【报Bug】更新8.1后，沉浸式状态栏无效

详细问题描述
[内容]
更新8.1后，沉浸式状态栏无效
重现步骤
[步骤]代码无修改，直接更新HBuilder至8.1，更新完成后打包安卓及IOS应用安装。
发布APP后，安装至真机，IOS及android打印plus.navigator.isImmersedStatusbar()状态均为false
[结果]沉浸式状态栏无效。
[期望]

运行环境
[系统版本]IOS 8 android5.1
[浏览器版本]
[IDE版本]8.1
[mui版本]

附件
[代码片段]
[安装包]

联系方式
[QQ]524882178
[电话]

HBuidler版本 8.1.0.201704101430

"apple": {  
                "appid": "",/*iOS应用标识，苹果开发网站申请的appid，如io.dcloud.HelloH5*/  
                "mobileprovision": "",/*iOS应用打包配置文件*/  
                "password": "",/*iOS应用打包个人证书导入密码*/  
                "p12": "",/*iOS应用打包个人证书，打包配置文件关联的个人证书*/  
                "devices": "universal",/*iOS应用支持的设备类型，可取值iphone/ipad/universal*/  
                "UIReserveStatusbarOffset": false,/*jxx沉浸式状态栏*/  
                "frameworks": []  
            },  
            "google": {  
                "packagename": "",/*Android应用包名，如io.dcloud.HelloH5*/  
                "keystore": "",/*Android应用打包使用的密钥库文件*/  
                "password": "",/*Android应用打包使用密钥库中证书的密码*/  
                "aliasname": "",/*Android应用打包使用密钥库中证书的别名*/  
                "ImmersedStatusbar":true,/*jxx沉浸式状态栏*/  
                "permissions": ["<uses-permission android:name=\"android.permission.CHANGE_NETWORK_STATE\"/>","<uses-permission android:name=\"android.permission.MOUNT_UNMOUNT_FILESYSTEMS\"/>","<uses-permission android:name=\"android.permission.READ_CONTACTS\"/>","<uses-permission android:name=\"android.permission.VIBRATE\"/>","<uses-permission android:name=\"android.permission.READ_LOGS\"/>","<uses-permission android:name=\"android.permission.ACCESS_WIFI_STATE\"/>","<uses-feature android:name=\"android.hardware.camera.autofocus\"/>","<uses-permission android:name=\"android.permission.WRITE_CONTACTS\"/>","<uses-permission android:name=\"android.permission.ACCESS_NETWORK_STATE\"/>","<uses-permission android:name=\"com.android.launcher.permission.UNINSTALL_SHORTCUT\"/>","<uses-permission android:name=\"android.permission.CAMERA\"/>","<uses-permission android:name=\"android.permission.GET_ACCOUNTS\"/>","<uses-permission android:name=\"android.permission.RECORD_AUDIO\"/>","<uses-permission android:name=\"android.permission.MODIFY_AUDIO_SETTINGS\"/>","<uses-permission android:name=\"com.android.launcher.permission.INSTALL_SHORTCUT\"/>","<uses-permission android:name=\"android.permission.READ_PHONE_STATE\"/>","<uses-permission android:name=\"android.permission.CHANGE_WIFI_STATE\"/>","<uses-permission android:name=\"android.permission.WAKE_LOCK\"/>","<uses-permission android:name=\"android.permission.FLASHLIGHT\"/>","<uses-permission android:name=\"android.permission.CALL_PHONE\"/>","<uses-permission android:name=\"android.permission.ACCESS_COARSE_LOCATION\"/>","<uses-feature android:name=\"android.hardware.camera\"/>","<uses-permission android:name=\"android.permission.ACCESS_FINE_LOCATION\"/>","<uses-permission android:name=\"android.permission.WRITE_SETTINGS\"/>"]  
            },