在小米11Ultra做真机测试时，showModal弹窗的标题和内容显示空白，模拟器和苹果手机都显示正常，请问是什么原因？

 * 设置手机通知权限  
     */  
    function setPermissions() {  
        // #ifdef APP-PLUS    
        if (plus.os.name == 'Android') { // 判断是Android  
            var main = plus.android.runtimeMainActivity();  
            var pkName = main.getPackageName();  
            var uid = main.getApplicationInfo().plusGetAttribute("uid");  
            var NotificationManagerCompat = plus.android.importClass("android.support.v4.app.NotificationManagerCompat");  
            //android.support.v4升级为androidx  
            if (NotificationManagerCompat == null) {  
                NotificationManagerCompat = plus.android.importClass("androidx.core.app.NotificationManagerCompat");  
            }  
            var areNotificationsEnabled = NotificationManagerCompat.from(main).areNotificationsEnabled();  
            // 未开通‘允许通知’权限，则弹窗提醒开通，并点击确认后，跳转到系统设置页面进行设置    
            if (!areNotificationsEnabled) {  
                uni.showModal({  
                    title: '通知权限开启提醒',  
                    content: '您还没有开启通知权限，无法接受到消息通知，请前往设置！',  
                    showCancel: false,  
                    confirmText: '去设置',  
                    success: function(res) {  
                        if (res.confirm) {  
                            var Intent = plus.android.importClass('android.content.Intent');  
                            var Build = plus.android.importClass("android.os.Build");  
                            //android 8.0引导    
                            if (Build.VERSION.SDK_INT >= 26) {  
                                var intent = new Intent('android.settings.APP_NOTIFICATION_SETTINGS');  
                                intent.putExtra('android.provider.extra.APP_PACKAGE', pkName);  
                            } else if (Build.VERSION.SDK_INT >= 21) { //android 5.0-7.0    
                                var intent = new Intent('android.settings.APP_NOTIFICATION_SETTINGS');  
                                intent.putExtra("app_package", pkName);  
                                intent.putExtra("app_uid", uid);  
                            } else { //(<21)其他--跳转到该应用管理的详情页    
                                intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);  
                                var uri = Uri.fromParts("package", mainActivity.getPackageName(), null);  
                                intent.setData(uri);  
                            }  
                            // 跳转到该应用的系统通知设置页    
                            main.startActivity(intent);  
                        }  
                    }  
                });  
            }  
        } else if (plus.os.name == 'iOS') { // 判断是ISO  
            var isOn = undefined;  
            var types = 0;  
            var app = plus.ios.invoke('UIApplication', 'sharedApplication');  
            var settings = plus.ios.invoke(app, 'currentUserNotificationSettings');  
            if (settings) {  
                types = settings.plusGetAttribute('types');  
                plus.ios.deleteObject(settings);  
            } else {  
                types = plus.ios.invoke(app, 'enabledRemoteNotificationTypes');  
            }  
            plus.ios.deleteObject(app);  
            isOn = (0 != types);  
            if (isOn == false) {  
                uni.showModal({  
                    title: '通知权限开启提醒',  
                    content: '您还没有开启通知权限，无法接受到消息通知，请前往设置！',  
                    showCancel: false,  
                    confirmText: '去设置',  
                    success: function(res) {  
                        if (res.confirm) {  
                            var app = plus.ios.invoke('UIApplication', 'sharedApplication');  
                            var setting = plus.ios.invoke('NSURL', 'URLWithString:', 'app-settings:');  
                            plus.ios.invoke(app, 'openURL:', setting);  
                            plus.ios.deleteObject(setting);  
                            plus.ios.deleteObject(app);  
                        }  
                    }  
                });  
            }  
        }  
        // #endif    
    }