if (dbo == null) {
commons.coll("systemconfig").insert(new BasicDBObject("api_version", Ngqa.apiVersion()));
dbo = commons.coll("systemconfig").findOne();
}
if (Strings.isBlank((String)dbo.get("root_password"))) {
commons.coll("systemconfig").findAndModify(new BasicDBObject(), null, null, false, new BasicDBObject("$set", new BasicDBObject("root_password", R.sg(64).next())), true, true);
}
//载入js脚本
MongoJsManager.load(dao.getDB(), "mongo_js");