feature: 处理点击设备展示登录的问题

pages/index/index.js

@@ -644,7 +644,7 @@ Page({
   addDevice() {
     var that = this;
     var showLogin = that.data.showLogin;
-    if (!showLogin) {
+    if (showLogin) {
       wx.navigateTo({
         url: './../login/login'
       });