好吧，我让它与2种不同的QnA服务一起运行.我发现的唯一解决方案是调用REST服务，而不使用识别器.

Well, I got it running with 2 different QnA services. The only solution I found was to make a call to the REST service instead of using the recognizer.

以下是手动调用一项服务的代码:

Here is the code to make a manual call to one service:

var fetch = require('node-fetch');
require('dotenv-extended').load({
    path: '../.env'
});

var get_restQnA = function (question, callback){

    qnaurl=`https://westus.api.cognitive.microsoft.com/qnamaker/v2.0/knowledgebases/${process.env.KB_ID}/generateAnswer`;    
    fetch(qnaurl, {
        method: 'POST',
        headers: {
            "Content-Type": "application/json",
            "Ocp-Apim-Subscription-Key": process.env.QNA_KEY
        },
        body: JSON.stringify({
            "question": question,
            "top": 1
        })
    }).then(response => {
        return response.json();
    }).then(data => {
        console.log('Here is the data: ', data);
    }).catch(err => {console.log(err);});
}

module.exports.get_restQnA = get_restQnA;

由于您使用的是唯一的服务ID，因此只需以不同的方式调用LUIS即可调用每个服务.

Since you are using the unique service ID, you just have to call each service in the different intents you have for LUIS.