未登录跳转，活动结束在次请求

pages/activity_detail/activity_detail.js

@@ -258,6 +258,7 @@ Page({
         wx.showToast({
           title: '活动已结束',
         });
+        this.getActivityDetail();
         this.setData({
           countDownDay: '00',
           countDownHour: '00',
@@ -283,6 +284,12 @@ Page({
 
 //点击团按钮操作
   groupTap: function (e) {
+    if (wx.getStorageSync('sessionId') == '') {
+      wx.navigateTo({
+        url: '../login/login'
+      })
+      return;
+    }
     let that = this;
     var url = "";
     if (that.data.groupNo == ""){