: 'iPhone 8 Plus', title: 'iPhone 8 Plus', format: new mxRectangle(0, 0, 415, 737) },