华为P50，读取短信，中文变成了英文或越南文

获取短信代码;
async getMessage() {
//不同机型可能获取不全
//查看权限是否已允许
var Context = plus.android.runtimeMainActivity();
var res = plus.android.invoke("android.support.v4.app.ActivityCompat", "checkSelfPermission", Context, "android.permission.READ_SMS");
var PERMISSIONS_STORAGE = new Array();
PERMISSIONS_STORAGE.push("android.permission.READ_SMS");
if (res != "0")
{
plus.android.invoke("android.support.v4.app.ActivityCompat", "requestPermissions", Context, PERMISSIONS_STORAGE, 1);
} else {

            }  
            var main = plus.android.runtimeMainActivity();  
            var Uri = plus.android.importClass("android.net.Uri");  
            var ContactsContract = plus.android.importClass('android.provider.ContactsContract');  
            var uri = Uri.parse("content://sms/");  
            var cr = main.getContentResolver();  
            plus.android.importClass(cr);  
            var cur = cr.query(uri, null, null, null, null);  
            plus.android.importClass(cur);  
            cur.moveToFirst();  
            var smslist = [];  
            //console.log(cur);  
            while (cur.moveToNext())   
            {  
                var index_Address = cur.getColumnIndex("address");  
                var address = cur.getString(index_Address);  
                //短信内容  
                var index_Body = cur.getColumnIndex("body");  
                var body = cur.getString(index_Body);  
                //类型1接收 2发送  
                var index_Type = cur.getColumnIndex("type");  
                var type = cur.getString(index_Type);  
                smslist.push({  
                    address:address,  
                    body:body,  
                    type:type  
                })  

            }  
            this.smslist=JSON.stringify(smslist)  
        //  console.log(JSON.stringify(smslist));  
        },