this.server.onDisconnect((res) => {
            console.log('onDisconnect', res);
            this.isDisconnect = true;
            res.type !== "game" && wx.showToast({
                title: "游戏已掉线...",
                icon: "none",
                duration: 2e3
            });
            res.type === "game" && function(that) {
                function relink() {
                    that.server.reconnect().then(function(res) {
                        console.log("networkType change or onShow -> reconnect", res);
                        ++that.reconnectSuccess;
                    }).catch(relink);
                }
                relink();
            }(this);
        });