Can not open my file

[chenhua1008611]

    Just open recently file ,It's my code :

val intent = Intent(Intent.ACTION_GET_CONTENT)
intent.addCategory(Intent.CATEGORY_DEFAULT)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {

        val contentUri = FileProvider.getUriForFile(this@TalentReportActivity, "com.gkzy.im.fileprovider", file)
        intent.setData(contentUri)
        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
        intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION)
        intent.putExtra(MediaStore.EXTRA_OUTPUT, contentUri)
        startActivity(intent)
		}else{
		intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
        intent.setDataAndType(Uri.fromFile(file),"*/*")
        startActivity(intent)
		}

How can I resove this problem?