after each call to conn.open, the listening function of onOpened will be entered, and then the onError, error type:8 will be entered

// webim.config.js
const data = {
        password: "5",
        username: "mushroom"
}var conn = {}
conn = new WebIM.connection({
        isMultiLoginSessions: WebIM.config.isMultiLoginSessions,
        https: typeof WebIM.config.https === "boolean" ? WebIM.config.https : location.protocol === "https:",
        url: WebIM.config.xmppURL,
        isAutoLogin: true,
        heartBeatWait: WebIM.config.heartBeatWait,
        autoReconnectNumMax: WebIM.config.autoReconnectNumMax,
        autoReconnectInterval: WebIM.config.autoReconnectInterval,
        apiUrl: WebIM.config.apiURL
 }); 
 
conn.listen({
        onOpened: function(message) { //
            console.log(message)
        },
        onClosed: function(message) { console.log(message) }, //
        onError: function(message) { console.log(message) }, //
};
var options = {
            apiUrl: WebIM.config.apiURL,
            user: data.username,
            pwd: data.password,
            appKey: WebIM.config.appkey,
};
conn.open(options);

network

the official document describes type:8 as "multiple login and being kicked off", but the account I logged in is newly added in the Huanxin backend, and I have tried to register and log in directly, but it doesn"t work.